Stockport, Greater Manchester
Positive input ventilation (PIV) in Stockport
Loft or wall units that gently push filtered air into the home to tackle condensation. Covering Stockport and SK1, SK3 and SK4.
- From £750 inc VAT per home
- Free survey
For a typical Stockport semi or terrace, a loft PIV unit is often the quickest way to dry the house out.
Whether the property is in the middle of Stockport 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 Stockport at a glance
- Town
- Stockport, Greater Manchester
- Postcode districts
- SK1, SK3 and SK4
- Nearby
- Bredbury (2 miles), Burnage (2 miles) and Hazel Grove (2 miles)
- Price region
- North West
- Survey
- Free survey (UK mainland)
What the work involves
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.
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 Stockport
| 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 |
Guide prices using North West rates. Prices include VAT at 20%. A guide price is not a quote: we confirm a fixed price in writing first.
When to get it looked at
- 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
English building work follows Approved Document F (2021 edition) for ventilation rates, installation and commissioning. 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 Stockport
Is the survey free in Stockport?
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.
Does PIV really stop condensation?
PIV reduces condensation in most homes because it dilutes moist air and keeps it moving, but it works best alongside working extract fans in the kitchen and bathroom. Leaks, rising damp or a cold bridge need fixing separately.
How much does PIV cost to run?
A standard PIV unit uses very little electricity, comparable to a low-energy light bulb on normal speed. A heated unit costs more in cold spells because the heater switches on when loft air is cold.
How do I get a price for a PIV unit in Stockport?
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.
What area around Stockport do you work in?
All of Greater Manchester. Near Stockport that includes Bredbury, Burnage, Hazel Grove and Cheadle Hulme.
Tell us whether your Stockport home has a loft and we can price a PIV unit before visiting.
PIV near Stockport
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Answer a few questions for a price range, or send photos and we will come back to you with a written quote.