Little Venice, Greater London
Positive input ventilation (PIV) in Little Venice
Loft or wall units that gently push filtered air into the home to tackle condensation. Covering Little Venice and NW8, W2 and W9.
- From £950 inc VAT per home
- Free survey
We fit loft and wall-mounted PIV units across Little Venice, after checking the house first.
For positive input ventilation (PIV) in Little Venice, 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 Little Venice at a glance
- Town
- Little Venice, Greater London
- Postcode districts
- NW8, W2 and W9
- Nearby
- Maida Hill (under a mile), Church Street (under a mile) and Marylebone (1 mile)
- Price region
- London
- Survey
- Free survey (UK mainland)
How we approach PIV in Little Venice
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.
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 Little Venice
| Work | Guide price |
|---|---|
| Positive input ventilation (PIV) loft unit, supplied and fitted (per home) | £950–£1,675 inc VAT |
| Wall-mounted PIV unit for a flat (core drilled through an outside wall) (per flat) | £1,200–£2,025 inc VAT |
| Heater module or heated PIV unit (extra over a standard unit) (extra) | £175–£355 inc VAT |
Guide prices using London rates. Prices include VAT at 20%. A guide price is not a quote: we confirm a fixed price in writing first.
Common reasons people call
- Black mould on window reveals and in corners of bedrooms
- Musty smell in wardrobes or behind furniture
- The house feels stuffy and damp rather than cold
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). It sets extract rates for kitchens, bathrooms and utilities and asks for mechanical ventilation to be commissioned and recorded.
Questions from Little Venice
What is the price of a PIV unit in Little Venice?
Guide prices for Little Venice use London rates: positive input ventilation (PIV) loft unit, supplied and fitted is typically £950 to £1,675 inc VAT per home. We confirm a fixed price in writing before any work starts.
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.
Is the survey free in Little Venice?
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 do I get a price for a PIV unit in Little Venice?
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.
We will check the existing fans in your Little Venice home at the same visit, because PIV works best with them working.
PIV near Little Venice
More services in Little Venice
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.