Lancaster Gate, Greater London
Condensation and mould ventilation fixes in Lancaster Gate
We find why the house is wet and fix the ventilation, rather than painting over mould. Covering Lancaster Gate and W2, W9 and W11.
- From £525 inc VAT per fan
- Free survey

We survey Lancaster Gate homes for condensation with meters, not guesswork, and explain what we find.
For condensation and mould ventilation fixes in Lancaster Gate, send us the postcode, a few photos and a rough idea of the rooms involved. We will tell you what we would fit and roughly what it costs before arranging a visit.
Condensation and mould fixes in Lancaster Gate at a glance
- Town
- Lancaster Gate, Greater London
- Postcode districts
- W2, W9 and W11
- Nearby
- Bayswater (under a mile), Hyde Park (1 mile) and Westbourne (1 mile)
- Price region
- London
- Survey
- Free survey (UK mainland)
Condensation and mould fixes for Lancaster Gate homes
A typical family puts several litres of water into the air every day. 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.
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 Lancaster Gate
| Work | Guide price |
|---|---|
| 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 |
| Continuous-running extract fan (dMEV) with humidity boost, flow tested (per fan) | £415–£725 inc VAT |
These ranges use our London rates. Prices include VAT at 20%. You get a fixed written price before any work is booked.
Common reasons people call
- Musty smell in bedrooms or wardrobes
- Peeling paint or wallpaper in bathrooms
- Damp patches that dry out in summer and return in winter
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). Damp and mould is assessed as a hazard under the Housing Health and Safety Rating System in England.
Questions from Lancaster Gate
What is the price of a condensation fix in Lancaster Gate?
Guide prices for Lancaster Gate use London rates: new ducted fan to outside through the loft or ceiling (insulated duct, roof or soffit outlet) is typically £525 to £900 inc VAT per fan. We confirm a fixed price in writing before any work starts.
How much does a condensation survey cost?
A ventilation survey with written findings costs £125 to £225 including VAT. If we are surveying for an installation we quote for, the survey is free.
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.
Is the survey free in Lancaster Gate?
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.
How do I get a price for a condensation fix in Lancaster Gate?
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.
If we fit the fix, the Lancaster Gate survey is free.
Condensation and mould fixes near Lancaster Gate
More services in Lancaster Gate
Get a guide price in two minutes
Answer a few questions for a price range, or send photos and we will come back to you with a written quote.