window replacement specialists in Oxford
If you're looking for window replacement in Oxford, you're in the right place. Pro-Fit Window Systems connects homeowners across Oxfordshire 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 £460–£1,380 by comparing quotes rather than accepting the first offer.
Window Replacement prices in Oxford 2026
Here's a guide to what you can expect to pay for window replacement in Oxford. All prices are installed costs — use our free tool to get your exact local quote.
| Window Type | From (installed) | Up to (installed) |
|---|---|---|
| Casement (single) | £403 | £805 |
| Casement (large) | £575 | £1,035 |
| Sash Window | £690 | £1,265 |
| Bay Window (3-panel) | £1,380 | £3,680 |
| Tilt & Turn | £460 | £863 |
* Prices are estimates for Oxford based on current market data. Your exact quote will depend on window size, specification and chosen installer.
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Get Quotes in Oxford →FAQs — Window Replacement in Oxford
What is the price of window replacement in Oxford?
Installed window replacement costs in Oxford start from around £403 per window and can reach £3,680 for larger bay units. Oxfordshire 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 Oxford?
For most Oxford properties, window installation takes between one and three days. Replacing a single window can be completed in half a day. Your Oxfordshire installer will carry out a free survey before the job and give you a precise timeline.
Are your Oxford window installers FENSA registered?
Yes. Every installer in our Oxford 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.
Can I replace my windows in Oxford without planning consent?
Most standard window replacements in Oxford are covered by permitted development rights and require no planning application. If your property is listed or sits within a conservation area in Oxfordshire, additional consent from the local council may be needed — your installer can guide you through this.