High Wycombe, Buckinghamshire
Positive input ventilation (PIV) in High Wycombe
Loft or wall units that gently push filtered air into the home to tackle condensation. Covering High Wycombe and HP11, HP12 and HP13.
- From £875 inc VAT per home
- Free survey
If your High Wycombe flat has no loft, a wall-mounted PIV unit does the same job through an outside wall.
Customers in High Wycombe 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 Buckinghamshire. The survey is free for new installations on the UK mainland, and the quote that follows is fixed and in writing.
PIV in High Wycombe at a glance
- Town
- High Wycombe, Buckinghamshire
- Postcode districts
- HP11, HP12 and HP13
- Nearby
- Marlow (4 miles), Beaconsfield (4 miles) and Amersham (6 miles)
- Price region
- South East
- Survey
- Free survey (UK mainland)
PIV for High Wycombe 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 High Wycombe
| 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 High Wycombe
Do you cover High Wycombe and nearby?
Yes. We cover High Wycombe and nearby places including Marlow, Beaconsfield, Amersham and Amersham on the Hill. Send your postcode and we will confirm.
How long does PIV installation take?
A loft unit is normally fitted in two to four hours, including the diffuser and electrical connection.
How much does PIV cost to install?
A loft-mounted PIV unit usually costs £795 to £1,395 including VAT supplied and fitted, and £995 to £1,695 for a wall-mounted unit in a flat. A heater module adds around £145 to £295.
What is the price of a PIV unit in High Wycombe?
Guide prices for High Wycombe 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 High Wycombe?
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.
We will check the existing fans in your High Wycombe home at the same visit, because PIV works best with them working.
PIV near High Wycombe
More services in High Wycombe
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.