Chertsey, Surrey
Positive input ventilation (PIV) in Chertsey
Loft or wall units that gently push filtered air into the home to tackle condensation. Covering Chertsey and KT15, KT16 and TW17.
- From £875 inc VAT per home
- Free survey
If your Chertsey flat has no loft, a wall-mounted PIV unit does the same job through an outside wall.
Customers in Chertsey can get a guide price online in a couple of minutes. It uses South East rates, which is what we would charge for the same job anywhere in Surrey. The survey is free for new installations on the UK mainland, and the quote that follows is fixed and in writing.
PIV in Chertsey at a glance
- Town
- Chertsey, Surrey
- Postcode districts
- KT15, KT16 and TW17
- Nearby
- Addlestone (1 mile), Weybridge (2 miles) and Shepperton (3 miles)
- Price region
- South East
- Survey
- Free survey (UK mainland)
PIV for Chertsey homes
Flats without a loft use a wall-mounted unit that draws air from outside through a cored hole. PIV works well in houses and flats with general condensation on windows and cold walls.
Wall-mounted PIV for flats
Draws air from outside through an outside wall. Suits flats and homes with no loft space.
PIV with fan upgrades
PIV plus humidity-controlled extract fans in the kitchen and bathroom for the most stubborn condensation.
Guide prices in Chertsey
| Work | Guide price |
|---|---|
| Positive input ventilation (PIV) loft unit, supplied and fitted (per home) | £875–£1,525 inc VAT |
| Wall-mounted PIV unit for a flat (core drilled through an outside wall) (per flat) | £1,100–£1,875 inc VAT |
| Heater module or heated PIV unit (extra over a standard unit) (extra) | £160–£325 inc VAT |
Guide prices using South East 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
- The house feels stuffy and damp rather than cold
- Washing dried indoors makes everything worse
- You have no loft but still need whole-flat ventilation (wall unit)
Rules that apply in England
English building work follows Approved Document F (2021 edition) for ventilation rates, installation and commissioning. It sets extract rates for kitchens, bathrooms and utilities and asks for mechanical ventilation to be commissioned and recorded.
Questions from Chertsey
Do you cover Chertsey and nearby?
Yes. We cover Chertsey and nearby places including Addlestone, Weybridge, Shepperton and Staines. Send your postcode and we will confirm.
Will PIV make my house cold?
Most units temper or reduce the flow when the incoming air is cold, and a heated unit warms it. Placed correctly on the landing, the air spreads gently rather than blowing on anyone.
Can PIV be fitted in a flat?
Yes. Flats without loft space use a wall-mounted PIV unit that draws air from outside through an outside wall.
What is the price of a PIV unit in Chertsey?
Guide prices for Chertsey use South East rates: positive input ventilation (PIV) loft unit, supplied and fitted is typically £875 to £1,525 inc VAT per home. We confirm a fixed price in writing before any work starts.
Is the survey free in Chertsey?
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.
Book a free Chertsey survey and we will say honestly whether PIV, extract fans or both are needed.
PIV near Chertsey
More services in Chertsey
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.