sash window installation specialists in Brighton
If you're looking for sash window installation in Brighton, you're in the right place. Pro-Fit Window Systems connects homeowners across East Sussex with FENSA-registered sash window installation 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.
Sash Windows prices in Brighton 2026
The table below shows typical installed prices for sash window installation in Brighton and the East Sussex area. Prices vary by specification — get an exact quote using our free tool.
| 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 — Sash Windows in Brighton
Sash Windows prices in Brighton — what should I budget?
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 long does window installation take in Brighton?
For most Brighton properties, window installation takes between one and three days. Replacing a single window can be completed in half a day. Your East Sussex installer will carry out a free survey before the job and give you a precise timeline.
Are the window fitters in Brighton properly certified?
Yes — we only work with FENSA-registered installers in Brighton and across East Sussex. FENSA certification confirms compliance with UK Building Regulations, and every installation is backed by a 10-year insurance guarantee as a result.
Do I need planning permission for new windows in Brighton?
Most standard window replacements in Brighton are covered by permitted development rights and require no planning application. If your property is listed or sits within a conservation area in East Sussex, additional consent from the local council may be needed — your installer can guide you through this.