Atlantis Property Preservation

How a Damp Survey Can Prevent Costly Surprises After Completion

AtlantisDamp — Fri, 26 Jun 2026 15:09:17 +0000

Damp is one of the most common issues affecting homes across the UK, particularly in older properties. If left untreated, it can lead to structural damage, unhealthy living conditions, and expensive repairs.

Damp proofing is designed to prevent and control moisture within your property. Whether you’ve spotted early warning signs or want to protect your home long-term, understanding how it works is the first step towards keeping your property safe, dry, and structurally sound.

What Is Damp Proofing?

Damp proofing refers to a range of methods used to prevent moisture from entering a building’s walls, floors, and timber. It can be used both as a preventative measure in construction and as a treatment for existing damp problems.

The goal is simple – stop moisture from causing damage and create a healthier indoor environment. Depending on the issue, this may involve installing a damp proof course (DPC), improving ventilation, or carrying out targeted repairs.

What Causes Damp in UK Homes?

Understanding the cause of damp is essential before any treatment begins. In UK homes, damp is typically caused by one of three main issues:

Rising damp: Moisture from the ground travelling up through walls.
Penetrating damp: Water entering through external defects such as damaged brickwork or roofing.
Condensation: Moisture from everyday activities like cooking and showering building up indoors.

The UK’s climate, combined with older housing stock, makes properties particularly susceptible to these issues.

Types of Damp You Might Encounter

Rising Damp
Rising damp occurs when groundwater moves up through porous building materials. It is often linked to a failed or missing damp proof course. Common signs include tide marks on walls, peeling wallpaper, and white salt deposits.

Penetrating Damp
Penetrating damp happens when water enters the property from outside. This could be due to cracks in walls, faulty gutters, or roofing issues. You may notice damp patches, staining, or worsening issues after rainfall.

Condensation
Condensation is caused by excess moisture in the air settling on cold surfaces. It is especially common in kitchens, bathrooms, and poorly ventilated spaces. Typical signs include black mould, water droplets on windows, and a musty smell.

What Does Damp Proofing Involve?

Effective damp proofing starts with a thorough survey to identify the root cause of the problem. Without accurate diagnosis, treatments may fail or only provide short-term relief.

A professional approach typically includes:

Detailed survey: Identifying the type and cause of damp.
Clear diagnosis: Understanding how moisture is entering the property.
Tailored treatment plan: Recommending the most effective solution.

Depending on the issue, treatments may include installing a damp proof course, improving ventilation, repairing structural defects, or applying specialist plastering systems to restore affected areas.

Signs You May Need Damp Proofing

Recognising the early warning signs can help you act before the problem worsens:.

Peeling paint or wallpaper: Often caused by moisture behind walls.
Musty smells: A sign of trapped damp or poor airflow.
Cold or damp walls: Particularly at ground level.
Visible mould growth: Common with condensation issues.
Crumbling plaster or damaged timber: Indicates long-term moisture exposure.

Why Professional Diagnosis Is Essential

Not all damp problems are the same, and misdiagnosis is common. For example, condensation is often mistaken for rising damp, leading to unnecessary or ineffective treatments.

A specialist survey ensures the correct issue is identified and treated properly. This avoids wasted time, unnecessary costs, and recurring problems.

Benefits of Damp Proofing Your Property

Investing in damp proofing provides long-term protection and peace of mind.

Key benefits include:

Protects your property: Prevents structural damage and decay.
Improves air quality: Reduces mould and excess moisture.
Prevents timber issues: Helps avoid rot and infestations.
Maintains property value: Keeps your home in good condition.
Creates a healthier living space: Especially important for families.

When Should You Book a Damp Survey?

There are several situations where arranging a damp survey is a sensible step:

When buying a property and damp is flagged in a report
If you notice early signs like mould, staining, or peeling finishes
Before starting renovation or refurbishment work

Acting early can prevent minor issues from turning into major repairs.

Protect Your Home with the Right Advice

Damp problems rarely resolve on their own, and the longer they’re left, the more damage they can cause. Getting the right diagnosis early makes all the difference.

If you’ve noticed signs of damp – or simply want reassurance that your property is in good condition – speaking to a specialist can give you clarity and peace of mind.

Atlantis Property Preservation Ltd offers professional damp and timber surveys across Cheshire and surrounding areas, helping you understand exactly what’s happening in your property and what, if anything, needs to be done next.

If you’d like honest advice from experienced damp proofing specialists, feel free to get in touch or arrange a survey at a time that suits you.

Call Now

The post How a Damp Survey Can Prevent Costly Surprises After Completion appeared first on Atlantis Property Preservation.

What Is Damp Proofing? A Beginner’s Guide for UK Homeowners

AtlantisDamp — Mon, 18 May 2026 14:55:29 +0000

What Is Damp Proofing?

What Causes Damp in UK Homes?

Understanding the cause of damp is essential before any treatment begins. In UK homes, damp is typically caused by one of three main issues:

Rising damp: Moisture from the ground travelling up through walls.
Penetrating damp: Water entering through external defects such as damaged brickwork or roofing.
Condensation: Moisture from everyday activities like cooking and showering building up indoors.

The UK’s climate, combined with older housing stock, makes properties particularly susceptible to these issues.

Types of Damp You Might Encounter

What Does Damp Proofing Involve?

Effective damp proofing starts with a thorough survey to identify the root cause of the problem. Without accurate diagnosis, treatments may fail or only provide short-term relief.

A professional approach typically includes:

Detailed survey: Identifying the type and cause of damp.
Clear diagnosis: Understanding how moisture is entering the property.
Tailored treatment plan: Recommending the most effective solution.

Signs You May Need Damp Proofing

Recognising the early warning signs can help you act before the problem worsens:.

Peeling paint or wallpaper: Often caused by moisture behind walls.
Musty smells: A sign of trapped damp or poor airflow.
Cold or damp walls: Particularly at ground level.
Visible mould growth: Common with condensation issues.
Crumbling plaster or damaged timber: Indicates long-term moisture exposure.

Why Professional Diagnosis Is Essential

Not all damp problems are the same, and misdiagnosis is common. For example, condensation is often mistaken for rising damp, leading to unnecessary or ineffective treatments.

A specialist survey ensures the correct issue is identified and treated properly. This avoids wasted time, unnecessary costs, and recurring problems.

Benefits of Damp Proofing Your Property

Investing in damp proofing provides long-term protection and peace of mind.

Key benefits include:

Protects your property: Prevents structural damage and decay.
Improves air quality: Reduces mould and excess moisture.
Prevents timber issues: Helps avoid rot and infestations.
Maintains property value: Keeps your home in good condition.
Creates a healthier living space: Especially important for families.

When Should You Book a Damp Survey?

There are several situations where arranging a damp survey is a sensible step:

When buying a property and damp is flagged in a report
If you notice early signs like mould, staining, or peeling finishes
Before starting renovation or refurbishment work

Acting early can prevent minor issues from turning into major repairs.

Protect Your Home with the Right Advice

Damp problems rarely resolve on their own, and the longer they’re left, the more damage they can cause. Getting the right diagnosis early makes all the difference.

If you’ve noticed signs of damp – or simply want reassurance that your property is in good condition – speaking to a specialist can give you clarity and peace of mind.

If you’d like honest advice from experienced damp proofing specialists, feel free to get in touch or arrange a survey at a time that suits you.

Call Now

The post What Is Damp Proofing? A Beginner’s Guide for UK Homeowners appeared first on Atlantis Property Preservation.

What happens during a damp and timber survey: step by step

AtlantisDamp — Thu, 19 Mar 2026 07:46:31 +0000

If you are looking for a professional damp and timber survey in Cheshire, look no further. At Atlantis, we specialise in correct diagnosis and treatment of damp and timber defects in your property.

As a member of the Property Care Association (PCA®), we are proud to offer trusted advice and solutions to our Cheshire based customers. Being a member of the PCA means that we are regularly audited and meet strict criteria to demonstrate both our technical competence and service delivery standards. It also means that our damp and timber surveyors are also fully qualified, holding the CSRT (Certified Surveyor in Remedial Treatment).

We provide a thorough survey with a detailed report and cost estimates for any necessary remedial work, in line with the PCA Code of Practice.

Damp and Timer Survey Process

Frequently, during property purchase and remortgage process, a general building surveyor, who has completed a Home Buyers survey, will advise that a specialist Damp and Timber Survey is required. This is where we at Atlantis can help.

At enquiry stage, we will gather initial information about the property, such as its age, construction and size and agree a suitable time to visit the property to carry out our thorough assessment. It is important to appreciate the variety of ways that dampness, rots and infestations can affect properties. At Atlantis we take a holistic approach to ensure that we are confident in our diagnosis and the recommendations of any remedial recommendations you may require.

External Observations

On arrival at the property, we will look at various external parts of the property, including:

Noting the position, orientation and construction type.
Damaged roof coverings, such as missing/ slipped tiles.
Defective and poorly maintained guttering and downpipes.
Condition of masonry, bricks and mortar joints.
Condition of chimney stacks and flashing.
Presence and location of any Damp Proof course.
Defective timbers, such as window frames.

Internal Observations

Following the external observations, on entry to the property we will:

Identify any internal issues that link to external observations.
Use digital hygrometer to identify if condensation is occurring.
Use a moisture meter to assess patterns of moisture within internal walls for typical signs of rising damp and/ or penetrating damp.
Observe wall covering condition.
Inspect all accessible timbers for rot and woodworm.
Where a sub floor void is present and accessible, inspect all sub floor timbers for rot and infestation.
Where loft access is permitted, inspect roof void timbers for rot and infestations.

Next Steps

Following the thorough inspection, our surveyor will compile a detailed Damp and Timber Survey Report, which will include details of any faults and issues found, alongside recommendations and costings of the required remedial treatment.

Don’t Panic if a Damp and Timber Survey has been recommended on your property. Contact Atlantis today for a professional, friendly and honest advice and to schedule your professional damp and timber survey.

Call Now

The post What happens during a damp and timber survey: step by step appeared first on Atlantis Property Preservation.

Types of Damp in Homes: Rising, Penetrating & Condensation

AtlantisDamp — Wed, 18 Mar 2026 15:31:24 +0000

Damp is a common issue in properties across Cheshire, but not all damp problems are the same. Understanding the types of damp found in homes is essential if you want the right solution applied first time. Misidentifying the problem can lead to unnecessary work, avoidable costs, and ongoing damage.

This guide explains the different types of damp, how to recognise them, and when it is best to involve an independent damp surveyor.

Why understanding different types of damp matters

Although damp symptoms can look similar, the underlying causes are often very different. Staining, mould, peeling paint, or damaged plaster may all point to moisture, but treating the wrong type of damp will rarely solve the issue.

Correct identification ensures:

The right remedial work is recommended
Disruption is kept to a minimum
Long-term prevention is prioritised
Money is not wasted on ineffective treatments

The three main types of damp affecting homes are rising damp, penetrating damp, and condensation.

Rising damp

What is rising damp?

Rising damp occurs when moisture from the ground travels upwards through walls by capillary action. This usually happens when a damp proof course (DPC) is missing, damaged, or bridged.

Rising damp is most often found in older properties, although it can still occur in newer homes where the DPC has failed or external ground levels have been raised.

Common signs of rising damp

Damp patches low down on internal walls
Tide marks or staining up to around 1.5 metres high
White, powdery salt deposits on plaster or masonry
Crumbling or blown plaster near skirting boards
Decaying skirting boards or floor timbers

How rising damp is identified

A professional damp survey assesses moisture patterns, wall construction, and the condition of the existing damp proof course. This ensures rising damp is not confused with condensation or penetrating damp, which can show similar symptoms.

Penetrating damp

What is penetrating damp?

Penetrating damp occurs when water enters a building through its external fabric. Unlike rising damp, it can appear at any height and is often linked to defects in the structure or building envelope.

This type of damp often worsens after heavy rainfall and may affect isolated areas rather than continuous sections of wall.

Common causes of penetrating damp

Damaged or blocked gutters and downpipes
Cracked brickwork or deteriorated pointing
Defective render or cladding
Leaking roof coverings or flashing
Faulty window and door seals
Cavity wall debris or corroded wall ties

Typical signs of penetrating damp

Localised damp patches on walls or ceilings
Staining that darkens during wet weather
Peeling paint or blistered plaster
Mould growth on colder external walls

Why diagnosis is important

Penetrating damp is usually resolved by addressing the external defect rather than treating the internal wall. A survey helps pinpoint the exact entry point of moisture, avoiding unnecessary internal damp proofing work.

Condensation

What is condensation?

Condensation is the most common type of damp found in modern homes. It occurs when warm, moisture-laden air comes into contact with cold surfaces, causing water droplets to form.

Although condensation is often mistaken for rising or penetrating damp, it is usually linked to lifestyle factors, ventilation, and heating patterns.

Where condensation commonly appears

Bedrooms
Bathrooms
Kitchens
Corners of rooms
Around windows and external walls

Signs of condensation-related damp

Black mould growth, especially in corners
Water droplets on windows or cold surfaces
Damp patches that worsen in winter
A musty smell in poorly ventilated rooms

Managing condensation effectively

Condensation-related damp prevention focuses on improving ventilation, maintaining consistent heating, and controlling indoor humidity. In some cases, specialist ventilation systems may be recommended following a damp survey.

Why damp types are often confused

Many properties suffer from more than one issue at the same time. For example, condensation may exist alongside penetrating damp, or rising damp may affect lower walls while condensation impacts upper rooms.

This overlap is why relying on visual inspection alone can be misleading. A trained surveyor considers building construction, moisture behaviour, ventilation, and external factors before confirming the type of damp present.

The role of an independent damp surveyor

An independent damp surveyor provides an unbiased assessment of your property. Their role is to identify the true cause of damp, not to assume a solution.

A professional damp survey typically includes:

Moisture testing
Visual inspection of internal and external elements
Assessment of ventilation and heating
Identification of any timber decay or infestation
Clear explanation of findings and recommendations

This approach ensures that any suggested treatment is appropriate, proportionate, and necessary.

Professional damp surveys in Cheshire

If you are unsure which type of damp is affecting your property, Atlantis Property Preservation Ltd provide professional damp and timber surveys across Cheshire.

Surveys are designed to accurately identify rising damp, penetrating damp, condensation, or a combination of issues. You receive clear advice, detailed reporting, and guidance on next steps – whether that involves damp proofing, ventilation improvements, or simple maintenance.

When should you book a damp survey?

You should consider arranging a damp survey if:

Damp patches persist or spread
Mould continues to return
You are buying or selling a property
A mortgage lender has requested a report
You want confirmation before starting damp proofing work

Early diagnosis helps prevent further damage and reduces long-term costs.

Take the next step

Understanding the types of damp in homes is the first step towards protecting your property. If you are concerned about damp or want professional confirmation of the cause, booking a survey is the safest option.

Arrange a damp survey, speak to an independent damp surveyor, or request advice on suitable damp proofing solutions for your Cheshire home today.

The post Types of Damp in Homes: Rising, Penetrating & Condensation appeared first on Atlantis Property Preservation.

Common Causes of Damp in Homes and How to Prevent It

AtlantisDamp — Thu, 12 Mar 2026 18:22:44 +0000

Damp is one of the most common problems affecting residential properties in Cheshire. It can develop slowly, often hidden behind plaster or floor coverings, before becoming visible and costly to resolve. Understanding the causes of damp and knowing how to prevent dampness puts you in a far stronger position to protect your home.

This guide explains the main causes of damp in houses, how they typically present, and what practical steps you can take to reduce the risk. It also explains when it is time to involve professional damp surveyors.

Why damp occurs in homes

Damp occurs when excess moisture enters or builds up within a property and is unable to escape. This moisture may come from the ground, external walls, internal humidity, or plumbing defects. Older properties across Cheshire are particularly vulnerable due to traditional construction methods, ageing materials, and changes in how homes are heated and ventilated.

Identifying the type of damp is critical. Treatments that work for one cause may be ineffective for another, which is why professional diagnosis is often essential.

Rising damp – causes and prevention

Causes of rising damp

Rising damp occurs when moisture from the ground travels upwards through walls by capillary action. This usually happens when a damp proof course (DPC) is missing, damaged, or bridged.

Common causes of rising damp include:

Older properties built before modern damp proof courses were standard
A failed or deteriorated DPC
External ground levels raised above the DPC
Driveways, patios, or flower beds bridging the damp proof course

Typical signs include low-level damp patches, crumbling plaster, salt deposits, and visible tide marks.

How to prevent rising damp

Preventing rising damp involves ensuring that a functioning damp proof barrier is present and effective.

Maintain correct ground levels: External ground should sit at least 150 mm below the internal floor and DPC.
Avoid bridging the DPC: Decking, render, or insulation should not cover the damp proof course.
Professional assessment: If rising damp is suspected, a damp proof survey can confirm the cause and whether remedial treatment is required.

Penetrating damp – causes and prevention

Causes of dampness in walls

Penetrating damp occurs when water enters through the external fabric of a building. Unlike rising damp, it can appear at any height and is often linked to building defects.

Common causes of dampness in walls include:

Defective guttering or downpipes
Cracked or porous brickwork
Failed pointing or render
Leaking roof coverings or flashing
Defective window and door seals
Cavity wall debris or failed wall ties

Penetrating damp often worsens after heavy rain and may cause localised damp patches on internal walls or ceilings.

How to prevent penetrating damp

Regular maintenance: Keep gutters, downpipes, and roof coverings in good condition.
Repair external defects: Address damaged pointing, cracked bricks, and failed seals promptly.
Professional inspection: A damp survey can trace the exact entry point of moisture, preventing unnecessary internal treatments.

Condensation – the most common cause of damp

Why condensation occurs

Condensation is caused by warm, moisture-laden air meeting colder surfaces. It is the most frequent cause of damp in modern homes and is often mistaken for rising or penetrating damp.

Common contributors include:

Cooking, bathing, and drying clothes indoors
Poor ventilation
Inconsistent heating
Cold external walls and windows

Condensation often leads to mould growth, particularly in bedrooms, bathrooms, and kitchens.

How to prevent damp caused by condensation

Effective damp prevention focuses on managing moisture and airflow.

Improve ventilation: Use extractor fans in kitchens and bathrooms.
Maintain steady heating: Avoid large temperature fluctuations.
Reduce moisture production: Cover pans when cooking and avoid drying clothes indoors.
Professional advice: A damp survey can confirm whether mould is condensation-related or linked to another damp issue.

Plumbing leaks and internal moisture sources

Not all damp is caused by external factors. Leaking pipes, faulty seals, or overflowing appliances can introduce moisture into walls and floors.

Even small leaks can cause significant damage over time if left undetected. If damp patches appear suddenly or worsen without weather changes, plumbing should be checked as part of a wider investigation.

Why correct diagnosis matters

Different damp problems can produce similar symptoms. Treating the wrong cause can be expensive and ineffective, often masking the issue rather than resolving it.

This is why engaging a qualified damp surveyor is so important. A professional survey identifies the exact cause of dampness and ensures that any recommended solution is proportionate and appropriate.

Professional damp surveys and prevention in Cheshire

If you are unsure about the cause of damp in your property, Atlantis Property Preservation Ltd provide professional damp surveys and damp proofing services across Cheshire.

Surveys focus on clear diagnosis, honest advice, and long-term prevention rather than unnecessary treatments. Whether the issue is rising damp, penetrating damp, condensation, or a combination of factors, a detailed survey gives you the clarity needed to protect your home.

When to seek professional help

You should consider booking a damp survey if:

Damp patches persist or spread
Mould keeps returning despite ventilation improvements
You are buying or selling a property
Structural timbers show signs of decay
You want confirmation before committing to damp proofing work

Early action can prevent more serious structural damage and reduce long-term costs.

Take the next step

If you are concerned about the causes of damp in your home or want practical advice on how to prevent damp, speaking to a qualified specialist is the safest next step.

Arrange a professional damp survey, request expert guidance on damp prevention, or discuss suitable damp proofing options to keep your Cheshire home dry and protected.

The post Common Causes of Damp in Homes and How to Prevent It appeared first on Atlantis Property Preservation.

How to Spot Early Signs of Damp in Your Home

AtlantisDamp — Thu, 12 Mar 2026 15:49:38 +0000

Damp problems rarely appear overnight. In most homes, the warning signs develop slowly and are often mistaken for cosmetic defects or everyday condensation. Knowing how to recognise the early signs of damp can help you act before it leads to costly repairs, damaged timbers, or health concerns.

This guide explains the most common signs of dampness in a house, what they usually indicate, and when it is time to speak to a professional damp and mould surveyor in Cheshire.

Why early detection of damp matters

When damp is left untreated, moisture can continue to spread through walls, floors, and structural timbers. Over time, this can weaken plaster, rot floor joists, attract wood-boring insects, and create conditions where mould thrives.

Spotting damp early gives you more control. Treatment is often simpler, less disruptive, and more cost-effective when the problem is identified at an early stage rather than after structural damage has occurred.

Common early signs of damp inside your home

Damp spots on walls

Localised visible damp spots or decorative spoiling on internal walls are one of the clearest early indicators. These patches may feel cold or appear darker than the surrounding area.
Damp patches lower down on the walls can point towards rising damp, often characterised by the telltale horizontal tidal mark.

Patches higher up the wall may suggest a penetrating damp issue and in many cases, they worsen after heavy rainfall.

Damp patches with accompanying mould growth are often caused by a condensation issue, particularly during the colder months.

Peeling paint or wallpaper

Paint that bubbles, flakes, or peels away from walls often indicates moisture behind the surface. Wallpaper may lift at the seams or feel loose to the touch. These signs are frequently dismissed as poor decoration but are often caused by damp conditions beneath.

Tide marks and salt deposits

One of the most recognisable signs of rising damp is a visible tide mark on walls, usually no higher than around 1.5 metres from floor level. You may also notice white, powdery deposits on plaster or masonry. These salts are carried up from the ground as moisture rises through the wall.

Musty smells

A persistent musty or earthy smell is often an early warning sign of damp. Damp conditions can be ideal for mould and mildew growth, releasing spores and gases into the atmosphere, which create the characteristic odours. Even when there are no obvious visual clues, odours can indicate moisture trapped within walls, floors, or concealed timbers.

Signs of damp in specific areas of the property

Mould on walls in bedrooms

Black mould on bedroom walls or ceilings is commonly linked to condensation. External bedrooms walls are particularly vulnerable due to excess moisture released by overnight breathing, temperature changes and limited ventilation. While mould can sometimes be managed with improved airflow, recurring growth may indicate an underlying damp issue that needs further investigation.

Signs of damp on external walls

Externally, damp-related problems can include crumbling mortar, damaged brick faces, substandard chimney flashing, or failed guttering . These defects allow rainwater to penetrate the structure, leading to penetrating damp inside the property. Penetrating damp is most common in older properties, where a wall cavity is not present or in a newer property where the cavity has been infilled.

Signs of damp in a concrete floor

Dampness in a concrete floor often shows as dark patches, lifting floor coverings, or a cold, clammy feel underfoot. This can be caused by a failed or missing damp proof membrane, allowing moisture to rise from the ground.

Early signs of rising damp to look out for

Rising damp is caused by moisture travelling upwards from the ground through masonry. Early signs include:

Low-level wall staining: Discolouration or damp patches near skirting boards.
Crumbling plaster: Plaster becoming soft, powdery, or damaged at the base of walls.
Salt residue: White deposits appearing on walls or floors.
Deteriorating skirting boards: Timber skirtings becoming warped, rotten, or loose.
If you notice several of these signs together, it is important to arrange a professional assessment.

When to book a damp and mould surveyor

If damp signs persist, worsen, or appear in multiple areas of your home, a professional survey is the safest next step. A qualified surveyor can determine whether the issue is rising damp, penetrating damp, condensation, or a combination of factors.

A detailed damp survey provides clarity. It identifies the true cause of the problem and prevents unnecessary or inappropriate treatments that may only mask the symptoms.

Professional damp surveys in Cheshire

If you are unsure about the signs of damp in your property, Atlantis Property Preservation Ltd provide professional damp and timber surveys across Cheshire and surrounding areas. Surveys focus on clear diagnosis, practical advice, and long-term solutions rather than assumptions.

Take the next step

If you have noticed early signs of damp in your home, acting now can save time, money, and disruption later.

Book your damp survey, speak to a qualified surveyor, or request a fixed-price estimate to understand exactly what is affecting your property and how it can be resolved.

The post How to Spot Early Signs of Damp in Your Home appeared first on Atlantis Property Preservation.

Modern Damp Proofing Techniques That Actually Work

AtlantisDamp — Thu, 29 Jan 2026 12:14:10 +0000

Damp is one of the most consistent problems faced by homeowners over centuries, with various methods deployed to try and resolve or alleviate the problem.

It was in the Victorian era that the importance of an effective damp proof course in buildings, became more well known. The slate damp proof course, which can still often been seen in Victorian properties today, was a relatively effective way of damp proofing your home. Layers of slate were embedded into the mortar bed, close to ground level, which formed a non porous layer, effectively blocking the pathway of moisture up from the ground.

Next, around the 1920’s bitumen damp proof courses were introduced into new builds. These were usually a pre formed strip, laid in the mortar course at least 150mm (about 2 brick courses) above the external ground level. Again, you will likely be able to see if your property has a bitumen DPC as there is often a partially visible black line in the mortar bed near the base of the wall.

Although these introductions did reduce dampness in buildings, there is often now a need to introduce a modern Damp Proofing Course, using a damp proof course cream.
This is because, over time, natural movement in the properties may have caused the original slate DPC to fracture, or an original bitumen DPC to degrade and break down, allowing moisture to travel up the wall. When an original Damp Proof course has failed, a new one is needed.

This is where Atlantis Property Preservation can help.

Where our surveyors identify that rising damp is occurring in your property, (rather than penetrating damp or condensation), the ONLY damp proofing cream that we use is Dryzone®. We use Dryzone® cream for many reasons, including that it is BBA Accredited.

BBA stands for British Board of Agrément and is a recognised authority that offers certification within the construction industry, to indicate high quality, experienced and reliable products. Within the industry gaining a BBA status is highly regarded and used by manufacturers as a symbol of superiority.

In addition, Dryzone ®, has many practical benefits:

Quick to install
Up to 3 times faster than standard damp-proofing injection systems.
Simple to install
Less scope for operator error
Concentrated formulation
Eliminates the need to introduce large volumes of liquid carrier into the wall. Dryzone is over four times stronger than many competing products.
Low hazard
Non-caustic, non-flammable, not injected under pressure.
Solvent-free formulation
Does not contain white spirit or iso-paraffins.
Spillage & mess virtually eliminated
No problems with damp-proofing fluid leaking into neighboring rooms or properties.
No electric DPC pump required
Can be used in situations where power is not available.
Effective
Independent tests demonstrate that Dryzone provides a more effective barrier to rising damp than competing products.

Once the affected area has been injected a 3-1 sand and cement waterproof render is applied to prepared brickwork. Next followed by multi finish plaster once the render coat has been allowed to dry out.

And that is why Dryzone® is the ONLY Damp Proofing Cream Atlantis use!

Call us now for advice on resolving your rising damp issue.

Call Now

The post Modern Damp Proofing Techniques That Actually Work appeared first on Atlantis Property Preservation.

How Much Does a Damp Survey Cost?

AtlantisDamp — Wed, 06 Aug 2025 15:00:00 +0000

There are fewer things that can destroy the structural integrity of your home faster than dampness. Addressing damp-related issues promptly is crucial because dampness doesn’t only destroy the aesthetic appeal of your property and cause a drop in value, it can also lead to severe structural damage and health concerns. If you suspect there’s a chance dampness is seeping into your home and eating away its foundation, a damp survey is the first step towards identifying and rectifying the issue. In this article, we’ll delve into the details of what a damp survey involves, how long it takes and, most importantly, how much a damp survey costs.

What Is a Damp Survey?

A damp survey, also sometimes called a damp test or moisture survey, is a thorough examination of a home or building to check for any presence of excessive moisture and damp issues. It’s an in-depth process undertaken by a specialist to uncover, diagnose, and determine solutions for damp problems affecting the property.

The aim of it is to identify issues like rising damp, penetrating damp, condensation, water ingress, fungus growth, damp patches, peeling paint or wallpaper, and other moisture-related damage that can occur in your home.

What Does a Damp Survey Involve?

The surveyor conducts moisture readings across walls and floors using professional equipment to quantify dampness levels and pinpoint specific problem areas.

They’ll also check for visible moulds, efflorescence deposits, timber decay, stenches and other symptoms pointing to dampness. Determining the source of dampness is crucial for prescribing appropriate solutions for your home.

Here are some key aspects that are generally covered during a damp survey.

Visual Inspection

The surveyor will visually inspect your property, looking for visible signs of dampness such as damp patches, stains, mould growth, or peeling paint. They may also check for obvious structural issues that could contribute or indicate damp problems.

Moisture Measurement

Specialised equipment, such as moisture meters, are used to measure the moisture content in walls, floors, and other structural elements.

Finding areas with high moisture levels could be an easy indicator of damp issues.

External Examination

The surveyor will walk the perimeter and inspect the exterior of the building to identify potential sources of moisture penetration, such as blocked gutters, damaged roofing, or cracks in the walls.

External factors can be crucial clues in determining the root cause of dampness.

Identification of Damp Types

Different types of damp (rising damp, penetrating damp, and condensation) require specific approaches for mitigation. The surveyor will identify the type of damp affecting the property to tailor the remediation strategy accordingly.

At the end of the damp survey inspection, the specialist presents homeowners with a condition report and fully outlines the extent of dampness damage discovered, pointing out moisture sources, severity classification, photographic evidence and, commonly, cost estimations with plans for both immediate and longer-term needs.

These reports help you to make informed decisions on next steps to address problems and prevent further moisture-based deterioration in the property.

The survey is invaluable to prevent advanced decay which can be costly to fix and helps you avoid paying bigger repair bills down the line.

How Long Does a Damp Survey Take?

The duration of a damp survey can vary based on the size and complexity of the property, as well as the severity of the damp issues. On average, a thorough damp survey may take anywhere from a few hours to a full day. Larger or more intricate properties with complex damp problems may require more time for a detailed assessment.

The time required for a complete damp survey can significantly change based on several factors. The size of the home, ease of accessibility to problem areas, building age, and severity of the damp issues.

While a contained damp patch in a modern small flat may take under an hour, a whole house in an older complex property with obstructed areas and multiple affected rooms could take up to a full day. But most average sized home inspections range between 2-4 hours for a qualified surveyor to perform due diligence checks, with follow ups as needed if further investigation is warranted into root causes.

How Much Does a Damp Survey Cost?

Damp surveys require detailed, methodical assessments by certified professionals. The average damp survey costs depend on several factors, including the location, its size, and the extent of the damp issues.

You can expect to pay between £200 and £500 for a standard damp survey. However, prices can vary, and it’s advisable to obtain quotes from different surveyors or companies to weigh your options. You can get your free quote from Atlantis Damp here.

What impacts the cost of a damp survey?

Similar to how long a damp survey takes, the damp survey cost can vary widely.

It depends on factors like:

Size of Home – Larger homes cost more to fix than a compact flat.

Location – Greater demand in expensive cities also helps push up inspection costs.

Type of Surveyor – The qualifications and expertise of the surveyor or damp specialist can also influence the cost. Certified professionals with extensive experience may charge higher fees for their services.

Severity & Type of Damp – Surface mould limited to one patched wall is far quicker to manage than entire houses with chronic rising damp, water ingress and timber decay.

While a contained issue in a modest flat may cost around £250-300, whole house inspections on expansive rural manor homes with hidden decay can run over £1,000 in some cases.

A damp survey isn’t just a cost to keep your home clean. It’s an investment in the long-term health and integrity of your home and your family. While the cost may vary, it is a small price to pay compared to the potential expenses associated with untreated damp problems.

Regular damp surveys can help you identify issues early on, allowing for timely and cost-effective solutions. If you suspect dampness in your home, don’t hesitate to seek the services of a qualified professional to conduct a thorough damp survey and safeguard your property against the damaging effects of moisture.

Get in touch with Atlantis Damp and see how our expert team can help you safeguard your home and your family.

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What is Sub Floor Ventilation?

AtlantisDamp — Sun, 27 Jul 2025 12:57:00 +0000

If you’re looking to reduce the chance of damp and mould taking hold in your home, it’s essential that you have adequate sub floor ventilation beneath your property.

The space underneath your floorboards is very often overlooked. We know sub floor ventilation is integral to creating a moisture and damp-free household. Helping clean, fresh air to circulate.

In this article, the expert team at Atlantis explains what sub floor ventilation is, and why you need it in your home.

What Is Sub Floor Ventilation?

This term refers to any system or method designed to effectively ventilate the area below your floorboards on the ground floor of a building. This area is commonly referred to as the ‘sub floor void’, and there are several ways we can help you keep the air flowing in your underground space.

The most common method is the installation of air bricks, which is required under building regulations. Air bricks are terracotta bricks with holes in the sides. Ideallf installed on every side of the building (at sub floor level) they allow air to flow in all directions.

We can help improve the conditions under your floor with the installation of fans, extra vents and air pumps. Your home’s airflow can be assisted through basic ventilation methods, such as keeping windows and doors open, and making use of extractor fans.

Why Do You Need Sub Floor Ventilation?

Spaces under your floorboards aren’t commonly top of the list when it comes to inspecting ourhomes or looking for signs of moisture or damp.

However, that’s exactly why you need to take sub floor ventilation seriously. Therefore, poor ventilation can often go unnoticed until wider problems start to appear above ground level. Without sufficient ventilation, your home will have inadequate circulation and it will be much more susceptible to problems arising from excess moisture and damp. Damp and mouldy conditions can cause health problems, lead to woodworm or fungal infestations and, in the worst-case scenarios, cause serious structural damage to your home.

Furthermore, here are the most important reasons to ensure that your sub floor ventilation is up to scratch:

Regulate underfloor temperatures and humidity
Avoid a build-up of damp below your floorboards
Avoid growth and spread of mould throughout your home
Prevent the spread of fungal spores through the property
Remove the conditions needed for woodworm and other unwanted infestations to thrive
Create a clean flow of air throughout your home
Promote a healthy living environment

How Can Atlantis Help?

If you are worried that your sub floor ventilation is insufficient, the expert team at Atlantis is here to help.

We can provide a detailed damp timber survey of your current underfloor situation, fix any existing problems and determine the best way to improve your conditions going forward.

Contact Atlantis today for more information.

The post What is Sub Floor Ventilation? appeared first on Atlantis Property Preservation.

How to reduce Condensation on Windows?

AtlantisDamp — Thu, 17 Jul 2025 14:55:00 +0000

Initially, condensation may seem like a harmless nuisance that can be easily solved with a paper towel. Over time however, it can result in damage to your home and health problems for your family. Although condensation can never be fully removed from your home, we believe steps can be taken to significantly reduce its occurrence.

In this article, we’ll explore how to reduce condensation from double-glazed windows.

What Is Condensation?

Tackling the issue of how to reduce condensation from double-glazed windows first requires that we answer the question ‘what is condensation?’ Condensation is the natural process whereby water vapour becomes liquid, due to falling temperatures. Surfaces in your home will have a ‘dew point’. This is the temperature that water vapour turns back to a liquid.

Your windows are cold surfaces, and therefore more likely to reach dew point more regularly. This is why condensation on windows is very common. Particularly in the cooler months.

What Causes Condensation on Windows?

In the comfort of our own homes, we tend to do activities such as cooking, showering, and washing and drying clothes. Unfortunately, these activities are a source of excess humidity. They release water vapour into the air. This phenomenon is further exacerbated during winter, when we use more heat. It also occurs when a building is poorly ventilated and excess water vapour cannot escape.

Condensation occurs when water vapour cools and becomes liquid. Therefore, when water vapour in the air makes contact with the cool surface of a window, the vapour will condense. This results in water droplets falling from the surface of the glass and forming pools on or around window frames.

Given that condensation is a natural occurrence and typical human activities generate excess water vapour, it’s easy to conclude that condensation is not a problem. However, condensation can settle on the surface of your home’s fixtures and cause damage in the form of rot or mould. Although the expense of replacement or repair can be significant, these are not the only concern. Mould spores can become airborne and exacerbate breathing problems such as asthma in your home’s occupants. Therefore, it is a problem that requires a solution. And double-glazing may be one of the most effective solutions.

Where Does Condensation Appear on Double-Glazed Windows?

Double-glazed windows are two panes of glass that have been mounted in a frame. The space between the two panes of glass is usually filled with argan gas, which is meant to serve as an insulator. The purpose of double glazing is to ensure that the temperature outside the building does not affect the temperature inside the building. It’s an effective way to improve your home’s energy efficiency. This is because it prevents heat and cool air from escaping. In the case of preventing condensation, double glazing helps to stabilise your home’s indoor temperature. Therefore, the water vapour and the window will be the same or near the same temperature, and condensation is less likely to occur.

Once you’ve installed double-glazed windows, you have to pay attention to where condensation appears. This will indicate whether the double-glazing is working. With double-glazed windows, condensation is meant to appear solely on the outer pane, i.e. the pane that is facing outside of your home. In this scenario, the double-glazing is working. The gas in between the two panes serves as an insulator that prevents heat transfer between them. The seals around the windows are meant to keep out air and water from entering between the panes.

Is condensation on my windows a problem?

If condensation appears elsewhere, it’s indicative of a problem. Where condensation starts to form between the two glass panes, it means that one of the seals is likely damaged. Therefore, insulating gas is escaping. If left unresolved, it can affect the appearance of your windows. Therefore raising the question of how to remove condensation from double-glazed windows. This problem can deteriorate and compromise the inner glass pane. Once condensation begins to form on the inner glass, it may be a sign that the double glazing is no longer effective at preventing heat transfer. However, one must note that condensation on interior windows can also be a sign of excess humidity and poor ventilation, in addition to a broken seal. Therefore, you should employ a specialist to diagnose the true source of the problem.

Should You Replace Your Windows?

As previously mentioned, excess humidity in a house is a result of normal human activity. Therefore, condensation is nearly unavoidable. However, there are solutions as simple as opening windows during or after cooking and showering, and using a dehumidifier. If your condensation problem decreases after those measures, there is no need to replace your windows. Yet if the problem persists, you may be interested in more invasive measures such as improving your home’s ventilation system or replacing your single-glazed windows with double-glazed windows.

However, if your home already has double-glazed windows and condensation is forming in the space between the glass panes, it’s advised that you consider replacing your windows. The seals on the window are likely damaged due to age or exposure to the elements. If left unrepaired, water and air can seep in and cloud the window, rendering it translucent. Although there are various home remedies on how to remove condensation from double-glazed windows, bear in mind that you risk exacerbating the problem and damaging your window. If the frames of your windows are wooden, the excess water can rot the wood. For double-glazed windows that still experience condensation issues on the interior glass, it may be indicative of another issue. Therefore, in addition to replacing your windows, it’s important to consider other factors causing the problem.

Contact Atlantis Property Preservation

Condensation starts as a harmless nuisance but can gradually become a noticeable problem. The source and severity of the issue will determine the best measure to treat it. Before you rush into the time-consuming and expensive process of replacing all your windows, you should seek the evaluation of an expert who can diagnose the problem and guide you on the best course of action. There are steps to take to reduce condensation on your windows. Contact our experts today for a damp survey, where we can help you find and treat the source of condensation and other structural damp issues.

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