double glazing specialists in Brighton
If you're looking for double glazing in Brighton, you're in the right place. Pro-Fit Window Systems connects homeowners across East Sussex 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 £440–£1,320 by comparing quotes rather than accepting the first offer.
Double Glazing prices in Brighton 2026
Here's a guide to what you can expect to pay for double glazing in Brighton. All prices are installed costs — use our free tool to get your exact local quote.
| Window Type | From (installed) | Up to (installed) |
|---|---|---|
| Casement (single) | £385 | £770 |
| Casement (large) | £550 | £990 |
| Sash Window | £660 | £1,210 |
| Bay Window (3-panel) | £1,320 | £3,520 |
| Tilt & Turn | £440 | £825 |
* Prices are estimates for Brighton based on current market data. Your exact quote will depend on window size, specification and chosen installer.
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Get Quotes in Brighton →FAQs — Double Glazing in Brighton
What is the price of double glazing in Brighton?
In Brighton, you can expect to pay from £385 for a standard casement window installed, up to £3,520 for a full bay window. Prices in East Sussex 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.
How many days will my double glazing installation take?
The time required depends on how many windows are being installed. In Brighton, 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 your Brighton window installers FENSA registered?
Yes. Every installer in our Brighton network is FENSA registered, which means they are certified to install replacement windows in compliance with UK Building Regulations. FENSA registration also provides a 10-year insurance-backed guarantee on all installations.
Do I need planning permission for new windows in Brighton?
In most cases, replacing windows like-for-like in Brighton does not require planning permission — it falls under permitted development. However, if you live in a conservation area or listed building in East Sussex, you may need consent. Your installer will advise you during the free survey.