Simply the only choice for quality & price

South Liverpool Windows T/A Sureseal have been supplying UPVC Security Doors, Windows and Conservatories in Liverpool and the North West for over 20 years. Sureseal Ltd are a member of Stroma.

The Stroma Glazing scheme is a competent Persons Scheme set up in accordance with The Department of Communities and Local Government. Installers who are members with Stroma are able to certify that the installation meets the current Building Regulations.

Stroma will register your installation electronically with the Local Authority Building Control Office, you will then be issued with Building Control Certificate which records that your installer has certified that the installation meets the appropriate Building Regulations.

Get in touch

We would welcome any visit from you and would be glad to show you our products first hand in our showroom department

uPVC Windows, Doors and Conservatory Supply and Fit Liverpool

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The UK’s first complete fascia’s and roofline system

Climate change, global warming, greenhouse gasses! sometimes seem like the most overused words in our lives today. Yet one thing is clear – our weather is more volatile – we are exposed to more extremes, more hot spells and more violent storms and floods.



The reassurance of dealing with a large and reputable company. The peace of mind that comes from steadfast product and installation guarantees. Impressive design freedom. A proven track record. A genuine commitment to quality.


Rockdoors – Proven To Perform.

Design, build quality, security and attention to detail blend together in spectacular fashion to produce a truly stunning door, a door which keeps you safe and secure. By choosing a Rockdoor for your home you are making a statement.



With every window product we supply, we include another, equally welcome reassurance. It comes in the form of a comprehensive guarantee that covers sealed units, frames, fixtures and fittings.

Our Latest News

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Why choose composite doors

More and more of our customers are opting to upgrade their UPVC doors to composite doors. In this post we look at why we think you should consider a composite door. Composite doors offer a huge variety of style and security features which enables you to pick a door that suits your style as well…


Is it time to replace your double glazing?

Is it time to replace your double glazing? Many of us are lucky enough to have double glazing in great condition, however what if your double glazing has been fitted for more than 10 years, has been damaged or ill fitted? It might be time to replace your double glazing. Replacing your double glazing can…


New Year – New Glazing

First and foremost we would like to wish all of our new and existing customers a HAPPY NEW YEAR!! 2016 is finally here and the team at Sureseal Windows couldn’t be more excited for the year ahead. We had a fantastic year last year and can’t wait to do even better this year. Our main…