Belmont, Greater London
Condensation and mould ventilation fixes in Belmont
We find why the house is wet and fix the ventilation, rather than painting over mould. Covering Belmont and SM1, SM2 and SM7.
- From £525 inc VAT per fan
- Free survey
For tenants, landlords and homeowners in Belmont, the common question is why the mould keeps coming back.
Work in Belmont follows the rules for England and finishes with a written record of what was fitted and how it was set up.
Condensation and mould fixes in Belmont at a glance
- Town
- Belmont, Greater London
- Postcode districts
- SM1, SM2 and SM7
- Nearby
- Sutton (under a mile), Banstead (2 miles) and Cheam (2 miles)
- Price region
- London
- Survey
- Free survey (UK mainland)
What the work involves
If extract fans are weak, ducted into the loft or switched off, and windows stay shut in winter, that moisture settles on the coldest surfaces: window reveals, external corners, behind wardrobes and on bathroom ceilings. Mould needs that damp surface to grow.
Survey and findings
Humidity and surface readings, existing fans flow-tested, and a written list of causes and fixes.
Fan upgrades
Weak or loft-vented fans replaced and ducted outside, with humidity control.
Guide prices in Belmont
| Work | Guide price |
|---|---|
| Condensation and mould ventilation survey with written findings (per home) | £150–£270 inc VAT |
| New ducted fan to outside through the loft or ceiling (insulated duct, roof or soffit outlet) (per fan) | £525–£900 inc VAT |
| Positive input ventilation (PIV) loft unit, supplied and fitted (per home) | £950–£1,675 inc VAT |
These ranges use our London rates. Prices include VAT at 20%. You get a fixed written price before any work is booked.
When to get it looked at
- Black mould on window reveals, ceilings or behind furniture
- Water running down windows on cold mornings
- Musty smell in bedrooms or wardrobes
Rules that apply in England
In England, ventilation is covered by Part F of the Building Regulations and its guidance, Approved Document F (2021 edition). Serious damp and mould is a hazard under the Housing Health and Safety Rating System, and social landlords now have fixed timescales under Awaab's Law.
Questions from Belmont
Is the survey free in Belmont?
For new installations on the UK mainland, yes. The survey is free and the quote that follows is fixed and in writing. Servicing, testing and repair visits are charged, and we confirm the cost before booking.
Can you tell if it is rising damp?
We can tell you when the pattern does not look like condensation, such as a tide mark low on a wall or damp that appears after rain, and point you to the right specialist.
What is the main cause of condensation in a house?
The main cause is moisture from everyday living, such as showers, cooking and drying clothes, that is not being extracted, combined with cold surfaces where it condenses. Poor or failed extract fans are a very common cause.
How do I get a price for a condensation fix in Belmont?
Use the guide price tool, the form on this page, live chat, WhatsApp or call 0800 088 6341. A postcode and a couple of photos help us give you a useful answer first time.
What area around Belmont do you work in?
All of Greater London. Near Belmont that includes Sutton, Banstead, Cheam and Ewell.
Send us photos of the mould and your fans and we will give a first view for your Belmont home.
Condensation and mould fixes near Belmont
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Answer a few questions for a price range, or send photos and we will come back to you with a written quote.