Great Sankey, Cheshire
Positive input ventilation (PIV) in Great Sankey
Loft or wall units that gently push filtered air into the home to tackle condensation. Covering Great Sankey and WA1, WA2 and WA5.
- From £750 inc VAT per home
- Free survey
Condensation in Great Sankey homes usually has one of two answers: better extract fans, or PIV as well.
Work in Great Sankey follows the rules for England and finishes with a written record of what was fitted and how it was set up.
PIV in Great Sankey at a glance
- Town
- Great Sankey, Cheshire
- Postcode districts
- WA1, WA2 and WA5
- Nearby
- Warrington (2 miles), Newton-le-Willows (4 miles) and Widnes (4 miles)
- Price region
- North West
- Survey
- Free survey (UK mainland)
What the work involves
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.
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 Great Sankey
| 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
- 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 Great Sankey
How do I get a price for a PIV unit in Great Sankey?
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.
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.
What area around Great Sankey do you work in?
All of Cheshire. Near Great Sankey that includes Warrington, Newton-le-Willows, Widnes and Runcorn.
Do you cover Great Sankey and nearby?
Yes. We cover Great Sankey and nearby places including Warrington, Newton-le-Willows, Widnes and Runcorn. Send your postcode and we will confirm.
Tell us whether your Great Sankey home has a loft and we can price a PIV unit before visiting.
PIV near Great Sankey
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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.