Supplied and fitted across the UKFree surveyWritten fixed quoteGuide prices published0800 088 6248

Passivhaus and EnerPHit · Scotland

Passivhaus and EnerPHit windows in the Highlands and Islands

Passivhaus and EnerPHit windows across the Highlands and Islands: free survey, written fixed quote, and fitting by installation teams working for us. Towns we cover include Inverness, Stornoway and Dingwall. Island and remote districts are by arrangement, with travel and access costs shown separately on your quote.

9Towns with local pages
ScotlandRules applied
1.6U-value limit (W/m²K)
8 to 14 weeksTypical lead time
Timber-clad low-energy house with deep-set windows and external shading

The windows and installation detail low-energy builds depend on. Passivhaus is a building standard from the Passive House Institute; EnerPHit is its version for retrofits.

Guide prices across the Highlands and Islands

uPVC low-energy window

medium, deep frame, Uw about 0.8 or better

£1,395 – £1,795inc VAT · £1,160 – £1,495 ex VAT

  • Deep multi-chamber frame
  • Airtightness tapes and insulated fixing
  • Installation details recorded
Typical project

Timber low-energy window

medium, thermally broken

£2,395 – £2,995inc VAT · £1,995 – £2,495 ex VAT

  • Engineered timber, deep section
  • Airtightness tapes and insulated fixing
  • Installation details recorded

Alu-clad timber low-energy window

medium, certified-component systems on request

£2,695 – £3,395inc VAT · £2,245 – £2,830 ex VAT

  • Timber inside, aluminium outside
  • Airtightness tapes and insulated fixing
  • Installation details recorded

Guide prices, supply and fit. The written quote after your survey fixes the price for the specification shown; anything extra is agreed with you first.

Towns in the Highlands and Islands

Rules in Scotland

In Scotland, replacement windows must meet 1.6 W/m²K. Replacing a window or door, frame and all, does not need a building warrant, but the work must still meet the building standards.

Planning: Since May 2024, replacement windows on houses are widely permitted development, including in many conservation areas, with front elevations expected to match the existing closely; your council tells you if prior notification applies. Flats outside conservation areas generally need permission only if the opening size changes. Listed buildings need listed building consent.

How it works

The surveyor measures every opening, checks ventilation, escape windows and safety-glass zones, and talks through styles. Your written quote lists each item with its glass build-up and U-value, and the price is fixed for that specification.

  • Every opening measured, including escape and vent needs
  • Frames rated for the weight of triple glass
  • Old windows removed and taken away
  • Each opening closed up the same day

Questions

Can you fit to my designer’s details?

Yes. We agree position, fixings and airtightness details with your designer before ordering.

Do Passivhaus windows have to be certified?

Not always, but certified components make the certification process simpler. Ask and we will price certified systems.

Is triple glazing enough for Passivhaus?

Triple glass is the starting point. The frame, spacers and installation all have to perform too.

Do you cover all of the Highlands and Islands?

We arrange surveys and fitting across the Highlands and Islands. Island and remote districts are by arrangement, with travel and access costs shown separately on your quote.

Do I need permission for Passivhaus and EnerPHit windows in Scotland?

In Scotland, replacement windows on houses are widely permitted development since May 2024, with front elevations expected to match closely; listed buildings need consent.

Passivhaus and EnerPHit in nearby areas of Scotland

Other products in the Highlands and Islands

Passivhaus and EnerPHit across the Highlands and Islands

Written quote fixed for the specification, after a free survey. No building warrant is needed for a straight replacement in Scotland; we fit to the building standards and give you a written handover pack.

CallGet a quote