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Passivhaus and EnerPHit · Gwent

Passivhaus and EnerPHit windows in Pontypool

Homes in Pontypool can have Passivhaus and EnerPHit windows supplied and fitted, with surveys arranged across Gwent including NP4.

NP4Postcode district
1.4U-value limit, Wales (W/m²K)
7h 47mDaylight, 21 Dec
15°Midday sun, 21 Dec
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.

Winter light and glass choice in Pontypool

On the shortest day, Pontypool gets about 7 h 47 min of daylight and the midday sun reaches only about 15° above the horizon. Low winter sun means north-facing rooms here gain little solar heat, which is where triple glazing’s lower heat loss helps most.

Guide prices in Pontypool

GuideSupply and fit, inc VAT
uPVC low-energy window
medium, deep frame, Uw about 0.8 or better
£1,395 – £1,795
Timber low-energy window
medium, thermally broken
£2,395 – £2,995
Alu-clad timber low-energy window
medium, certified-component systems on request
£2,695 – £3,395

Guide prices. Your written quote after the free survey fixes the price for the specification shown.

Rules for Passivhaus and EnerPHit in Wales

The rules for replacement windows in Wales are set by Approved Document L for Wales (2022 edition, with 2024 amendments): 1.4 W/m²K, or a Window Energy Rating of band B or better. As in England, replacement windows are a controlled fitting: a competent person scheme installer self-certifies the work, or building control approves it.

Planning: Householder permitted development rules do not cover flats, and councils can remove rights with Article 4 directions. Listed buildings need listed building consent. Check with your council before changing the style or material.

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 from Pontypool

Is triple glazing enough for Passivhaus?

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

What is EnerPHit?

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

Do you fit Passivhaus and EnerPHit windows in Pontypool?

Yes. We arrange surveys and fitting in Pontypool and across Gwent. Send your postcode and the windows or doors you want replaced, and we will book a free survey.

How long does it take to get Passivhaus and EnerPHit windows fitted in Pontypool?

After the survey, typical manufacture time is 8 to 14 weeks, and most homes are fitted in 1 to 4 days.

Nearby

Also near Pontypool: Cwmbran (5 km), Risca (11 km), Newport, Gwent (13 km) and Abergavenny (14 km).

Other products in Pontypool

Passivhaus and EnerPHit in Pontypool: book your free survey

Written quote fixed for the specification, after a free survey. Building Regulations sign-off by a competent person scheme installer or building control, as the law requires in Wales.

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