Whether you are looking to extend your home or replace an old conservatory, a glass box extension is a great way to enhance your living space.

Glass extensions are a stylish and practical alternative to traditional construction. They bring light and extra space into your home.

More importantly, with high levels of thermal efficiency it can be used all year round. Warm in winter and cool in summer.

Glass Extension

Key features:


  • Custom built by your imagination – a wide variety of shapes, sizes and configurations
  • Maximise light in your home – benefit from the sunlight’s wellbeing properties
  • High levels of thermal efficiency – use your new internal space all year round
  • We take care of the whole process for you – design, build and install

Is a glass box extension right for my home?


We understand every home is unique. There are numerous ways to extend a property whether masonry or uPVC. But none offer the same benefits that an all-glass extension offers.

Our glass box extensions bring light and extra space into your home. They also have a high thermal efficiency which means you can use your interior space all year round.

The glass extensions are all glass structures with floor-to-ceiling expanses of glass. You can opt for a minimal frame or no frame options, which both offer expansive and unobtrusive views to the outside world.

Glass Extension
Glass Extension

How do I extend my home with a glass extension?


The first step is to contact our team, who will deal with your enquiry in a friendly and professional manner. Service is at the heart of everything we do here at Glasstec, and we always ensure we treat our customers as one of our own.

If you are after inspiration, guidance or technical know-how, we are here to guide you through the process. We are experts in bespoke glass structures and have worked on many residential properties with many happy customers.

The best thing about letting us take care of your glass extension is that we take care of everything. From initial design concepts; your glazing structure is then manufactured in the UK; then our expert installation team will take care of everything on-site.

Fill out the contact form and we’ll get back to you as soon as we can. Alternatively feel free to telephone us on 020 8500 2818 or email us at info@glasstecsystems.com