Home ventilation, Scottish Borders
Positive input ventilation (PIV) in the Scottish Borders
Loft or wall units that gently push filtered air into the home to tackle condensation, across the Scottish Borders.
- From £775 inc VAT per home
- Free survey
If your Scottish Borders flat has no loft, a wall-mounted PIV unit does the same job through an outside wall.
Our team is based in Great Barr, Birmingham, and we work throughout the Scottish Borders, from Galashiels and Hawick. The survey is free for new installations on the UK mainland, and the quote that follows is fixed and in writing.
PIV in the Scottish Borders at a glance
- Area
- Scottish Borders, Scotland
- Towns listed
- 2, largest Hawick
- Postcode districts
- TD9, TD1 and TD4
- Price region
- Scotland
- Survey
- Free survey (UK mainland)
What positive input ventilation (PIV) involves
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 works well in houses and flats with general condensation on windows and cold walls.
Heated PIV
A heater module tempers the incoming air in cold weather. Useful in homes where people feel draughts.
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 the Scottish Borders
| 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 |
Guide prices using Scotland rates. Prices include VAT at 20%. A guide price is not a quote: we confirm a fixed price in writing first.
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 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.
How the job runs
- Survey
- Fixed quote
- Install
- Set up
- Hand over
Towns we cover in the Scottish Borders
Questions about positive input ventilation (PIV) in the Scottish Borders
Are prices different in the Scottish Borders?
Our guide prices are adjusted by region. In the Scottish Borders we use Scotland rates, so positive input ventilation (PIV) loft unit, supplied and fitted is typically £775 to £1,350 inc VAT per home.
How long does PIV installation take?
A loft unit is normally fitted in two to four hours, including the diffuser and electrical connection.
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.
Is the survey free in the Scottish Borders?
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.
Which rules apply to ventilation in the Scottish Borders?
In Scotland, ventilation is covered by section 3 of the Building Standards Technical Handbooks. Private rented homes must meet the Repairing Standard, and workplaces must be ventilated under the Workplace (Health, Safety and Welfare) Regulations 1992.
Tell us whether your Scottish Borders home has a loft and we can price a PIV unit before visiting.
Other services in the Scottish Borders
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