Positive input ventilation (PIV) in Aldershot

If your Aldershot flat has no loft, a wall-mounted PIV unit does the same job through an outside wall.

Work in Aldershot follows the rules for England and finishes with a written record of what was fitted and how it was set up.

PIV in Aldershot at a glance

Town: Aldershot, Hampshire
Postcode districts: GU9, GU11 and GU12
Nearby: Hale (2 miles), Farnham (3 miles) and Farnborough (3 miles)
Price region: South East
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.

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 Aldershot

Positive input ventilation (PIV) guide prices in Aldershot
Work	Guide price
Positive input ventilation (PIV) loft unit, supplied and fitted (per home)	£875–£1,525 inc VAT
Wall-mounted PIV unit for a flat (core drilled through an outside wall) (per flat)	£1,100–£1,875 inc VAT
Heater module or heated PIV unit (extra over a standard unit) (extra)	£160–£325 inc VAT

These ranges use our South East rates. Prices include VAT at 20%. You get a fixed written price before any work is booked.

Signs it is time to call us

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

English building work follows Approved Document F (2021 edition) for ventilation rates, installation and commissioning. It sets extract rates for kitchens, bathrooms and utilities and asks for mechanical ventilation to be commissioned and recorded.

Questions from Aldershot

What area around Aldershot do you work in?

All of Hampshire. Near Aldershot that includes Hale, Farnham, Farnborough and Fleet.

Can PIV be fitted in a flat?

Yes. Flats without loft space use a wall-mounted PIV unit that draws air from outside through an outside wall.

How long does PIV installation take?

A loft unit is normally fitted in two to four hours, including the diffuser and electrical connection.

Do you cover Aldershot and nearby?

Yes. We cover Aldershot and nearby places including Hale, Farnham, Farnborough and Fleet. Send your postcode and we will confirm.

What is the price of a PIV unit in Aldershot?

Guide prices for Aldershot use South East rates: positive input ventilation (PIV) loft unit, supplied and fitted is typically £875 to £1,525 inc VAT per home. We confirm a fixed price in writing before any work starts.

Send a photo of your loft hatch area and landing ceiling for a quicker Aldershot quote.