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Sectors We Work In

Expertise across the glazing industry

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Premium aluminium sliding patio doors used in a luxury new build property

A range of sectors

At Dekko Window Systems, we work with a variety of customers.  We supply direct to trade installers, architects, and house builders, and can also help homeowners to contact a Dekko Approved Installer.  Working with a diverse selection of customers has given us essential insight into the glazing industry.  Our manufacturing teams have excellent product knowledge which is shared by our Approved Installers.  Working alongside house builders and trade installers has helped us to stay up to date with industry trends and developments.  We understand the ever-changing fenestration industry and which products are the most popular.  This allows us to provide extensive marketing support to trade installers to help them build an extensive customer base.


We offer all our trade customers high-quality products such as aluminium sliding doors to help their business to succeed.  We provide technical advice and installation support and always work together with our trade customers to ensure the best service is provided.  We offer excellent lead times on all our products to help you to fulfil installation schedules and we provide a nationwide delivery service which is effective and efficient.

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Trade sector windows and doors
House builders

House Builders

At Dekko Window Systems, we have worked with some of the UK’s top house builders.  Our PVCu windows and doors have been specified on numerous occasions for a range of new build projects.  We have also supplied high-performance composite doors for building projects where security is extra important.  We can supply large quantities of windows and doors for large-scale building projects with excellent lead times on product delivery.

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Architects need to consider a variety of factors when working on a building project.  The more information available to them, the better.  At Dekko, we have extensive product knowledge and can assist architects with multiple facets of their project.  From specifying the best products to ensuring that Building Regulations requirements are met, we have the knowledge and experience to help your project reach a successful conclusion.

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Whether you live in a modern property or a more traditional home, Dekko can help you to improve your home.  We have a nationwide network of Dekko Approved Installers who can help your dream home to become a reality.  Our local installation teams have extensive knowledge of your area and it’s highly likely that they’ve recently worked on a property like yours.

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Fast delivery and would highly recommend

"Ordered double glazed window for our shop. Dealt with Nathan on the Trade Counter, who was excellent and went above and beyond the usual customer service. Window was very well made and arrived with no problems. Fast delivery and would highly recommend."

Tony Spooner

The windows look fantastic

"Recently used Dekko Windows to supply the windows and aluminium bi-fold doors for our renovation project. We paid a short visit to their showroom where Rob and Neil were really helpful, showing us around and providing options for us. We were really happy with the whole process and the windows look fantastic. Would definitely recommend this company."

Richard Kennedy

Very happy with the level of service and products

"I've been using Dekko Windows for a number of years now and have been very happy with the level of service and products. Rob and Neil have never failed to get back to me promptly with quotes and lead times etc and Leon the delivery guy is always happy, friendly and helpful whenever unloading frames on site."

Peter Bain

Excellent service

"Excellent service. It's always a joy to deal with Rob, Neil and Leon. They always go out of their way to assist me with my projects and are very professional and friendly. Thanks again to the Swindon Dekko Team!"

Jordan King