Expert guides on double glazing, triple glazing, window types, costs, and energy ratings for UK homeowners. Find out which windows save the most energy and money.
452 articles
An annual window care checklist costs £40–£80 in materials and takes under two hours. This prevents emergency repairs that typically cost £200–£600. The Glass and Glazing Federation recommends doing the…
Most stuck tilt and turn windows can be fixed in under an hour for under £15. The most common cause is a misaligned sash or debris in hinge channels. Check…
Yes, you can replace a window handle yourself in under 30 minutes. First identify your handle type (cockspur, espagnolette or tilt-and-turn), then match the spindle length (typically 35mm) and fixing…
Measure width at top, middle, and bottom inside the frame, using the smallest figure. Repeat for height at left, centre, and right. Measure depth from front to back of the…
Clean uPVC windows safely with warm water and a few drops of washing-up liquid, using a soft microfibre cloth. Avoid bleach, abrasive pads, and pressure washers to prevent permanent damage…
Coloured uPVC windows cost 20–30% more than standard white, adding £100–£240 per window. Foil laminate lasts 15–25 years, while spray paint lasts 5–10 years. Compare costs and finishes before buying.
Cream windows cost 15–25% more than white uPVC, adding £2,000–£4,000 for a typical three-bed semi. Total installed cost for cream uPVC is £3,500–£5,500. Compare uPVC and aluminium options before ordering.
Anthracite grey windows cost £150–£400 more per window than white uPVC, a 10–15% premium. Colour does not affect energy bills or U-values. Compare quotes from FENSA-registered installers.
The best window colour can add up to 5% to a home's value, but the choice depends on your property's era. Anthracite grey suits modern homes, cream suits period properties,…
Window colours cost 15-50% more than white uPVC, with anthracite grey adding 15-25% and timber-effect foils adding 35-50%. For a typical 3-bed semi, that premium is £600-£1,500 over white. Colour…
Grey windows UK cost £400–£700 for uPVC and £650–£1,200 for aluminium per window in 2026. The premium over white is 10–15% for uPVC, but through-colour finishes eliminate fading and repainting…
Black uPVC windows cost 10–15% more than white, adding £300–£600 to a typical three-bed semi quote. The styling payoff is a strong visual contrast that suits modern homes but may…
Noise reduction windows cost £800 to £2,500 per window installed. For a three-bedroom semi-detached house with five to seven windows, total costs typically range from £4,500 to £8,000 depending on…
Soundproof windows in the UK cost £400-£1,100 per window in 2026, depending on glass type and frame. No government grant covers them as a standalone measure, but you may qualify…
White uPVC windows cost £450–£700 per window installed in 2026 for a standard casement style. A B-rated unit saves £195 yearly on a semi-detached home. That makes them a cost-effective…
uPVC windows cost 30% less than timber or aluminium, averaging £350–£600 per fitted casement. They also outperform timber and aluminium on thermal retention, with U-values of 1.2–1.6 W/m²K. The Great…
uPVC windows cost £350-£600 per window installed, while aluminium costs £600-£1,200. However, aluminium lasts 40-50 years versus uPVC's 20-30 years, and achieves better insulation with U-values as low as 1.2…
Aluminium casement windows cost £450 to £900 per window fitted in 2026, depending on size and glazing. Triple-glazed options add 20-30% to the price. Compare quotes from certified installers.
Aluminium window prices in the UK range from £400 to £1,200 per window installed in 2026, with the average at £600–£800. The cost depends on size, style, glazing specification and…
Aluminium windows UK cost £4,500–£7,500 for a 3-bed semi, 10–40% more than uPVC, but last 40–60 years versus 20–25 years. They offer comparable energy efficiency and slim profiles, making them…
Trickle vents are mandatory on replacement windows in England from 2026 under Part F of Building Regulations. Costs range from £20-£50 per vent fitted. The Great British Insulation Scheme closed…
Secondary glazing costs £1,200–£2,800 installed for a 3-bed semi-detached house in 2026. Per window, prices range £150–£800 depending on the system type. It is 40–60% cheaper than full double glazing…
Wooden sash windows cost £1,200–£2,200 per 1.2m x 1.2m window in 2026, which is 40–60% more than uPVC. The long-term cost depends on repainting every 5–7 years at £150–£300 per…
uPVC sash windows cost £400-£1,200 per window installed in 2026. They offer lower maintenance than timber and a classic look, but their U-value (1.4-1.6 W/m²K) is slightly worse than timber…
A full house of uPVC double glazed windows typically costs between 4,000 and 8,000 pounds for a three-bedroom semi-detached house. Individual windows range from 300 to 800 pounds depending on size and opening style. Prices include supply, fitting, and building regulations certification.
Triple glazing costs around 20 to 30 percent more than double glazing but delivers a U-value of around 0.8 compared to 1.2 for standard double glazing. The energy savings are modest for most UK homes, making it most worthwhile for north-facing rooms, noisy locations, or new builds where the price premium is smaller.
Most window replacements fall under permitted development and do not need planning permission. However, if your home is a listed building or in a conservation area, you will likely need consent. The installer must be FENSA registered or you will need separate building control sign-off.
Modern double glazed sealed units typically last 20 to 25 years. uPVC frames can last 25 to 35 years with minimal maintenance. Signs that replacement is needed include misting between panes, draughts around seals, difficulty opening or closing, and visible frame deterioration.
No UK scheme funds replacement windows on their own. The Great British Insulation Scheme closed on 31 March 2026 and only ever covered insulation, never glazing. ECO4 runs to 31 December 2026 in Great Britain only and targets insulation and heating for households on qualifying benefits; glazing is included only where it forms part of a wider whole-house retrofit. Glazing is also standard-rated for VAT at 20%, as HMRC lists double and secondary glazing as excluded from the energy-saving materials zero rate.
Triple glazing achieves U-values of 0.8 W/m²K compared to 1.4 W/m²K for double glazing, saving UK homeowners an additional £30-50 per year in heating costs while providing superior noise reduction…
New windows in the UK cost £300-£1,200 per window depending on material and specification. A full house replacement for a three-bedroom semi ranges from £3,500 to £7,500 for uPVC double…
Secondary glazing is generally worth it for a Victorian terraced house, particularly where conservation area rules prevent sash window replacement. Fitted internally without altering the building's exterior, it can reduce…
Low E glass windows are worth it for UK homeowners because the invisible metallic coating significantly reduces heat loss through the glass, helping homes meet Building Regulations under Part L…
Window security ratings in the UK are primarily defined by PAS 24, a British Standards Institution specification requiring windows to pass independent forced-entry testing, and Secured by Design, a police-backed…
Double glazed windows mist up inside when the hermetic seal around the unit fails, allowing humid air to enter the gap between the panes where it condenses. This is a…
