Positive input ventilation (PIV) in Portadown

PIV is often a good fix for Portadown homes with condensation on every window.

Customers in Portadown can get a guide price online in a couple of minutes. It uses Northern Ireland rates, which is what we would charge for the same job anywhere in County Armagh. Visits here are by arrangement: we quote travel separately and in writing before you commit.

PIV in Portadown at a glance

Town: Portadown, County Armagh
Postcode districts: BT62, BT63 and BT64
Nearby: Craigavon (3 miles), Banbridge (8 miles) and Armagh (10 miles)
Price region: Northern Ireland
Survey: By arrangement, travel quoted first

PIV for Portadown homes

PIV works well in houses and flats with general condensation on windows and cold walls. It does not replace extract fans: kitchens and bathrooms still need their own extract to remove steam at source.

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 Portadown

Positive input ventilation (PIV) guide prices in Portadown
Work	Guide price
Positive input ventilation (PIV) loft unit, supplied and fitted (per home)	£725–£1,275 inc VAT
Wall-mounted PIV unit for a flat (core drilled through an outside wall) (per flat)	£925–£1,550 inc VAT
Heater module or heated PIV unit (extra over a standard unit) (extra)	£135–£270 inc VAT

These ranges use our Northern Ireland rates. Prices include VAT at 20%. You get a fixed written price before any work is booked. Travel is quoted separately for this area.

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 Northern Ireland

In Northern Ireland, ventilation is covered by the Building Regulations (Northern Ireland) and Technical Booklet K. Extract rates follow the Northern Ireland guidance and are measured at handover.

Questions from Portadown

What area around Portadown do you work in?

All of County Armagh. Near Portadown that includes Craigavon, Banbridge, Armagh and Dungannon.

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.

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.

Do you cover Portadown and nearby?

Yes. We cover Portadown and nearby places including Craigavon, Banbridge, Armagh and Dungannon. Send your postcode and we will confirm.

What is the price of a PIV unit in Portadown?

Guide prices for Portadown use Northern Ireland rates: positive input ventilation (PIV) loft unit, supplied and fitted is typically £725 to £1,275 inc VAT per home. We confirm a fixed price in writing before any work starts.