double glazing specialists in Folkestone
If you're looking for double glazing in Folkestone, you're in the right place. Pro-Fit Window Systems connects homeowners across Kent with FENSA-registered double glazing 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 £380–£1,140 by comparing quotes rather than accepting the first offer.
Double Glazing prices in Folkestone 2026
The table below shows typical installed prices for double glazing in Folkestone and the Kent area. Prices vary by specification — get an exact quote using our free tool.
| Window Type | From (installed) | Up to (installed) |
|---|---|---|
| Casement (single) | £333 | £665 |
| Casement (large) | £475 | £855 |
| Sash Window | £570 | £1,045 |
| Bay Window (3-panel) | £1,140 | £3,040 |
| Tilt & Turn | £380 | £713 |
* Prices are estimates for Folkestone based on current market data. Your exact quote will depend on window size, specification and chosen installer.
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Get Quotes in Folkestone →FAQs — Double Glazing in Folkestone
How much does double glazing cost in Folkestone?
Installed double glazing costs in Folkestone start from around £333 per window and can reach £3,040 for larger bay units. Kent prices are in line with 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 double glazing in Folkestone?
The time required depends on how many windows are being installed. In Folkestone, a single window can be replaced in 2–4 hours, while a whole-house installation typically takes 2–3 days. Your installer will confirm the schedule during their free property survey.
Are the window fitters in Folkestone properly certified?
Yes — we only work with FENSA-registered installers in Folkestone and across Kent. 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 Folkestone without planning consent?
For the majority of Folkestone properties, window replacement is classed as permitted development and does not need planning permission. Exceptions apply if your home is in a Kent conservation area or is a listed building, in which case local authority consent may be required.