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Spread the cost of your home improvement Interest Free Over 2 Or 3 Years*
Windows
Discover our range of window styles and colours.
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Doors
From uPVC entrance doors to composite, bifold and patio doors.
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Conservatories
A range of styles to suit any home - we also offer roof/glass replacement.
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Shutters
Shutters give you the perfect balance of practicality and style.
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Garage Doors
We supply electric roller garage doors that innovatively protect your garage.
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Roofline
Guttering, Soffits and Fascias to add the finishing touch to your home.
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Fully Accredited
A company that you can rely on
We know how hard it can be choosing a reliable double glazing installer – a decision that is made much trickier if you are parting with a substantial amount of money. Fortunately, Emerald are trustworthy and will never use a hard sales approach, so you can feel at ease when welcoming us into your home. Here at Emerald, we are a FENSA registered company, and are members of both the GGF and CPA, which gives our customers that extra peace of mind.
What our customers are saying
We pride ourselves on the hundreds of customer reviews that we have collected over our many years of trading. Why not read some of our testimonials yourself, and see how our customers have rated their experience with our service.
See All ReviewsReplacing patio door with a window
Emerald windows were brilliant. The patio door was removed and replaced with a window. All work was carried out from bricking up the outside to plastering the inside. Great work...
Lesley B
Local Family Friendly Company
We worried about choosing a window company. We looked at all the usual national firms but we preferred the feel of a smaller local family run business as the rep...
Stephanie C
Very Pleased
Very pleased with the whole process from Mark letting us see and touch the product in the showroom in Swindon (many don't!), to a transparent price breakdown, no "buy now...
Casey Collins
Highly Recommended
Highly recommend Emerald Windows and Doors; new Front and back doors fitted yesterday. Cannot praise Mark the Fitter enough, courteous, friendly and very helpful. Top job with attention to detail...
Michelle Webb
Emerald Windows – A Quality Product
Emerald windows have just installed a new composite front door to our property. We are very pleased with the product and the installers were polite, professional and have carried out...
Richard K
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Book a Free Quotation
If you would like to visit our showroom or would like us to visit you at your home, follow the link to complete a quick form. We will be in touch to arrange a time, date and location that suits you.
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Design Your Door
We supply the leading brands of composite doors, each of which has their own distinctive styles and furniture options to choose from. Follow the link to build your own custom door and get a quote.
Door Designer
News from Emerald
Why not read through some of our informative blogs, written in the aim of answering frequently asked questions on all things home improvement related.
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Windows
How long do aluminium windows really last?
September 17, 2026
If you're weighing up new windows, aluminium has earned a strong reputation for its durability in the window market. A good quality aluminium window, properly installed and cared for, will last 35 to 45 years, a genuine long-term investment in...
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Advice
Home Improvement Finance in 2026: Is It Better to Pay Cash or Use Finance?
September 10, 2026
Home improvement finance isn't automatically more expensive, and it isn't only for people who can't afford to fund their project themselves. Different payment options work in different ways. At Emerald Windows & Doors, customers can fund their project themselves, defer...
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Guides
Timber effect uPVC windows: Style without the upkeep
August 19, 2026
In this article: What are uPVC wood grain effect windows? Why wood grain effect uPVC suits heritage and period homes How the woodgrain finish is achieved Wood aesthetics without the wood problems Security built into the frame Flush casement and...
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