Kempston, Bedfordshire
Condensation and mould ventilation fixes in Kempston
We find why the house is wet and fix the ventilation, rather than painting over mould. Covering Kempston and MK40, MK42 and MK43.
- From £465 inc VAT per fan
- Free survey

In Kempston homes, black mould usually comes down to the same few causes: weak fans, loft-vented ducts and no background ventilation.
Kempston is about 67 miles from our base in Great Barr, Birmingham. We book Kempston visits by appointment and confirm the date in writing. Surveys for new installations are free on the UK mainland, with a written quote afterwards.
Condensation and mould fixes in Kempston at a glance
- Town
- Kempston, Bedfordshire
- Postcode districts
- MK40, MK42 and MK43
- Nearby
- Bedford (2 miles), Ampthill (6 miles) and Flitwick (8 miles)
- Price region
- East of England
- Survey
- Free survey (UK mainland)
How we approach condensation and mould fixes in Kempston
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 Kempston
| Work | Guide price |
|---|---|
| Continuous-running extract fan (dMEV) with humidity boost, flow tested (per fan) | £360–£625 inc VAT |
| Condensation and mould ventilation survey with written findings (per home) | £130–£235 inc VAT |
| New ducted fan to outside through the loft or ceiling (insulated duct, roof or soffit outlet) (per fan) | £465–£775 inc VAT |
These ranges use our East of England rates. Prices include VAT at 20%. You get a fixed written price before any work is booked.
When to get it looked at
- Peeling paint or wallpaper in bathrooms
- Damp patches that dry out in summer and return in winter
- Someone in the home with asthma or allergies made worse by damp
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 Kempston
What area around Kempston do you work in?
All of Bedfordshire. Near Kempston that includes Bedford, Ampthill, Flitwick and Sandy.
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.
Do you cover Kempston and nearby?
Yes. We cover Kempston and nearby places including Bedford, Ampthill, Flitwick and Sandy. Send your postcode and we will confirm.
What is the price of a condensation fix in Kempston?
Guide prices for Kempston use East of England rates: new ducted fan to outside through the loft or ceiling (insulated duct, roof or soffit outlet) is typically £465 to £775 inc VAT per fan. We confirm a fixed price in writing before any work starts.
If we fit the fix, the Kempston survey is free.
Condensation and mould fixes near Kempston
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