Poole, Dorset
Positive input ventilation (PIV) in Poole
Loft or wall units that gently push filtered air into the home to tackle condensation. Covering Poole and BH14, BH15 and BH17.
- From £825 inc VAT per home
- Free survey
PIV can suit Poole houses and flats because it treats the whole home from one quiet unit.
Poole is about 127 miles from our base in Great Barr, Birmingham. We book Poole visits by appointment and confirm the date in writing. We survey first, free of charge for new installations on the mainland, then send a fixed written quote.
PIV in Poole at a glance
- Town
- Poole, Dorset
- Postcode districts
- BH14, BH15 and BH17
- Nearby
- Canford Heath (3 miles), Broadstone (3 miles) and Bournemouth (5 miles)
- Price region
- South West
- Survey
- Free survey (UK mainland)
How we approach PIV in Poole
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 Poole
| Work | Guide price |
|---|---|
| Positive input ventilation (PIV) loft unit, supplied and fitted (per home) | £825–£1,450 inc VAT |
| Wall-mounted PIV unit for a flat (core drilled through an outside wall) (per flat) | £1,025–£1,775 inc VAT |
| Heater module or heated PIV unit (extra over a standard unit) (extra) | £150–£305 inc VAT |
These ranges use our South West rates. Prices include VAT at 20%. You get a fixed written price before any work is booked.
Common reasons people call
- 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
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 Poole
What area around Poole do you work in?
All of Dorset. Near Poole that includes Canford Heath, Broadstone, Bournemouth and Wimborne Minster.
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.
Do you cover Poole and nearby?
Yes. We cover Poole and nearby places including Canford Heath, Broadstone, Bournemouth and Wimborne Minster. Send your postcode and we will confirm.
What is the price of a PIV unit in Poole?
Guide prices for Poole use South West rates: positive input ventilation (PIV) loft unit, supplied and fitted is typically £825 to £1,450 inc VAT per home. We confirm a fixed price in writing before any work starts.
Send a photo of your loft hatch area and landing ceiling for a quicker Poole quote.
PIV near Poole
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Answer a few questions for a price range, or send photos and we will come back to you with a written quote.