Damp & Mould Survey
Identifying moisture problems, ventilation gaps, and the causes of mould. Independent, Technical Assessments for a Healthier Home.
Practical Advice for Most Homes
At Simply Filtered, our core service is a professional Damp and Mould Survey to understand the true causes of damp, mould, condensation, and ventilation concerns. Our goal is simple: to give you clarity, confidence, and practical solutions that improve your property’s long-term health.
Damp and mould can be stressful. Conflicting advice online, guesswork repairs, and quick fixes often lead to the same issues returning. Instead, we use professional diagnostic instruments, clear reporting, and real-world experience to get to the root of the problem.
Most damp and mould problems do not require major building work. In many cases, the right combination of investigation, improved ventilation, moisture control, and targeted treatment is enough to achieve long-term improvement. Where more extensive work is genuinely required, this is clearly explained and proportionately scoped.
Simply Filtered does not carry out building works. Where physical works are required, we can support you by introducing trusted specialists, while remaining independent of the works themselves. Or you can use your own. You stay in complete control.
When a Damp & Mould Survey Is Recommended
A Damp & Mould Survey is usually recommended where:
The cause of damp or mould is unclear
Multiple areas are affected
Mould is recurring or worsening
There is concern about hidden moisture or ventilation performance
Where the issue is obvious and event-driven, we will advise honestly if a survey is not necessary.
When is a Survey Not Needed - Major Damp Events
Some damp problems arise from a sudden, clearly identifiable moisture event, such as a burst pipe, significant leak, flooding, or prolonged water ingress. In these cases, a full Damp & Mould Survey may not be required.
Where the cause is obvious, we will advise honestly and help guide appropriate next steps to stabilise the property, reduce the risk of secondary mould growth, and support long-term prevention.
Our role is to provide calm, independent guidance, not to recommend unnecessary work.
Learn More
See Property Recovery & Support for guidance on proportionate next steps following damp, mould, or moisture-related issues, and how we can support you through the process.
See Ventilation to understand how improving airflow helps prevent mould returning.
See Antimicrobial Fogging to understand how our fogging service can help reduce airborne and surface mould spores after damp, leaks, or contamination.
What the Survey Involves
Our surveys are:
Non-invasive
Calm, clear, and evidence-based
Focused on cause, not blame
We assess:
Moisture sources (condensation, leaks, ventilation issues)
The extent and distribution of mould growth
How the property is being used and ventilated
Assessment is based on accessible internal areas, and relevant external elevations, at the time of inspection
You’ll receive clear, practical guidance on what to do next. No exaggeration. No unnecessary recommendations or invasive work.
Typical Outcomes
For the vast majority of properties, recommendations fall into one or more of the following:
Localised mould treatment or surface protection
Changes to ventilation or airflow
Moisture management advice
Guidance on insulation improvements
Monitoring rather than immediate action
No automatic building work. No pressure.
Advanced Damp and Mould Testing
Where appropriate, our damp and mould surveys include specialist testing methods such as:
Moisture Meter & Hygrometer – measuring wall, timber, humidity, and dew-point levels
Infrared Thermal Imaging Camera – identifying cold spots, hidden damp, and thermal bridging
Anemometer – assessing the performance of extractor fans and ventilation systems
Salts Testing – helping distinguish rising damp from other moisture sources
Full Damp and Mould Survey Report
Following your damp and mould survey, you will receive a comprehensive written report including:
Recorded moisture and environmental readings
Photographs and thermal images
Root cause analysis
Clear, practical recommendations
Preventative advice to reduce future mould and damp risk
The result? A clear, data-driven understanding of why the issue is happening and what will actually fix it.
Who Our Damp and Mould Surveys Are For
We provide damp and mould surveys for:
Landlords requiring clear evidence and professional recommendations
Social Housing Landlords adhering to Awaab’s Law requirement
Tenants experiencing recurring mould or damp conditions
Homeowners seeking accurate diagnosis and long-term solutions
Home buyers seeking pre-purchase reassurance
Letting agents and property managers
Properties affected by leaks, storms, or flooding
Our surveys are suitable for dispute resolution, maintenance planning, and preventative action.
Why Choose Simply Filtered for Your Damp and Mould Survey
Professionally trained in damp investigation, mould remediation, and moisture diagnostics
Ventilation-led assessments to identify airflow gaps, condensation risk, and humidity imbalance
Non-invasive surveys using industry-leading monitoring and diagnostic technology
Clear, structured reporting with practical, prioritised recommendations
Solutions tailored to homeowners, landlords, and managing agents
No pressure sales - independent, evidence-based guidance
Access to our trusted contractors for ventilation, drying, repairs, or specialist remediation where required
We focus on accuracy, integrity, and helping you take informed next steps with confidence.
Understanding Costs
The survey includes a professional on-site assessment, specialist moisture and ventilation testing, and a detailed written report with clear, practical recommendations tailored to your property.
Damp & Mould Surveys typically start from £295* for smaller properties or limited affected areas. For larger homes or more extensive mould and damp issues, survey costs are confirmed at the point of booking, based on the information provided.
You’ll receive a clear quote in advance and an invoice with bank details for payment. Bookings are confirmed once payment has been received. There are no on-the-day price changes or unexpected charges.
*additional Parking and/or Congestion charges may apply
Contact Us
Get clear, independent insight into what’s causing damp or mould — and what, if anything, needs to happen next.
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Mould is a naturally occurring fungus that thrives in damp, poorly ventilated environments. Indoors, it often appears as black or discoloured patches on walls, ceilings, and other surfaces. Mould spreads through airborne spores and can contribute to respiratory irritation, allergies, and asthma, making it essential to address mould growth promptly within any property.
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Damp & Mould Surveys typically start from £295 for smaller properties or limited affected areas. For larger homes or more extensive mould and damp issues, survey costs are confirmed at the point of booking, based on the information provided.
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Yes. The survey is non-invasive and does not involve drilling, lifting floors, or damaging the property. We use professional diagnostic equipment to assess moisture, ventilation, and environmental conditions.
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Yes. The purpose of the survey is to identify why mould or damp is occurring — whether due to condensation, poor ventilation, moisture ingress, or a combination of factors — rather than simply commenting on visible symptoms.
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No. The survey is entirely independent. You are under no obligation to proceed with any remedial work or ventilation improvements following the report.
FAQs - Damp & Mould Survey
FAQs - Landlords & Managing Agents
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Yes. We regularly work with landlords and managing agents to assess properties and provide clear, practical reports that support informed decision-making.
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Responsibility depends on the cause. Issues linked to building condition or inadequate ventilation may fall under landlord responsibility, while lifestyle-related moisture can also contribute. A professional survey helps establish this objectively.
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Yes. Our surveys provide clear, evidence-based findings that can support compliance discussions, communication with tenants, and proportionate next steps where required.