window replacement specialists in Guildford
If you're looking for window replacement in Guildford, you're in the right place. Pro-Fit Window Systems connects homeowners across Surrey 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 East England saves £472–£1,416 by comparing quotes rather than accepting the first offer.
Window Replacement prices in Guildford 2026
The table below shows typical installed prices for window replacement in Guildford and the Surrey area. Prices vary by specification — get an exact quote using our free tool.
| Window Type | From (installed) | Up to (installed) |
|---|---|---|
| Casement (single) | £413 | £826 |
| Casement (large) | £590 | £1,062 |
| Sash Window | £708 | £1,298 |
| Bay Window (3-panel) | £1,416 | £3,776 |
| Tilt & Turn | £472 | £885 |
* Prices are estimates for Guildford based on current market data. Your exact quote will depend on window size, specification and chosen installer.
Get your free window replacement quote in Guildford
Free to use. Zero commitment. All installers are FENSA certified.
Get Quotes in Guildford →FAQs — Window Replacement in Guildford
Window Replacement prices in Guildford — what should I budget?
Installed window replacement costs in Guildford start from around £413 per window and can reach £3,776 for larger bay units. Surrey prices are slightly above the national average. Getting multiple quotes through our free service is the most reliable way to establish an exact budget.
What's the typical installation time for window replacement in Guildford?
Most installations in Guildford 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 Guildford window installers FENSA registered?
Yes — we only work with FENSA-registered installers in Guildford and across Surrey. FENSA certification confirms compliance with UK Building Regulations, and every installation is backed by a 10-year insurance guarantee as a result.
Can I replace my windows in Guildford without planning consent?
In most cases, replacing windows like-for-like in Guildford does not require planning permission — it falls under permitted development. However, if you live in a conservation area or listed building in Surrey, you may need consent. Your installer will advise you during the free survey.