Windows & Doors

uPVC double-glazed windows cost £300-£600 each installed. A full house of windows typically costs £3,000-£7,000.

A full house of windows typically takes 1-2 days to install. Individual windows take 1-2 hours each.

FENSA is a government-authorised scheme for replacement windows and doors. FENSA-registered installers self-certify compliance with Building Regulations.

Double glazing is standard and cost-effective for most UK homes. Triple glazing costs 20-30% more but offers better insulation and noise reduction. Triple glazing is most beneficial for north-facing windows, noisy areas, or passive house builds.

uPVC is the most affordable (£300-£600/window) and low-maintenance. Aluminium is slimmer and more modern-looking (£400-£800/window) with excellent durability. Timber is traditional and offers the best insulation (£500-£1,000/window) but requires regular maintenance.

Replacement windows usually fall under permitted development, but you must use a FENSA-registered installer or get building control sign-off. Listed buildings and conservation areas may require planning permission, especially if changing window style or materials.

Quality uPVC windows last 20-25 years before needing replacement. Aluminium windows can last 30-45 years. Timber windows, with regular maintenance, can last 50+ years. Most come with a 10-year guarantee.

Composite front doors cost £800-£2,000 installed, depending on style, glass panels, and security features. They offer better security and insulation than uPVC doors and require less maintenance than timber.