Exeter, Devon
Positive input ventilation (PIV) in Exeter
Loft or wall units that gently push filtered air into the home to tackle condensation. Covering Exeter and EX1, EX2, EX3 and EX4.
- From £825 inc VAT per home
- Free survey
PIV can suit Exeter houses and flats because it treats the whole home from one quiet unit.
Work in Exeter follows the rules for England and finishes with a written record of what was fitted and how it was set up.
PIV in Exeter at a glance
- Town
- Exeter, Devon
- Postcode districts
- EX1, EX2, EX3 and EX4
- Nearby
- Heavitree (1 mile), Exmouth (9 miles) and Dawlish (10 miles)
- Price region
- South West
- Survey
- Free survey (UK mainland)
How we approach PIV in Exeter
It does not replace extract fans: kitchens and bathrooms still need their own extract to remove steam at source. On survey we check the loft, the landing position and the existing fans, and we tell you if PIV is not the right answer.
PIV with fan upgrades
PIV plus humidity-controlled extract fans in the kitchen and bathroom for the most stubborn condensation.
Loft-mounted PIV
The most common option for houses with a loft. Usually fitted in half a day.
Guide prices in Exeter
| 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 |
South West rates shown. Prices include VAT at 20%. The fixed price is confirmed in writing after we have seen the job.
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. It sets extract rates for kitchens, bathrooms and utilities and asks for mechanical ventilation to be commissioned and recorded.
Questions from Exeter
What area around Exeter do you work in?
All of Devon. Near Exeter that includes Heavitree, Exmouth, Dawlish and Kingsteignton.
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.
Does PIV really stop condensation?
PIV reduces condensation in most homes because it dilutes moist air and keeps it moving, but it works best alongside working extract fans in the kitchen and bathroom. Leaks, rising damp or a cold bridge need fixing separately.
Do you cover Exeter and nearby?
Yes. We cover Exeter and nearby places including Heavitree, Exmouth, Dawlish and Kingsteignton. Send your postcode and we will confirm.
What is the price of a PIV unit in Exeter?
Guide prices for Exeter 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.
Tell us whether your Exeter home has a loft and we can price a PIV unit before visiting.
PIV near Exeter
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