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High quality windows, doors, Bi-folding and sliding doors


Established in 1994, DSL is one of the largest, most trusted suppliers in the South West of high specification windows, doors, sliding doors and bi-fold doors in Cornwall, supplying windows and doors from Sweden, Germany, Scandinavia and Europe.

Based near Truro in Cornwall, we have over 25 years experience in advising, supplying and fitting a broad range of world-class products including RK Doors, Westcoast Windows, Hon Windows and Sereno Windows amongst others.

We cover the whole of the UK with products that offer quality, combined with advanced performance and appearance, at an affordable cost.

Whether you are a builder, architect, developer or homeowner, our award-winning specialist team will spend time understanding your personal needs and identifying the best window and door solutions for you, providing the highest quality service from beginning to end. With guarantees of up to ten years on some products, we are confident that everything we supply is built to last and give years of satisfaction to our customers across the country.

In everything we do we’re mindful of our environmental impact – conserving energy, using sustainable materials and meeting regulations – we’re responsible and committed.

So for more information or to simply have a chat about your requirements, why not give us a call on
01872 261260 or drop us an email info@dslsouthwest.comwe’d love to hear from you!

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