Bayswater, Greater London
Condensation and mould ventilation fixes in Bayswater
We find why the house is wet and fix the ventilation, rather than painting over mould. Covering Bayswater and W2, W8 and W11.
- From £525 inc VAT per fan
- Free survey

Mould in a Bayswater bedroom or bathroom is almost always a ventilation problem first.
For condensation and mould ventilation fixes in Bayswater, 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 Bayswater at a glance
- Town
- Bayswater, Greater London
- Postcode districts
- W2, W8 and W11
- Nearby
- Lancaster Gate (under a mile), Hyde Park (1 mile) and Westbourne (1 mile)
- Price region
- London
- Survey
- Free survey (UK mainland)
Condensation and mould fixes for Bayswater 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.
Mould treatment advice
How to clean and treat affected areas once the cause is fixed.
Survey and findings
Humidity and surface readings, existing fans flow-tested, and a written list of causes and fixes.
Guide prices in Bayswater
| 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 |
Guide prices using London rates. Prices include VAT at 20%. A guide price is not a quote: we confirm a fixed price in writing first.
Signs it is time to call us
- Water running down windows on cold mornings
- Musty smell in bedrooms or wardrobes
- Peeling paint or wallpaper in bathrooms
Rules that apply in England
English building work follows Approved Document F (2021 edition) for ventilation rates, installation and commissioning. Damp and mould is assessed as a hazard under the Housing Health and Safety Rating System in England.
Questions from Bayswater
What area around Bayswater do you work in?
All of Greater London. Near Bayswater that includes Lancaster Gate, Hyde Park, Westbourne and Little Venice.
Is PIV or MVHR better for condensation?
For most existing homes with general condensation, PIV plus good extract fans is the most cost-effective fix. MVHR suits airtight, well-insulated homes and full renovations.
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.
Do you cover Bayswater and nearby?
Yes. We cover Bayswater and nearby places including Lancaster Gate, Hyde Park, Westbourne and Little Venice. Send your postcode and we will confirm.
What is the price of a condensation fix in Bayswater?
Guide prices for Bayswater 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.
Ask for a Bayswater visit and we will test your existing fans before recommending anything.
Condensation and mould fixes near Bayswater
More services in Bayswater
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.