Carrickfergus, County Antrim
Positive input ventilation (PIV) in Carrickfergus
Loft or wall units that gently push filtered air into the home to tackle condensation. Covering Carrickfergus and BT18, BT37 and BT38.
- From £725 inc VAT per home
- By arrangement
PIV can suit Carrickfergus houses and flats because it treats the whole home from one quiet unit.
Work in Carrickfergus follows the rules for Northern Ireland and finishes with a written record of what was fitted and how it was set up.
PIV in Carrickfergus at a glance
- Town
- Carrickfergus, County Antrim
- Postcode districts
- BT18, BT37 and BT38
- Nearby
- Holywood (5 miles), Newtownabbey (6 miles) and Bangor (7 miles)
- Price region
- Northern Ireland
- Survey
- By arrangement, travel quoted first
PIV for Carrickfergus homes
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.
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 Carrickfergus
| 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 |
Guide prices using Northern Ireland rates. Prices include VAT at 20%. A guide price is not a quote: we confirm a fixed price in writing first. Travel is quoted separately for this area.
Common reasons people call
- Streaming windows on most mornings in winter
- Black mould on window reveals and in corners of bedrooms
- Musty smell in wardrobes or behind furniture
Rules that apply in Northern Ireland
Northern Ireland has its own building regulations, with ventilation guidance in Technical Booklet K. Extract rates follow the Northern Ireland guidance and are measured at handover.
Questions from Carrickfergus
How do I get a price for a PIV unit in Carrickfergus?
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.
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.
What area around Carrickfergus do you work in?
All of County Antrim. Near Carrickfergus that includes Holywood, Newtownabbey, Bangor and Dundonald.
Do you cover Carrickfergus and nearby?
Yes. We cover Carrickfergus and nearby places including Holywood, Newtownabbey, Bangor and Dundonald. Send your postcode and we will confirm.
Send a photo of your loft hatch area and landing ceiling for a quicker Carrickfergus quote.
PIV near Carrickfergus
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