Basingstoke, Hampshire
Positive input ventilation (PIV) in Basingstoke
Loft or wall units that gently push filtered air into the home to tackle condensation. Covering Basingstoke and RG21, RG22, RG23 and RG24.
- From £875 inc VAT per home
- Free survey
Condensation in Basingstoke homes usually has one of two answers: better extract fans, or PIV as well.
For positive input ventilation (PIV) in Basingstoke, 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 Basingstoke at a glance
- Town
- Basingstoke, Hampshire
- Postcode districts
- RG21, RG22, RG23 and RG24
- Nearby
- Tadley (6 miles), Alton (9 miles) and Fleet (11 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 Basingstoke
| 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 |
South East rates shown. Prices include VAT at 20%. The fixed price is confirmed in writing after we have seen the job.
When to get it looked at
- Washing dried indoors makes everything worse
- You have no loft but still need whole-flat ventilation (wall unit)
- Streaming windows on most mornings in winter
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). 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 Basingstoke
Is the survey free in Basingstoke?
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.
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.
How do I get a price for a PIV unit in Basingstoke?
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 Basingstoke do you work in?
All of Hampshire. Near Basingstoke that includes Tadley, Alton, Fleet and Thatcham.
Most Basingstoke PIV jobs are done in half a day, so ask about the next available date.
PIV near Basingstoke
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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.