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Alu-clad timber windows · Buckinghamshire

Alu-clad timber triple glazed windows in High Wycombe

We arrange surveys and fitting of alu-clad timber triple glazed windows in High Wycombe and the HP13 area, with a written, fixed quote after a free survey.

HP13Postcode district
1.4U-value limit, England (W/m²K)
7h 48mDaylight, 21 Dec
15°Midday sun, 21 Dec
Large oak-framed window with a built-in window seat looking over fields

The low-upkeep, high-performance frame many self-builders choose. Alu-clad (aluminium-clad) timber windows have a structural timber frame inside and a powder-coated aluminium cladding outside, glazed with a three-pane unit.

Winter light and glass choice in High Wycombe

On the shortest day, High Wycombe gets about 7 h 48 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 High Wycombe

GuideSupply and fit, inc VAT
Small window
about 600 x 1000 mm (bathroom, landing)
£1,395 – £1,795
Medium window
about 1200 x 1200 mm (bedroom)
£1,895 – £2,395
Large window
about 1800 x 1200 mm (lounge)
£2,995 – £3,695

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

Rules for alu-clad timber windows in England

The rules for replacement windows in England are set by Approved Document L (2021 edition, with 2023 amendments): 1.4 W/m²K, or a Window Energy Rating of band B or better. Replacement windows are a controlled fitting. A competent person scheme installer (such as FENSA or Certass) self-certifies the work and notifies the council within 30 days; otherwise a building control body approves it.

Planning: Replacing windows on a house is normally permitted development if the new ones look similar. New upper-floor windows in a side wall must be obscure glazed and fixed, or open only above 1.7 m. Flats and maisonettes have no householder permitted development rights, so a change that alters their appearance needs planning permission. An Article 4 direction in a conservation area may mean permission is needed, and 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.

  • 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 from High Wycombe

Do alu-clad windows suit Passivhaus builds?

Many alu-clad systems are designed for low-energy homes. If you need Passive House Institute certified components, ask and we will price systems that hold that certification.

How long do alu-clad windows take to make?

Typically 8 to 12 weeks from survey, sometimes longer for big projects.

Do I need permission for alu-clad timber triple glazed windows in High Wycombe?

In England, like-for-like replacements on a house are normally permitted development; flats need permission if the change alters their appearance, Article 4 areas may need permission, and listed buildings need listed building consent. Check whether your street is in a conservation area or covered by an Article 4 direction before changing the style.

How long does it take to get alu-clad timber triple glazed windows fitted in High Wycombe?

After the survey, typical manufacture time is 8 to 12 weeks, and most homes are fitted in 1 to 4 days.

Nearby

Also near High Wycombe: Amersham (10 km), Maidenhead (12 km), Chesham (13 km) and Chalfont St Peter (14 km).

Other products in High Wycombe

Alu-clad timber windows in High Wycombe: 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 England.

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