A double glazing showroom near you

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Our high-performance product range includes replacement windows, new doors and conservatories in a range of attractive materials and styles. Our products are custom-designed to add style to your home, whilst providing A+ energy ratings and enhance your security.

Our state-of-the-art double-glazing showroom in Swindon is less than half an hour away from Marlborough! Take a visit to see our product range for yourself, it’s the best way to get a feel for the different materials and designs. You’ll also be able to speak to one of our friendly experts.

Why choose Emerald Windows and Doors in Marlborough?

Fully accredited

FENSA and CPA accredited

Competitive Pricing

Competitive and affordable double-glazing prices

10-year Guarantee

All installations are covered by a 10-year guarantee

Family Run

A family-run and locally reputable company

A+ Energy Rated

A+ energy rated double glazing that meets BER and BFRC criteria

Aftercare Services

Our products come with aftercare repair services

Professional Installers

We employ only highly trained and professional installers

Replacement windows in Marlborough

Our collection of double-glazed windows ranges from the popular casement and tilt and turn styles to heritage sliding sash and flush sash window designs. We also offer bespoke shaped windows for more niche installations. You can choose from uPVC, uPVC wood effect or aluminium materials, depending on your personal tastes. We also offer innovative triple glazing options for boosted thermal performances. No matter the replacement window solution you opt for, they’re A+ energy rated and are fitted with a variety of security elements as standard to protect to your home.

New front and back doors for Marlborough homes

Whether you’re looking for a replacement door for the front or rear of your property, we offer an extensive range, including attractive entrance doors and heritage stable doors. Our glazed bi-fold, French and patio doors will let an abundance of natural light brighten the room. Our door materials include high-performance aluminium, composite, timber and uPVC, and you’ll be able to choose from a plethora of attractive colour choices to suit your existing home. Their designs include sophisticated security features, including robust multi-point locks, for peace of mind.

Modern conservatories and orangeries in a range of styles

Tailor-designed to complement your home, our range of home extensions will add kerb appeal to your home whilst providing much needed additional living space. With a variety of conservatory styles available and a versatile array of colour choices and finishing features, your new conservatory will be sure to impress your guests. We offer weather-resistant glass roofs and tiled roofing solutions, as well as modern lantern roofs. Utilising our innovative double glazing panels, it’s intelligent temperature control features will keep it cool in the summer and retain the warmth in winter. Our conservatories are built to be used 365 days a year.

Home improvements in Lockeridge, Overton, Stitchcombe and Rockley

Whether you live just a stone’s throw away from the River Kennet or in one of the rowed houses alongside the High Street, we’ll install home improvements that keep your home inviting and comfortable. As a family-owned, family-run company, we treat every Marlborough home we work in as if it is our own, providing both a friendly and personal touch to any project we undertake. As a fully accredited company with a plethora of customer testimonials, you can trust that we have in-depth knowledge along with excellent customer services. Get in touch with us today or visit our Swindon double glazing showroom to see how we can transform your home!

Authentic upvc sash windows

Expert window, door and conservatory installers in Marlborough

Marlborough has seen substantial growth since the early 20th century with the council building houses in places such as Chiminage Close, Coldharbour Lane and Lainey’s Close. These properties have now become a staple in the town and boast a heritage style. With local expertise, we can enhance the appearance of both old and new properties in the area, using exact materials and decorative features to seamlessly blend with the local trends.

We’ve found some common trends over time in the local area. Our wood effect uPVC sash windows, composite front doors, aluminium bifold doors and tiled roof conservatories are becoming increasingly popular with Marlborough homeowners. They’re a sure way to add the ‘wow’ factor to your home, whilst retaining the local elegant appearance and improving the performance of your property. Whether you reside around the high street, near Silbury Hill or Manton, or somewhere in between, we can install made-to-measure home improvements.

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Three Best Rated top window fitter in Swindon

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.


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Areas we serve

Swindon-based family run double glazing installers

With a head office in Swindon, a short trip from the motorway, we are ideally located to offer our services across Wiltshire, Reading, Bath, Bristol, Marlborough, Berkshire, Gloucestershire, Oxfordshire, and other surrounding locations.

Emerald provide and install home improvements in all materials – uPVC, aluminium and traditional timber. No matter what material you choose, you can be sure we’ll provide you consistent quality – our work is always finished to the highest standards, whether you’re installing 2 windows or 20!

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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.

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Replacing 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...

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Lesley B

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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...

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Stephanie C

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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...

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Casey Collins

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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...

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Michelle Webb

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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...

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Richard K

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