4.9/5 - 597 Reviews
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98% - 88 Reviews
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4.9 - 491 Reviews
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We have a decade of experience installing quality home improvements in the South and across the M4 corridor. It’s highly likely that we’ve worked on a house near you! With a huge range of windows, doors, conservatories and more, you’re sure to find what you’re looking for with us.
At Emerald Windows and Doors, we pride ourselves on being able to provide a selection of exceptional quality products at an extremely high standard, making us one of the best home improvement companies in the South West you can find. We also supply A+ rated window and door products as standard to ensure that your home offers the best security, performance, and energy efficiency as possible.
FENSA & CPA accredited, assuring high standards of quality & service
Affordably priced, high quality products all covered by a generous 10-year guarantee
Family-run business to give all homeowners that personal & friendly touch
All double glazed windows meet with BER & BFRC criteria
Aftercare repair service for any product installed by us
Team of impartial and highly trained fitters with in-depth product knowledge
Emerald Windows are experienced installers of high quality windows, doors, conservatories, and conservatory roof replacements. Capable of improving properties across Swindon, Reading, Bath, Bristol, Marlborough, Melksham, Cheltenham, Gloucestershire and Oxford, we have been in operation since 2004. In fact, we have recently been named the top window fitters in Swindon by Three Best Rated
Whether you’re looking for a new front door, a beautiful conservatory, or a houseful of replacement windows, we offer a plethora of high quality home improvement products. We can offer you a comprehensive quote which covers our supply, fit and aftercare service.
Get a QuoteAs a family-owned, family-run company, we are able to provide a friendly and personal touch to any project we undertake, treating your property and garden no differently than how we’d treat our own.
We never employ pushy, high-pressure salesmen. Instead, you will always deal with us directly, and we’ll always visit you personally to discuss your desired project.
Explore our Finance optionsOur managing director Martin has been operating within the home improvement industry since 1998, providing double glazing to the people of Southern Ireland, before setting up Emerald Windows here in Britain in 2004.
From here, we’ve grown into one of Swindon’s most popular and appreciated home improvement installers thanks to our acute focus on providing high quality products to the people of Bristol, Reading, Oxford, Bath, and of course, Swindon.
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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.
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 ReviewsEmerald 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...
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...
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...
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...
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...
Why not read through some of our informative blogs, written in the aim of answering frequently asked questions on all things home improvement related.
See all newsJanuary 13, 2026
Waking up to find your windows covered in water droplets is frustrating. Window condensation is a common problem in UK homes, particularly during the colder months when we're keeping our homes warm while temperatures drop outside. Understanding why condensation forms...
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December 26, 2025
Your front door is the first thing visitors see, and it plays a vital role in keeping your home secure, warm, and looking its best. With so many options available, it's easy to feel uncertain about which material is right...
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December 11, 2025
Many homeowners across Swindon and the surrounding areas find themselves with an underused space that could be so much more. They had big dreams when they installed a conservatory, but for one reason or another, they find themselves using it...
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