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Passivhaus and EnerPHit · Scotland

Passivhaus and EnerPHit windows in Dumfries and Galloway

Passivhaus and EnerPHit windows across Dumfries and Galloway: free survey, written fixed quote, and fitting by installation teams working for us. Towns we cover include Dumfries, Stranraer and Lockerbie.

5Towns 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 Dumfries and Galloway

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 Dumfries and Galloway

Rules in Scotland

Scotland requires replacement windows to achieve 1.6 W/m²K, which good triple glazing passes comfortably. Replacing a window or door, frame and all, does not need a building warrant, but the work must still meet the building standards.

Before ordering: 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

You will know exactly what you are buying: the quote states the unit build-up, frame, finish, fitting work and how Building Regulations compliance is handled. On fitting day each opening is replaced and closed up before the team moves on.

  • Free survey and a written quote fixed for the specification
  • Glass build-up and whole-window U-value on every quote
  • Written handover pack at the end of the job
  • Guarantees on frames, units and fitting in writing

Questions

What is EnerPHit?

The Passive House Institute’s standard for retrofitting existing buildings, with slightly relaxed targets compared with new Passivhaus builds.

Is triple glazing enough for Passivhaus?

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

Do Passivhaus windows have to be certified?

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

Do you cover all of Dumfries and Galloway?

We arrange surveys and fitting across Dumfries and Galloway.

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 Dumfries and Galloway

Passivhaus and EnerPHit across Dumfries and Galloway

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.

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