window replacement specialists in Swindon
Homeowners in Swindon use Pro-Fit Window Systems to collect free window replacement quotes from trusted local installers. Every company in our Wiltshire network is FENSA-registered and independently rated.
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 West England saves £388–£1,164 by comparing quotes rather than accepting the first offer.
Window Replacement prices in Swindon 2026
The table below shows typical installed prices for window replacement in Swindon and the Wiltshire area. Prices vary by specification — get an exact quote using our free tool.
| Window Type | From (installed) | Up to (installed) |
|---|---|---|
| Casement (single) | £340 | £679 |
| Casement (large) | £485 | £873 |
| Sash Window | £582 | £1,067 |
| Bay Window (3-panel) | £1,164 | £3,104 |
| Tilt & Turn | £388 | £728 |
* Prices are estimates for Swindon based on current market data. Your exact quote will depend on window size, specification and chosen installer.
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Get Quotes in Swindon →FAQs — Window Replacement in Swindon
Window Replacement prices in Swindon — what should I budget?
Installed window replacement costs in Swindon start from around £340 per window and can reach £3,104 for larger bay units. Wiltshire 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.
How many days will my window replacement installation take?
The time required depends on how many windows are being installed. In Swindon, 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.
How do I know your Swindon installers are trustworthy?
Yes. Every installer in our Swindon 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.
Is planning permission required for window replacement in Swindon?
In most cases, replacing windows like-for-like in Swindon does not require planning permission — it falls under permitted development. However, if you live in a conservation area or listed building in Wiltshire, you may need consent. Your installer will advise you during the free survey.