UPVC window installation specialists in Cardiff
If you're looking for UPVC window installation in Cardiff, you're in the right place. Pro-Fit Window Systems connects homeowners across Cardiff with FENSA-registered UPVC window installation installers who offer free, no-obligation quotes.
From a single window replacement to a full property upgrade, our network of Cardiff specialists will compete for your job. Homeowners in Wales who compare quotes typically save £352–£1,056 against the first price they're offered.
UPVC Windows prices in Cardiff 2026
Here's a guide to what you can expect to pay for UPVC window installation in Cardiff. All prices are installed costs — use our free tool to get your exact local quote.
| Window Type | From (installed) | Up to (installed) |
|---|---|---|
| Casement (single) | £308 | £616 |
| Casement (large) | £440 | £792 |
| Sash Window | £528 | £968 |
| Bay Window (3-panel) | £1,056 | £2,816 |
| Tilt & Turn | £352 | £660 |
* Prices are estimates for Cardiff based on current market data. Your exact quote will depend on window size, specification and chosen installer.
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Get Quotes in Cardiff →FAQs — UPVC Windows in Cardiff
What is the price of UPVC window installation in Cardiff?
Installed UPVC window installation costs in Cardiff start from around £308 per window and can reach £2,816 for larger bay units. Cardiff prices are below 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 UPVC window installation installation take?
The time required depends on how many windows are being installed. In Cardiff, 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 Cardiff installers are trustworthy?
Absolutely. FENSA registration is a mandatory requirement for all companies in our Cardiff network. It certifies that installers meet UK Building Regulations standards and automatically includes a 10-year insurance-backed guarantee on every job.
Do I need planning permission for new windows in Cardiff?
Most standard window replacements in Cardiff are covered by permitted development rights and require no planning application. If your property is listed or sits within a conservation area in Cardiff, additional consent from the local council may be needed — your installer can guide you through this.