Denton, Greater Manchester
Positive input ventilation (PIV) in Denton
Loft or wall units that gently push filtered air into the home to tackle condensation. Covering Denton and M34, SK5 and SK16.
- From £750 inc VAT per home
- Free survey
We fit loft and wall-mounted PIV units across Denton, after checking the house first.
Work in Denton follows the rules for England and finishes with a written record of what was fitted and how it was set up.
PIV in Denton at a glance
- Town
- Denton, Greater Manchester
- Postcode districts
- M34, SK5 and SK16
- Nearby
- Hyde (2 miles), Dukinfield (2 miles) and Droylsden (2 miles)
- Price region
- North West
- Survey
- Free survey (UK mainland)
PIV for Denton homes
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.
Loft-mounted PIV
The most common option for houses with a loft. Usually fitted in half a day.
Heated PIV
A heater module tempers the incoming air in cold weather. Useful in homes where people feel draughts.
Guide prices in Denton
| Work | Guide price |
|---|---|
| Positive input ventilation (PIV) loft unit, supplied and fitted (per home) | £750–£1,325 inc VAT |
| Wall-mounted PIV unit for a flat (core drilled through an outside wall) (per flat) | £950–£1,600 inc VAT |
| Heater module or heated PIV unit (extra over a standard unit) (extra) | £140–£280 inc VAT |
These ranges use our North West rates. Prices include VAT at 20%. You get a fixed written price before any work is booked.
Common reasons people call
- Washing dried indoors makes everything worse
- You have no loft but still need whole-flat ventilation (wall unit)
- Streaming windows on most mornings in winter
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 Denton
Do you cover Denton and nearby?
Yes. We cover Denton and nearby places including Hyde, Dukinfield, Droylsden and Ashton-under-Lyne. Send your postcode and we will confirm.
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.
What is the price of a PIV unit in Denton?
Guide prices for Denton use North West rates: positive input ventilation (PIV) loft unit, supplied and fitted is typically £750 to £1,325 inc VAT per home. We confirm a fixed price in writing before any work starts.
Is the survey free in Denton?
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.
Book a free Denton survey and we will say honestly whether PIV, extract fans or both are needed.
PIV near Denton
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