Cowes, Isle of Wight
Condensation and mould ventilation fixes in Cowes
We find why the house is wet and fix the ventilation, rather than painting over mould. Covering Cowes and PO30, PO31 and PO32.
- From £490 inc VAT per fan
- By arrangement

In Cowes, condensation and mould are usually at their worst between October and March.
We cover Cowes and the surrounding PO30, PO31 and PO32 postcodes as part of our work across the Isle of Wight. Visits here are by arrangement: we quote travel separately and in writing before you commit.
Condensation and mould fixes in Cowes at a glance
- Town
- Cowes, Isle of Wight
- Postcode districts
- PO30, PO31 and PO32
- Nearby
- Newport (4 miles), Ryde (6 miles) and Sandown (10 miles)
- Price region
- South East
- Survey
- By arrangement, travel quoted first
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 Cowes
| Work | Guide price |
|---|---|
| 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 |
| Positive input ventilation (PIV) loft unit, supplied and fitted (per home) | £875–£1,525 inc VAT |
South East rates shown. Prices include VAT at 20%. The fixed price is confirmed in writing after we have seen the job. Travel is quoted separately for this area.
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
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 Cowes
What area around Cowes do you work in?
All of the Isle of Wight. Near Cowes that includes Newport, Ryde and Sandown.
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.
Do you cover Cowes and nearby?
Yes. We cover Cowes and nearby places including Newport, Ryde and Sandown. Send your postcode and we will confirm.
What is the price of a condensation fix in Cowes?
Guide prices for Cowes 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.
Ask for a Cowes visit and we will test your existing fans before recommending anything.
Condensation and mould fixes near Cowes
More services in Cowes
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