Addlestone, Surrey
Positive input ventilation (PIV) in Addlestone
Loft or wall units that gently push filtered air into the home to tackle condensation. Covering Addlestone and KT13, KT15 and KT16.
- From £875 inc VAT per home
- Free survey
PIV can suit Addlestone houses and flats because it treats the whole home from one quiet unit.
Work in Addlestone follows the rules for England and finishes with a written record of what was fitted and how it was set up.
PIV in Addlestone at a glance
- Town
- Addlestone, Surrey
- Postcode districts
- KT13, KT15 and KT16
- Nearby
- Chertsey (1 mile), Weybridge (2 miles) and Shepperton (2 miles)
- Price region
- South East
- Survey
- Free survey (UK mainland)
PIV for Addlestone 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 Addlestone
| 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 |
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
- Musty smell in wardrobes or behind furniture
- The house feels stuffy and damp rather than cold
- Washing dried indoors makes everything worse
Rules that apply in England
English building work follows Approved Document F (2021 edition) for ventilation rates, installation and commissioning. For homes, it sets minimum extract rates such as 15 litres a second for a bathroom and 30 or 60 for a kitchen, and expects mechanical systems to be airflow-tested.
Questions from Addlestone
Do you cover Addlestone and nearby?
Yes. We cover Addlestone and nearby places including Chertsey, Weybridge, Shepperton and Walton-on-Thames. Send your postcode and we will confirm.
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.
How long does PIV installation take?
A loft unit is normally fitted in two to four hours, including the diffuser and electrical connection.
What is the price of a PIV unit in Addlestone?
Guide prices for Addlestone 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 Addlestone?
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 Addlestone survey and we will say honestly whether PIV, extract fans or both are needed.
PIV near Addlestone
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