GIS Windows were established back in 1982 and have their main offices and factory based in Luton. They supply windows, doors and conservatories to retail customers as well as for new builds in London and the south east.
Because the manufacture their own products in their 45,000 square foot premises they have complete control over the design and quality the windows they produce and they seem pretty proud of the end products the
If you want you can even design your own windows, take a look at the one below designed by one of their customers.
Their "Casement" are manufactured to the exact size for your home, this tailor made approach leads to a much better finish.
Their PVC-u windows will reduce noise, keep your home free of draughts and keep you much warmer in the winter months. They incorporate many security features (as specified by British Standards and Secure by Design) which you may not get with your current windows.
All of their products are available in white, woodgrain and sherwood (a light oak) with several variety of styles. They are slim, have stylish lines with elegant beading made with steel reinforced construction, energy efficient design and the low maintenance that has made the range so popular.
RCM (recycled composite material) is now an optionally available on all of their products, this is a great material to be environmentally friendly and has proven to be popular by their local authority customers.
Below is a picture of UPVC windows finished with black woodgrain for a traditional look with plenty of character.
GIS have a team of builders, so they can do the whole job from start to finish eliminating the need to deal with contractors for the base and brickwork of your conservatory.
The experienced team will do everything that is needed for a top class conservatory including the plumbing and electrical works and even under floor heating or air conditioning.
As standard there are several type of designs to choose from all of which look fantastic and are very functional. They can help you with designing your conservatory and guide you through any planning permission needed to build a conservatory in London.
A conservatory they completed last year.
Colourful UPVC Windows with plenty of character.