Carterton, Oxfordshire
Condensation and mould ventilation fixes in Carterton
We find why the house is wet and fix the ventilation, rather than painting over mould. Covering Carterton and OX18 and OX28.
- From £490 inc VAT per fan
- Free survey

We survey Carterton homes for condensation with meters, not guesswork, and explain what we find.
We cover Carterton and the surrounding OX18 and OX28 postcodes as part of our work across Oxfordshire. We survey first, free of charge for new installations on the mainland, then send a fixed written quote.
Condensation and mould fixes in Carterton at a glance
- Town
- Carterton, Oxfordshire
- Postcode districts
- OX18 and OX28
- Nearby
- Witney (5 miles), Kidlington (14 miles) and Wantage (14 miles)
- Price region
- South East
- Survey
- Free survey (UK mainland)
What the work involves
Mould needs that damp surface to grow. Ventilation is usually the biggest part of the cure, but not the only part.
Fan upgrades
Weak or loft-vented fans replaced and ducted outside, with humidity control.
Whole-home ventilation
PIV, continuous extract or MVHR where moisture is spread through the house.
Guide prices in Carterton
| Work | Guide price |
|---|---|
| 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 |
| New ducted fan to outside through the loft or ceiling (insulated duct, roof or soffit outlet) (per fan) | £490–£825 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
- Someone in the home with asthma or allergies made worse by damp
- Black mould on window reveals, ceilings or behind furniture
- Water running down windows on cold mornings
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 Carterton
What is the price of a condensation fix in Carterton?
Guide prices for Carterton 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.
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 Carterton?
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 Carterton?
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 Carterton survey is free.
Condensation and mould fixes near Carterton
More services in Carterton
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.