Home ventilation, Bedfordshire
Positive input ventilation (PIV) in Bedfordshire
Loft or wall units that gently push filtered air into the home to tackle condensation, across Bedfordshire.
- From £825 inc VAT per home
- Free survey
We fit loft and wall-mounted PIV units across Bedfordshire, after checking the house first.
Every job in Bedfordshire gets a written quote before it starts and a commissioning record when it finishes. We cover Biggleswade, Flitwick, Luton, Bedford and Dunstable and the villages around them.
PIV in Bedfordshire at a glance
- Area
- Bedfordshire
- Towns listed
- 10, largest Luton
- Postcode districts
- SG15, SG16, SG18, SG19, LU1 and LU2
- Price region
- East of England
- Survey
- Free survey (UK mainland)
How we do it
Loft air is usually a little warmer and drier than outside air, and the unit filters it before it comes down into the house. Many units have a temperature sensor that reduces the flow or switches to a heater module on cold days, so the incoming air does not feel like a draught. Flats without a loft use a wall-mounted unit that draws air from outside through a cored hole.
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.
PIV with fan upgrades
PIV plus humidity-controlled extract fans in the kitchen and bathroom for the most stubborn condensation.
Guide prices in Bedfordshire
| 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 |
East of England 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
- You have no loft but still need whole-flat ventilation (wall unit)
- Streaming windows on most mornings in winter
- Black mould on window reveals and in corners of bedrooms
Rules 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.
How the job runs
- Survey
- Fixed quote
- Install
- Set up
- Hand over
Towns we cover in Bedfordshire
Questions about positive input ventilation (PIV) in Bedfordshire
Which rules apply to ventilation in Bedfordshire?
In England, ventilation in new and altered homes is covered by Approved Document F of the Building Regulations. Landlords also have duties under the Housing Health and Safety Rating System, and workplaces must be ventilated under the Workplace (Health, Safety and Welfare) Regulations 1992.
Will PIV make my house cold?
Most units temper or reduce the flow when the incoming air is cold, and a heated unit warms it. Placed correctly on the landing, the air spreads gently rather than blowing on anyone.
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.
Which towns in Bedfordshire do you cover?
All of Bedfordshire, including Biggleswade, Flitwick, Luton, Bedford and Dunstable. If your town is not listed, send the postcode and we will confirm.
Are prices different in Bedfordshire?
Our guide prices are adjusted by region. In Bedfordshire we use East of England rates, so positive input ventilation (PIV) loft unit, supplied and fitted is typically £825 to £1,475 inc VAT per home.
Tell us whether your Bedfordshire home has a loft and we can price a PIV unit before visiting.
Other services in Bedfordshire
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.