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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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Advice
Why the Residence Collection suits character homes
August 18, 2026
If you own a period property in Wiltshire, Oxfordshire, Gloucestershire, or anywhere across the South West, you already know it’s a labour of love. You get the high ceilings, the charming quirks, and the stunning architectural details that modern builds...
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Windows
Effective window condensation solutions explained
August 14, 2026
Window condensation happens when warm, moist air inside your home meets a cold surface, such as a glass pane, and releases its excess moisture as water droplets. The most effective condensation solutions for windows are improving ventilation with extractor fans...
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Conservatories
Planning permission for conservatories in England
August 13, 2026
Thinking about adding a conservatory to your home? One of the first questions most homeowners ask is whether they need planning permission. It's a fair question, and the answer isn't always straightforward. The good news is that most conservatories in...
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