Dundee, Tayside
Positive input ventilation (PIV) in Dundee
Loft or wall units that gently push filtered air into the home to tackle condensation. Covering Dundee and DD1, DD2, DD3 and DD4.
- From £775 inc VAT per home
- Free survey

PIV can suit Dundee houses and flats because it treats the whole home from one quiet unit.
Work in Dundee follows the rules for Scotland and finishes with a written record of what was fitted and how it was set up.
PIV in Dundee at a glance
- Town
- Dundee, Tayside
- Postcode districts
- DD1, DD2, DD3, DD4 and DD5
- Nearby
- Carnoustie (10 miles), St Andrews (11 miles) and Forfar (12 miles)
- Price region
- Scotland
- Survey
- Free survey (UK mainland)
How we approach PIV in Dundee
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.
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 Dundee
| Work | Guide price |
|---|---|
| Positive input ventilation (PIV) loft unit, supplied and fitted (per home) | £775–£1,350 inc VAT |
| Wall-mounted PIV unit for a flat (core drilled through an outside wall) (per flat) | £950–£1,625 inc VAT |
| Heater module or heated PIV unit (extra over a standard unit) (extra) | £140–£285 inc VAT |
These ranges use our Scotland rates. Prices include VAT at 20%. You get a fixed written price before any work is booked.
Common reasons people call
- Black mould on window reveals and in corners of bedrooms
- Musty smell in wardrobes or behind furniture
- The house feels stuffy and damp rather than cold
Rules that apply in Scotland
Scottish projects follow the Technical Handbooks (section 3, Environment) under the Building (Scotland) Regulations, usually with a building warrant. Extract and whole-home rates are designed to the Scottish standards and measured at handover.
Questions from Dundee
Is the survey free in Dundee?
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.
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.
How do I get a price for a PIV unit in Dundee?
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 Dundee do you work in?
All of Tayside. Near Dundee that includes Carnoustie, St Andrews, Forfar and Arbroath.
We will check the existing fans in your Dundee home at the same visit, because PIV works best with them working.
PIV near Dundee
More services in Dundee
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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.