See Our Latest Finance Deals
Spread the cost of your home improvement Interest Free Over 2 Or 3 Years*
4.9/5 - 597 Reviews
Read Reviews
98% - 88 Reviews
Read Reviews
4.9 - 491 Reviews
Read Reviews Read Reviews
New Product Available - Composite Doors
Newest innovation in our range of composite door styles —the SleekSkin finish!
New Product Available - Shutters
A low maintenance addition to any window
Buy Now Pay 2026!
Transform your home with new windows, doors, shutters or a conservatory - pay nothing until 2026.
Windows
Discover our range of window styles and colours.
Find out more
Doors
From uPVC entrance doors to composite, bifold and patio doors.
Find out more
Conservatories
A range of styles to suit any home - we also offer roof/glass replacement.
Find out more
Shutters
Shutters give you the perfect balance of practicality and style.
Find out more
Garage Doors
We supply electric roller garage doors that innovatively protect your garage.
Find out more
Roofline
Guttering, Soffits and Fascias to add the finishing touch to your home.
Find out more
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
Or click a platform below to leave a review:
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.
Get a free quote
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.
See all news
Windows
Why choose uPVC windows? The ultimate guide to style, durability and efficiency
July 29, 2025
If you're considering upgrading your old windows, you may have come across the term uPVC. Short for unplasticised polyvinyl chloride, this outstanding modern material is one of the most popular choices for window frames across the UK, and with good...
Read more
Composite Doors
Understanding composite door prices: What affects the cost?
July 21, 2025
Choosing a new composite door is a great way to improve your home's security, appearance and energy efficiency – but how much should you expect to pay? If you’ve found yourself asking this question, you’re not alone. One of the...
Read more
Doors
The benefits of installing French doors to transform your home
July 15, 2025
French doors have been adding light and character to homes for hundreds of years. Originally developed in 17th-century France, they were created to maximise daylight, using tall panes of clear glass to brighten interior spaces. That same principle still works...
Read more
