The South West’s leading supplier of

double glazed windows, doors and conservatories.

Impressive home improvement solutions

for every area of the house.

Whatever your budget,

Seal-Lite has the product you’ve been looking for.

A Swish-approved fabricator, Seal-Lite is an expert supplier and installer of thermally efficient, stylish and secure double glazed UPVC windows, doors and conservatories throughout the South West. No other local firm can match our home improvement experience. Best dissertation service!

We have a very broad selection of UPVC and hardwood products for those looking to replace their old windows and doors or have a conservatory fitted so that they have more home to enjoy. Clevedon, Nailsea, Portishead and Weston-super-Mare are just some of the areas we serve if you’re looking for windows, doors and conservatories that promise to deliver superb energy efficiency, security and aesthetics.

We can specially custom-build our products for your home

Our designers are skilled and experienced enough to produce UPVC windows, doors and conservatories in various styles and they can be finished in a host of traditional and modern finishes – your home will never have looked better .  

We frequently use materials like UPVC because of its unparalleled strength, thermal efficiency and the fact that it requires a fraction of the maintenance demanded by timber.

Excellence as Standard - the industry’s most trusted charter for installers

Seal-Lite is proud to be a recognised member of Excellence as Standard, an installer programme set-up to improve industry standards and promote excellence amongst UK installation companies. To be accepted onto the programme, we were rigorously assessed and had to provide evidence that we display the very highest standards in everything they do.

We have pledged our long-term allegiance to the programme which demonstrates to customers that we’re a firm they can completely trust.