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Quality windows & doors in Slough and across Berkshire

Are you looking for top-quality windows, doors and more? Then Sunny Double Glazing Ltd are the team to call. We offer great products and great service at even better prices. Call today.

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A trusted supplier of windows, doors and conservatories

Welcome to Sunny Double Glazing! Based in Slough and operating right across the region, we’re one of Berkshire’s leading manufacturers and installers of top-quality, German-specification, double-glazed uPVC windows and doors. With all products manufactured to fit your property perfectly, we can guarantee an excellent result every time. We have an excellent reputation that we’re very proud of, and we see every project as a chance to show why people think so highly of us – we get a huge amount of our work through word of mouth and recommendation. If you’d like to know more, we welcome enquiries so please get in touch! We’ll be happy to provide you with a free, no-obligation quote.

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“I found the company very easy to deal with and the fitters were super helpful and professional, I would recommend them to anyone.”

-Lisa Owen (Google review)



To find out more about the market-leading doors and windows that we manufacture at Sunny Double Glazing Ltd, call our team today.

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