window replacement specialists in Exeter
If you're looking for window replacement in Exeter, you're in the right place. Pro-Fit Window Systems connects homeowners across Devon with FENSA-registered window replacement installers who offer free, no-obligation quotes.
Whether you're replacing a single window or upgrading your entire home, we match you with up to 3 trusted local specialists — so you can compare prices and choose the best deal. The average homeowner in South West England saves £372–£1,116 by comparing quotes rather than accepting the first offer.
Window Replacement prices in Exeter 2026
We've compiled current installed price ranges for window replacement in the Devon area. Actual costs depend on window size and specification — compare quotes for a precise figure.
| Window Type | From (installed) | Up to (installed) |
|---|---|---|
| Casement (single) | £326 | £651 |
| Casement (large) | £465 | £837 |
| Sash Window | £558 | £1,023 |
| Bay Window (3-panel) | £1,116 | £2,976 |
| Tilt & Turn | £372 | £698 |
* Prices are estimates for Exeter based on current market data. Your exact quote will depend on window size, specification and chosen installer.
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Get Quotes in Exeter →FAQs — Window Replacement in Exeter
How much does window replacement cost in Exeter?
In Exeter, you can expect to pay from £326 for a standard casement window installed, up to £2,976 for a full bay window. Prices in Devon are in line with the national average. The best way to get an accurate price is to compare quotes from local FENSA-registered installers using our free tool.
What's the typical installation time for window replacement in Exeter?
Most installations in Exeter take 1–3 days, depending on the number of windows. A single window replacement typically takes 2–4 hours. Installers will usually survey the property first and give you an exact timeframe during the quote process.
Are your Exeter window installers FENSA registered?
Yes — we only work with FENSA-registered installers in Exeter and across Devon. FENSA certification confirms compliance with UK Building Regulations, and every installation is backed by a 10-year insurance guarantee as a result.
Is planning permission required for window replacement in Exeter?
In most cases, replacing windows like-for-like in Exeter does not require planning permission — it falls under permitted development. However, if you live in a conservation area or listed building in Devon, you may need consent. Your installer will advise you during the free survey.