Doncaster, South Yorkshire
Positive input ventilation (PIV) in Doncaster
Loft or wall units that gently push filtered air into the home to tackle condensation. Covering Doncaster and DN1, DN2 and DN4.
- From £750 inc VAT per home
- Free survey
Condensation in Doncaster homes usually has one of two answers: better extract fans, or PIV as well.
Whether the property is in the middle of Doncaster or one of the villages around it, the process is the same: a look at the building, a written price, then fitting and testing on the agreed day.
PIV in Doncaster at a glance
- Town
- Doncaster, South Yorkshire
- Postcode districts
- DN1, DN2 and DN4
- Nearby
- Bentley (1 mile), Armthorpe (3 miles) and Kirk Sandall (4 miles)
- Price region
- Yorkshire
- Survey
- Free survey (UK mainland)
How we approach PIV in Doncaster
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 Doncaster
| Work | Guide price |
|---|---|
| Positive input ventilation (PIV) loft unit, supplied and fitted (per home) | £750–£1,300 inc VAT |
| Wall-mounted PIV unit for a flat (core drilled through an outside wall) (per flat) | £925–£1,600 inc VAT |
| Heater module or heated PIV unit (extra over a standard unit) (extra) | £135–£275 inc VAT |
These ranges use our Yorkshire rates. Prices include VAT at 20%. You get a fixed written price before any work is booked.
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 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 Doncaster
What is the price of a PIV unit in Doncaster?
Guide prices for Doncaster use Yorkshire rates: positive input ventilation (PIV) loft unit, supplied and fitted is typically £750 to £1,300 inc VAT per home. We confirm a fixed price in writing before any work starts.
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.
Is the survey free in Doncaster?
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 Doncaster?
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.
Tell us whether your Doncaster home has a loft and we can price a PIV unit before visiting.
PIV near Doncaster
More services in Doncaster
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.