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Glass-only replacement · Gloucestershire

Triple glazed sealed unit replacement in Stroud

We arrange surveys and fitting of triple glazed replacement sealed units in Stroud and the GL5 area, with a written, fixed quote after a free survey.

GL5Postcode district
1.4U-value limit, England (W/m²K)
7h 47mDaylight, 21 Dec
15°Midday sun, 21 Dec
Gloved hands lifting a triple glazed sealed unit into an existing white window frame

Straight advice on swapping glass only, and when it is worth it. Sealed unit replacement means changing only the glass in an existing frame.

Winter light and glass choice in Stroud

In Stroud, midday sun in late December sits around 15° high, with roughly 7 h 47 min of daylight. For windows facing north or shaded by neighbours, cutting heat loss matters more than solar gain; on open south-facing glass, ask about a higher solar-gain unit.

Guide prices in Stroud

GuideSupply and fit, inc VAT
Small unit
up to about 0.6 m2, frame checked first
£145 – £195
Medium unit
about 0.6 to 1.2 m2
£195 – £245
Large unit
about 1.2 to 2 m2
£295 – £395

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

Rules for glass-only replacement in England

England requires replacement windows to achieve 1.4 W/m²K, or a Window Energy Rating of band B or better, which good triple glazing passes comfortably. 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.

  • 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 Stroud

How much does a triple glazed sealed unit cost?

Where a frame can take one, our guide starts at £145 fitted for a small unit, inc VAT. Published UK figures of about £90 to £220 per unit are mostly for double units; triple units cost more.

Will heavier glass damage my hinges?

It can. Triple units are about 50% heavier, so hinges and packers are checked and upgraded where needed.

Do I need permission for triple glazed replacement sealed units in Stroud?

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.

Do you fit triple glazed replacement sealed units in Stroud?

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

Nearby

We also cover nearby Gloucester (13 km), Cirencester (16 km), Cheltenham (19 km) and Tewkesbury (27 km).

Other products in Stroud

Glass-only replacement in Stroud: 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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