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Damp and Mould Surveys

Expert surveys to solve damp & mould issues.

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Do you need a damp and mould survey on a property you own or one you are buying? Ministry of Mould carry out comprehensive damp and mould surveys to detail exactly what is happening in the property and explain how to solve the dampness, condensation or mould problem. Our damp specialists cover Devon, Dorset, Somerset Torquay, Exeter, Plymouth, Taunton, Honiton, Kingsbridge and further afield as required. 

Our damp and mould survey process starts with gaining a broad understanding of the issues present in the property plus any relevant background information. In some cases, such as a pre-purchase survey or a newly purchased property, the full background may not be known. Building survey reports and a healthy amount of on the job experience can help our surveyor find the causes of damp in houses and commercial properties. Once the survey is completed you will be emailed a damp and mould report containing a detailed breakdown of the dampness and mould problems that were found, plus guidance on the solutions. 

How We Work

Choose A Time For The Damp and Mould Survey

You can telephone, email or fill in an enquiry form to book a suitable date for the survey. If you are buying a property then we are happy to collect the keys from an estate agents. You do not need to be present for the survey, although you are very welcome to be.

Senior Surveyor Attends

A specialist damp and mould survey will be carried out in accordance with BRE245. This takes around 2 hours and includes walls, floors and roofs. Plus inside and outside the property. Where necessary we can carry out mould testing using a range of methods to find hidden mould or identify the species.

Get Your Damp Report

We aim to email your damp and mould report to you within 3 working days of the survey. You are very welcome to speak to us with any questions you may have about the findings. We do not charge extra for telephone calls or emails.

Damp and Mould Survey Process

Our specialist damp and mould surveyors will provide you with a complete picture of the building construction and how any defects are related to the damp or mould problems. We are able to carry out specialist damp and mould surveys along with mould tests if require across South West England including Devon, Dorset, Plymouth, Exeter, Torquay, Barnstaple, Axminster, Bournemouth and further afield – contact us to find out if we cover your area. 

It is very important to understand that the way your building has been constructed and how it is currently being used will have a large impact on the presence of mould or damp. All of our surveys look at the exterior and interior of the property to understand how it is built and the likely sources of moisture that can cause mould. 

Our surveys are aided by specialist kit that helps with identifying and understanding the solutions proposed. 

testo anenometer

Testo Anenometer

When dealing mould it is crucial to know how well the existing ventilation system is working. This clever bit of kit acts like a wind vane and measures the speed of any extract fans installed. 

This means we can advise you if the extracr fans are compliant with building regs or not. A fan that doesn’t actually work well enough to clear the steam from a shower is as useful as a chocolate teapot!

Should the fans be found to be inadequate we can install replacement building regs compliant units.  

Snake Camera / Borescope Camera

Sometimes it is very useful to be able to look within a cavity wall or behind some plasterboard. For these purposes we use a borescope or a snake camera. This enables to quickly determine if a cavity is blocked, if mould is visible in the cavity, if debris within a cavity is causing issues or even if interstitial condensation is present within a wall.

Looking within a wall is particularly useful when the mould is being caused by a hidden source of moisture. Sometimes leaking pipes hidden behind walls or other sources of water ingress can be found. 

Protimeter Capacitance Meter

These familiar two pronged protimeters are useful on a survey to give an indication of areas which need further investigation. The Protimeter gives an accurate moisture content when used in timber which is very helpful to determine which timbers are at risk of fungal decay or insect attack.

The protimeter is not calibrated for masonry and does not give an absolute reading. It is also hopelessly thrown off the scent by any salts present in the wall – a big problem with older buildings which often accumulated salts from over the years.

Having said all of that the protimeter is great at finding dry areas of walls and this fact alone makes it very useful for damp and mould surveys.

Humidity Meter

On every survey we take humidity readings within the rooms, the bathrooms, the kitchen and outside for comparison. Humidity levels can cause a variety of problems within properties including moulds, paint flaking and plaster deterioration. In some circumstances the humidity can also be responsible for salt damage on walls as the high levels of condensation within the walls pores lead to existing salts becoming watery before accumulating on the wall surface. 

Interstitial condensation is reasonably common and can be found within wall cavities or behind plasterboard walls. 

Humidity measurement taken on a mould survey
mould testing uk qpcr test

Mould Tests

We use a range of mould tests techniques to identify hidden mould and the type or quantity of mould spores in a property. 

These include a range of tests including air and surface sampling using spore traps. We also offer cutting edge DNA swab tests which give a really accurate picture of the exact mould species present such as stachybotrys or aspergillus. 

When mould removal works are carried out we take a before and after mould test to demonstrate that the mould is removed. 

All tests are analysed in an independent laboratory. 

Thermal Imaging

We use FLIR thermal imaging cameras to find hot spots, cold spots and wet spots within a building. We like FLIR due to the MSX technology which overlays the thermal image onto a regular camera image provided fine detail of the actual scene, like in the image shown here. This makes it really easy to pick out areas of concern. These thermal imaging cameras are designed for building inspections and used by us primarily to pick out colder spots which may indicate a leak, a cold bridge or an area prone to mould. This technology is a really great tool that proves very useful in the right hands. Our long term experience diagnosing damp problems allows for intelligent interpretation of the image and further investigation as required. 

Specialist Damp and Mould Survey

Just some of the issues a damp specialist surveyor will look at

Damp And Mould Surveys Can Find:

During the damp and mould survey and investigation of the property the damp specialist will map out the building using a range of instruments. Once this has been completed a more in depth look at specific areas will be undertaken to identify the type of damp and the cause. A damp specialist will carry out a far more thorough investigation than your average builder or jack-of-all-trades, with most damp surveys taking 2 – 3 hours, using a variety of specialist damp detection equipment. 

Particular attention is paid to humidity levels, insulation and ventilation as well as tenant lifestyle (in the case of rental properties). 

Common Causes Of Mould Problems

There are many types of dampness commonly present within buildings including penetrating damp, rising damp and condensation. All of them have the potential to create an unhealthy living space, make occupants feel unwell, and cause expensive damage to the building.  Damage from mould can cause significant harm to building occupants including respiratory illness and even death

The causes of mould in houses are numerous and can often be very unique to the particular setting of the building. However, broadly speaking these are the most common ones a specialist damp and mould surveyor will find.