Bicester, Oxfordshire
Condensation and mould ventilation fixes in Bicester
We find why the house is wet and fix the ventilation, rather than painting over mould. Covering Bicester and OX6, OX25 and OX26.
- From £490 inc VAT per fan
- Free survey

For Bicester homes with streaming windows every morning, the fix is usually cheaper than people expect.
For condensation and mould ventilation fixes in Bicester, 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 Bicester at a glance
- Town
- Bicester, Oxfordshire
- Postcode districts
- OX6, OX25 and OX26
- Nearby
- Kidlington (8 miles), Brackley (9 miles) and Buckingham (10 miles)
- Price region
- South East
- Survey
- Free survey (UK mainland)
Condensation and mould fixes for Bicester homes
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.
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 Bicester
| Work | Guide price |
|---|---|
| Positive input ventilation (PIV) loft unit, supplied and fitted (per home) | £875–£1,525 inc VAT |
| Continuous-running extract fan (dMEV) with humidity boost, flow tested (per fan) | £380–£650 inc VAT |
| Condensation and mould ventilation survey with written findings (per home) | £140–£250 inc VAT |
These ranges use our South East rates. Prices include VAT at 20%. You get a fixed written price before any work is booked.
Common reasons people call
- 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 Bicester
What area around Bicester do you work in?
All of Oxfordshire. Near Bicester that includes Kidlington, Brackley, Buckingham and Oxford.
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.
Do you cover Bicester and nearby?
Yes. We cover Bicester and nearby places including Kidlington, Brackley, Buckingham and Oxford. Send your postcode and we will confirm.
What is the price of a condensation fix in Bicester?
Guide prices for Bicester use South East rates: new ducted fan to outside through the loft or ceiling (insulated duct, roof or soffit outlet) is typically £490 to £825 inc VAT per fan. We confirm a fixed price in writing before any work starts.
Book a condensation survey in Bicester and get a written list of causes and fixes.
Condensation and mould fixes near Bicester
More services in Bicester
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.