St Neots, Cambridgeshire
Positive input ventilation (PIV) in St Neots
Loft or wall units that gently push filtered air into the home to tackle condensation. Covering St Neots and PE19 and SG19.
- From £825 inc VAT per home
- Free survey
PIV is often a good fix for St Neots homes with condensation on every window.
We cover St Neots and the surrounding PE19 and SG19 postcodes as part of our work across Cambridgeshire. The survey is free for new installations on the UK mainland, and the quote that follows is fixed and in writing.
PIV in St Neots at a glance
- Town
- St Neots, Cambridgeshire
- Postcode districts
- PE19 and SG19
- Nearby
- Sandy (6 miles), Huntingdon (9 miles) and Biggleswade (9 miles)
- Price region
- East of England
- Survey
- Free survey (UK mainland)
What the work involves
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.
PIV with fan upgrades
PIV plus humidity-controlled extract fans in the kitchen and bathroom for the most stubborn condensation.
Loft-mounted PIV
The most common option for houses with a loft. Usually fitted in half a day.
Guide prices in St Neots
| 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 |
These ranges use our East of England rates. Prices include VAT at 20%. You get a fixed written price before any work is booked.
Signs it is time to call us
- 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 St Neots
Is the survey free in St Neots?
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 St Neots?
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 St Neots do you work in?
All of Cambridgeshire. Near St Neots that includes Sandy, Huntingdon, Biggleswade and Bedford.
Get a PIV guide price for your St Neots home online, then confirm it on a free survey.
PIV near St Neots
More services in St Neots
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.