uPVC window prices and costs

How much should you pay for new uPVC windows? It is the first question everyone asks and the hardest to answer in one number, because the price depends on the style, the size, the glazing, the colour and how many you buy at once. This page gives you honest, typical market ranges so you can budget with confidence and recognise a fair quote — while remembering that the only accurate figure comes from a measured survey of your home.

Typical fitted prices by style

The ranges below are indicative supplied-and-fitted prices per window for a standard-sized opening in white uPVC with double glazing. They are guidance, not quotes.

Style	Typical fitted price
Casement	£350 – £650
Flush casement	£450 – £750
Tilt & turn	£450 – £800
French casement	£500 – £900
Sash (vertical slider)	£600 – £1,150
Bay or bow (full assembly)	£1,100 – £2,500

For a style-by-style breakdown of how each one works, see our uPVC window styles guide.

Whole-house costs

Most homeowners replace several windows at once, which lowers the per-window rate. As a rough guide, a typical three-bedroom semi with eight to ten windows often lands between £3,500 and £7,000 in white uPVC, depending on styles and glazing. A larger detached house with bays and more openings can be higher.

What drives the price up or down

Six factors move a uPVC quote more than anything else: the size and number of windows, the style and opening type, the glazing specification, the colour or finish, the access to each opening, and the installer's guarantee and registration. Upgrading the glass for a higher energy rating, choosing anthracite grey over white, or needing scaffolding for upper floors all add cost. Our colours and finishes guide covers the colour premium in detail.

Spreading the cost

Not everyone wants to pay in one lump. Many installers offer finance, and there are legitimate ways to spread the cost of new windows subject to eligibility and a home survey. We never promise a specific saving or a government grant — any funding or contribution options depend on your circumstances and are confirmed before you commit. Our guide to getting quotes explains the process end to end.

Comparing quotes fairly

To compare like for like, make sure each quote is for the same specification: the same style, the same energy rating, the same colour and the same guarantee. A cheaper quote with a lower spec or no insurance-backed guarantee is not really cheaper. Always get at least three quotes and check the installer is FENSA or CERTASS registered.

Frequently asked questions