Sample report
Damp and mould report, example extract
An independent inspection that finds the cause, not just the stain. Readings in every room, photographs, a likely cause in plain English and a repair plan. SML does not sell or install damp treatments, so the advice is impartial.
1. Property and inspection
| Report reference | SML EX DM 001 |
| Property | Two storey mid terrace house, solid brick, about 1930 (fictional) |
| Client | Example Lettings Ltd, on behalf of the landlord |
| Weather on the day | Overcast, light rain overnight. Outside 9.5 °C, 86% relative humidity |
| Equipment | Pin moisture meter, thermometer and hygrometer, camera |
| Prepared by | Surveyor |
2. Summary of findings
Black mould was found on the external wall of the rear bedroom, mainly in the corner behind the wardrobe and around the window reveal, about 0.8 square metres in total. Humidity in that room was 74% with the window closed. Wall readings were high only at the surface where the mould was, and normal elsewhere. There were no tide marks, no salts and no pattern rising from the floor.
Likely cause: condensation. Moisture from cooking, bathing and drying clothes is not being removed. The bathroom has no working extractor fan and the bedroom trickle vents are closed and partly painted over. A wardrobe tight against the cold external wall stops air moving, so that corner stays cold and damp.
Hazard: damp and mould growth under HHSRS. Landlord action recommended within 14 days, with a recheck after about six weeks.
3. Readings extract
| Room | Air °C | RH % | Walls | Mould |
|---|---|---|---|---|
| Bedroom 2 (rear) | 15.0 | 74 | External corner and window reveal high. Internal wall normal | Yes |
| Bathroom | 17.5 | 81 after shower | Normal | Light spotting on sealant |
| Bedroom 1 (front) | 17.0 | 62 | Normal | No |
| Kitchen | 18.5 | 65 | Normal. Cooker hood recirculates only | No |
4. Recommended repairs, in order
- Fit a humidity controlled extractor fan in the bathroom, ducted outside.
- Free up and clean the bedroom trickle vents so they open properly.
- Treat the mould with a fungicidal wash, let the wall dry, then redecorate with a mould resistant paint.
- Ask the tenant to keep the wardrobe a little away from the external wall, and give simple written advice on ventilation.
- Recheck readings after about six weeks of heating season.
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