Upgrade Your Home's Style & Efficiency

Get 4 Windows & A Door Starting From £3,450

Trust the Experts in PVCu Windows and Doors

Quality, Sophistication, and Durability Ensured with our Zero-Interest Credit Option!

Why Upgrade Your Windows And Doors With Sureseal Windows Limited?

Sureseal Windows is a family-owned business with over 25 years of experience specialising in technologically advanced, A+ rated PVCu window and doors that enhance every style of home. Our product range expands from residential doors to roofline products, all backed with a 10-year insurance backed guarantee for complete peace-of-mind. Located in Ammanford, we serve a broad area across the M4 Corridor and mid-Wales. At Sureseal, we take pride in our product quality, expertise and environmentally friendly materials and practices.

How To Get A Free Quote With Sureseal Windows Limited

It’s 30 seconds and is easy as 1, 2, 3…

1. Fill out a 30-second form

Complete the 30-second enquiry form on this page

2. Speak to the team

A member of the team will call you to discuss your enquiry and give you free, no-obligation, quote

3. Quick installation

We guarantee you'll love your new Windows and Doors

How Upgrading Your Home Should Feel

See what our customers had to say on TrustPilot
Philip R.
April 2024
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"The fitter did an excellent job and the house is so much warmer. First class service."
Adam G.
March 2024
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"From quote to completion Dominic and Chris delivered an excellent service. Highly recommend Sureseal Windows."
John D.
March 2024
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"Sureseal made everything easy. Deciding, measuring, ordering, paying and fitting. Highly recommend Sureseal."
Sabrina S.
January 2024
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"The friendliness and professionalism from all was a breath of fresh air. Highly recommend Sureseal."
Ana T.
February 2024
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"Reasonably priced, easy communication, windows arrived within specified time, fitted within timescale. Very pleased with the experience."
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Rated ‘Excellent’ from 313 reviews on TrustPilot.
Here’s some we have picked out that you might like!

Upgrading Your Windows And Doors FAQs

Got questions? We have your answers!
Yes, requesting a quote is 100% free.
Sureseal offers a range from Casement, Sliding Sash, Bays and Bows and Tilt and Turn windows, to Composite, French, Patio and Bi-folding doors.
All our windows are ‘A’ Window Energy Rated as standard, with the option to upgrade to an A+ Rating.
Yes, Sureseal offers a 10-year insurance backed guarantee on all our PVCu windows and doors.
Absolutely, no project is too big or too small. Contact us to discuss your needs.
Based in Ammanford, we serve homes across the M4 Corridor and mid-Wales from Aberystwyth to Shrewsbury.
Yes, 0% Interest Free Credit is available with Buy Now – Pay Later options (Representative APR 12.9% – over 24 months). We are authorised and regulated by the Finance Conduct Authority FRN 764026. We are a credit broker not a lender and we offer credit facilities from a panel of lenders.
To get a free quote, simply contact us at 0800 233 5576.
Our working hours are 9am-5pm Monday to Thursday, 9am-3pm on Fridays, and we are closed on weekends.

Ready To Upgrade Your Home? Get Started Below!

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