double glazing specialists in Guildford
Homeowners in Guildford use Pro-Fit Window Systems to collect free double glazing quotes from trusted local installers. Every company in our Surrey network is FENSA-registered and independently rated.
We connect you with up to 3 FENSA-registered double glazing installers near Guildford who will each provide a free, no-obligation quote. In South East England, comparing multiple quotes saves homeowners an average of £472–£1,416.
Double Glazing prices in Guildford 2026
We've compiled current installed price ranges for double glazing in the Surrey area. Actual costs depend on window size and specification — compare quotes for a precise figure.
| 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.
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Get Quotes in Guildford →FAQs — Double Glazing in Guildford
Double Glazing prices in Guildford — what should I budget?
In Guildford, you can expect to pay from £413 for a standard casement window installed, up to £3,776 for a full bay window. Prices in Surrey are slightly above 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 double glazing in Guildford?
For most Guildford properties, window installation takes between one and three days. Replacing a single window can be completed in half a day. Your Surrey installer will carry out a free survey before the job and give you a precise timeline.
Are the window fitters in Guildford properly certified?
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.