Thetford, Norfolk
Positive input ventilation (PIV) in Thetford
Loft or wall units that gently push filtered air into the home to tackle condensation. Covering Thetford and IP24.
- From £825 inc VAT per home
- Free survey
We fit loft and wall-mounted PIV units across Thetford, after checking the house first.
For positive input ventilation (PIV) in Thetford, 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 Thetford at a glance
- Town
- Thetford, Norfolk
- Postcode districts
- IP24
- Nearby
- Mildenhall (11 miles), Bury St Edmunds (12 miles) and Attleborough (13 miles)
- Price region
- East of England
- 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.
Heated PIV
A heater module tempers the incoming air in cold weather. Useful in homes where people feel draughts.
Wall-mounted PIV for flats
Draws air from outside through an outside wall. Suits flats and homes with no loft space.
Guide prices in Thetford
| Work | Guide price |
|---|---|
| Positive input ventilation (PIV) loft unit, supplied and fitted (per home) | £825–£1,475 inc VAT |
| Wall-mounted PIV unit for a flat (core drilled through an outside wall) (per flat) | £1,050–£1,775 inc VAT |
| Heater module or heated PIV unit (extra over a standard unit) (extra) | £150–£310 inc VAT |
Guide prices using East of England 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
- Streaming windows on most mornings in winter
- Black mould on window reveals and in corners of bedrooms
- Musty smell in wardrobes or behind furniture
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 Thetford
Do you cover Thetford and nearby?
Yes. We cover Thetford and nearby places including Mildenhall, Bury St Edmunds, Attleborough and Diss. Send your postcode and we will confirm.
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.
What is the price of a PIV unit in Thetford?
Guide prices for Thetford use East of England rates: positive input ventilation (PIV) loft unit, supplied and fitted is typically £825 to £1,475 inc VAT per home. We confirm a fixed price in writing before any work starts.
Is the survey free in Thetford?
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.
Most Thetford PIV jobs are done in half a day, so ask about the next available date.
PIV near Thetford
More services in Thetford
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.