Ventilation, Damp and Mould Risk Check for a Renovation Plan

Check plans for moisture problems.

Added October 15, 2026. Written with AI assistance and checked for clarity and placeholders; not reviewed by a lawyer, accountant, clinician or other professional. How these prompts are made

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Review moisture risk. Description of the rooms, existing damp or mould signs, planned works and ventilation: [MOISTURE_DETAILS].

Check whether the plan may trap moisture (sealing without ventilation, wrong paint or plaster, blocked airbricks), whether sources have been found, and whether a surveyor or specialist should be consulted. Do not diagnose; list questions and observations to take to a qualified professional [VERIFY].

Return a table of risks, questions for a specialist, and a monitoring plan using a hygrometer reading log.

Add a worked observation log: three weeks of hygrometer readings in the bedroom, 62, 68, 71 percent; black spots on the wall corner; the extractor fan not running. These are observations for a qualified professional such as a surveyor, not a diagnosis. Possible questions: Is there a leak? Is ventilation adequate? Will the planned works trap moisture? Keep photos with dates and note the weather. Do not paint over mould without advice.

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