Haslemere, Surrey
Positive input ventilation (PIV) in Haslemere
Loft or wall units that gently push filtered air into the home to tackle condensation. Covering Haslemere and GU26, GU27 and GU30.
- From £875 inc VAT per home
- Free survey
If your Haslemere flat has no loft, a wall-mounted PIV unit does the same job through an outside wall.
For positive input ventilation (PIV) in Haslemere, send us the postcode, a few photos and a rough idea of the rooms involved. We will tell you what we would fit and roughly what it costs before arranging a visit.
PIV in Haslemere at a glance
- Town
- Haslemere, Surrey
- Postcode districts
- GU26, GU27 and GU30
- Nearby
- Bordon (7 miles), Godalming (8 miles) and Farnham (10 miles)
- Price region
- South East
- Survey
- Free survey (UK mainland)
What the work involves
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 Haslemere
| 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.
Signs it is time to call us
- You have no loft but still need whole-flat ventilation (wall unit)
- Streaming windows on most mornings in winter
- Black mould on window reveals and in corners of bedrooms
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 Haslemere
Is the survey free in Haslemere?
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.
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.
How do I get a price for a PIV unit in Haslemere?
Use the guide price tool, the form on this page, live chat, WhatsApp or call 0800 088 6341. A postcode and a couple of photos help us give you a useful answer first time.
What area around Haslemere do you work in?
All of Surrey. Near Haslemere that includes Bordon, Godalming, Farnham and Hale.
We will check the existing fans in your Haslemere home at the same visit, because PIV works best with them working.
PIV near Haslemere
More services in Haslemere
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.