Hey! I'm Tony Northall

Thermseal Windows is a family-owned business that aims to be the premier provider of home improvement services, producing quality double glazing. Whether you are looking to put the finishing touches to a dream property or are undergoing a complete refurbishment – or anything in between – we are at your service with a dedicated team of experts.


About Us:

Thermseal Windows offer a bespoke window fitting service in Oswestry, Wrexham and the surrounding areas.

We offer the very best option for double glazing in and around the Oswestry and Wrexham area for anyone that is looking to maintain a current style, try something new or just want to take advantage of the latest in security and home efficiency.

Whatever the age or style of your home, we have a range of windows to suit you.

Whether on the front of the house or the back, doors can be every bit as important as windows when it comes to not just the image of a home, but also the security and efficiency.

We ensure that our products not only measure up to expectations regarding safety and security, but also look great in the process.

Make the best of the outdoors by transforming your outdated conservatory with an innovative replacement glazed extension.

We are proud to offer every style to suit your budget and design, such as orangeries, solid Guardian Warm Roof conservatories and traditional conservatory. All bespoke and made to fit your criteria.

We’ve fitted hundreds of beautiful high security, low maintenance conservatories and we would love yours to be next. We will take care of you right from the beginning to completion. Looking after planning, guiding you through designs, colours, locking and much more. We want you to love your new conservatory so as soon as your ready give us a call or pop down and we will start working on releasing your dreams.

Check out our websiteFollow Us on Facebook