Exposed building fabric photographed during a damp and moisture investigation
    Reports and guidance

    See the evidence-led reports behind the advice.

    Read technical notes and practical damp guidance written to show how moisture behaves, why diagnosis matters and why generic repairs often fail.

    Sample reports

    Redacted sample reports are being prepared separately so private property details are not published.

    Practical guidance

    Understand common damp and mould causes without sales-led advice.

    Technical notes

    Learn how tools like thermal imaging support diagnosis.

    Start here

    Featured guidance

    Start with the documents that explain moisture behaviour, diagnostic tools and common reasons damp repairs fail.

    Sample Reports

    Sample Escape of Water Report

    Example report for an escape-of-water scenario, useful for understanding moisture pathways and remedial priorities.

    Redacted preview coming soon

    Sample Reports

    Sample Home Buyer Damp Report

    Sample report for home buyers who need clarity before purchase, negotiation or planned remedial works.

    Redacted preview coming soon

    Sample Reports

    Sample Heritage Damp Report

    Example report for a heritage or older building where breathability, materials and context matter.

    Redacted preview coming soon

    Technical Briefings

    Thermal Imaging in Damp Diagnosis

    What thermal imaging can show, what it cannot prove on its own, and how it supports wider investigation.

    PDF available

    PDF

    Report library

    Guidance notes are available now. Sample investigation reports remain listed as previews until redacted versions are approved.

    Sample Reports

    Sample Escape of Water Report

    Soon

    Example report for an escape-of-water scenario, useful for understanding moisture pathways and remedial priorities.

    Redacted preview coming soon

    Sample Home Buyer Damp Report

    Soon

    Sample report for home buyers who need clarity before purchase, negotiation or planned remedial works.

    Redacted preview coming soon

    Sample Heritage Damp Report

    Soon

    Example report for a heritage or older building where breathability, materials and context matter.

    Redacted preview coming soon

    Sample Heritage Damp Report 2

    Soon

    Second heritage sample showing how True Damp Specialists approach complex traditional buildings.

    Redacted preview coming soon

    Guidance Notes

    Condensation and BS 5250

    PDF

    Plain-English guidance on condensation risk and the role of BS 5250 in moisture control.

    PDF available

    Open PDF

    Mould Cleaning, Redecoration and Ventilation

    PDF

    Explains what helps mould problems, what does not, and why cleaning alone rarely solves the cause.

    PDF available

    Open PDF

    Understanding Moisture in Buildings

    PDF

    An accessible overview of how moisture behaves in buildings and why diagnosis should come before treatment.

    PDF available

    Open PDF

    Why Bedrooms Are Common Rooms for Mould

    PDF

    Guidance on why bedrooms frequently show mould first and what the pattern can reveal.

    PDF available

    Open PDF

    Why Damp Keeps Coming Back After Repairs

    PDF

    Explains why repeated repairs fail when the original diagnosis misses the real moisture mechanism.

    PDF available

    Open PDF

    Why Does That Damp Patch Move?

    PDF

    A practical explanation of changing damp patterns and why movement can be an important clue.

    PDF available

    Open PDF

    Why External Inspections Matter

    PDF

    Shows why the outside of a building is often the most overlooked part of damp diagnosis.

    PDF available

    Open PDF

    Why Most Damp Diagnoses Get It Wrong

    PDF

    A short guide to common diagnostic mistakes and why independent investigation matters.

    PDF available

    Open PDF

    Why Insulation Matters Before You Diagnose Damp

    PDF

    Explains how insulation, thermal bridging and surface temperature affect damp and mould diagnosis.

    PDF available

    Open PDF

    Technical Briefings

    Thermal Imaging in Damp Diagnosis

    PDF

    What thermal imaging can show, what it cannot prove on its own, and how it supports wider investigation.

    PDF available

    Open PDF

    Three Moisture Mechanisms

    PDF

    A concise technical briefing on the different mechanisms that can create damp symptoms.

    PDF available

    Open PDF

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    Why clients come to us
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    Independent

    Advice

    No treatment-led sales

    Evidence-led

    Diagnosis

    Moisture profiling and building analysis

    Specialist

    Cases

    Often instructed after failed or unclear previous advice