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We have over 10 years experience in supply and install of bespoke high performance aluminium timber windows to our customers, throughout Norfolk, Suffolk, Cambridge and East Anglia.

Approved installers of Westcoast Windows Swedish composite windows and sliding doors and Solarlux high quality bi-folding glass doors and wintergardens.

Solarlux Products

All Solarlux systems are constantly tested and subject to continuous further development. They all have test certificates from renowned testing institutes, both domestic and international.


Westcoast Windows AB was founded 1995 by Claes Holm and Ove Svensson, an entrepreneur and an engineer both with extensive backgrounds in the building and window manufacturing industries.


Solarlux Wintergarden
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Triple Glazed Windows

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Aluminium Clad Windows Norfolk Suffolk


“ TWN Ali-clad made the whole process easy for us and delivered a fabulous result to the house”
Phil & Penny Ellis
“We are delighted with the High Performance Ali-Clad Triple Glazed Windows & Doors, that have been supplied by TWN Ali-clad for our Passive Standard Project. The windows and doors arrived packaged on crates with a protective wrap, which gave us plenty of time to install.

We would like to thank Rob and his team for his attention and commitment to our project.”

Jeanie Kitchen
“I am extremely pleased with the windows and doors supplied for our renovation, I am very impressed with the difference they have made to soundproofing the cottage.”
Vince Sheppard
Dear Rob, Just a quick note to say thank you so much for all you and your team did at our house. The windows and doors look great and everyone has commented on how much it has improved the look of the house. Not only that but the practical applications that each window has given us are amazing. Keep up the good work.
Alex Russell
“We are delighted with the new windows, they have transformed our house. The service from Rob and the team was excellent throughout from site measurement to delivery and completion of the installation. An excellent job thank you.
Richard Leigh
“From our initial meeting with TWN to the installation of the windows we have received a professional, friendly and importantly, efficient service. Rob has always been on hand to answer any questions and guide us through the process (we don’t order a house full of bespoke windows every day!) his extensive knowledge and experience has been invaluable.

We are so impressed with the high quality and standard of the windows and doors, we were expecting them to be of a good but they have surpassed all our expectations. Not only do they do the job they are intended for but they look great too, I’ve lost count of how many people have complimented them!!

Great company, friendly staff and superb product, we would use them again in a heartbeat”.

Tracy Livingstone
I would just like to thank all the team at TWN Aluminium Clad Windows for their help from the initial quotation stage through to installation, I am very happy with the overall appearance and specification which compliments the architectural style of my house. The windows and doors have allowed me to achieve my desired end result with large openings that allow for an uninterrupted view of the outdoors.
David White
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