An endless choice of Sun lounges, Victorian, Edwardian, Combination & Bespoke Conservatories. Supplied and Installed throughout London and the South East. We specialise in the supply installation and construction of conservatories and orangeries in and around the Hornsham areas. Using a dedicated and highly skilled workforce who work to the company ethos of total customer satisfaction.

We are able to offer affordable installations without the added cost of instructing outside contractors, right down to the internal final dcor or the external landscaping if required. We are also your number one choice and local specialist in energy-rated glazing, composite doors and bi-folding doors.

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Window Mart Report

Established in 1998, Window Mart have gone from strength to strength culminating in the opening of their show complex at Old Barn Garden Centre near Horsham. When Martyn Barker, MD started the Window Mart company he combined the knowledge he had acquired over 35 years working in the windows, doors and conservatories industry to establish a business run on the best working practices and highest standards of quality and finish.

Advertorial Report

Window-Mart pride themselves on employing only the most professional of staff with fully equipped vehicles, and not a pushy salesperson in sight, just skilled tradespeople. The newly refurbished showroom complex, situated in Dial Post, Horsham has an extensive range of rooms, windows and doors on display, based at 'Old Barn' Garden Centre.

Windows Report

All our products are designed to complement your Home, with a wide range of beautiful styles to choose from; our products not only improve the aesthetics but enhance a homes security and significantly improve its energy efficiency. Ensuring any investment is matched by your homes future value.

The latest PVCu technology with no compromise, wide range of colour finishes, choice of white, mahogany, rosewood, light oak, cream, black and grey being some of the more popular.Either applied to all surfaces or external only. Our windows and doors are 70mm deep and have been purposely designed for the UK market's unique architecture.

UPVC Windows Report

All the uPVC products we recommend and install not only look beautiful and compliment your property, but will also enhance your home security and energy efficiency. What's more, the addition of uPVC windows will serve to add more value to your property. Along with the energy efficiency and added security that comes with uPVC windows, we can also supply and fit in a wide range of colours and frame finishes to suit both your taste and property.

Doors Report

Adding a new door to your home is the perfect way to really make an entrance. Selecting an elegant, new exterior door can create an unsurpassed sense of style and security and provide the perfect welcome to your home. The look and feel of your home says a lot about you. It is very much a statement of your personality and taste.

Reviews (6)

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Nigel Harris

Dec 12, 2021

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After a consultation with the owner, Martyn,we received a detailed design and quotation for a Double Hipped Edwardian conservatory measuring 5 meters by 4 meters.
A payment plan and schedule of works was sent to us.
We found the staff, Mark and Scott were punctual, hard working and curteous.
The quality of workmanship and material used resulted in an excellent build.
We are very happy with the the conservatory and would certainly recommend Window Mart.

Adrian Lawrence

Dec 06, 2021

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Excellent from the start to the finish of our extension. All the builders turned up when they should. Worked diligently and accurately. First class all round. There were a couple of hiccups on the way, all resolved quickly. To be frank it was quite stress less.

Sean Wilkinson

Dec 05, 2021

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Martyn & his team built an orangery onto the side of our house and we were very pleased with the work they did. It has added a great new living space to our home. Their work was of a high standard and their communication thought the project was great and the price agreed was the price paid, no hidden costs. Would definitely recommend them to anyone looking to take on a similar project.

Denise Andrews

Nov 21, 2021

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I,ve used Window Mart several times to replace the single and triple bay sash windows in my large victorian house, the service has been great, the windows are of excellent quality everything is left neat clean and tidy. I would definitely recommend.

Chris Tompkin

Nov 18, 2021

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Very professional, friendly service. Very happy with our lovely new front door.

David Russell

Nov 14, 2021

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Excellent company, very easy to deal with. Prompt quotations and the job done on time. We had bi-folding doors, a couple of sliding doors and a new front door, all very well done. Highly recommend.