Essex Double Glazing

Why do more homeowners choose Extra Windows?

Because we care! After 17 years our family run business still has family values at it’s core. As well as some of the finest windows, doors, conservatories and roof solutions on the market. All supplied with a smile, our unbeatable 15 year guarantee and a host of amazing finance options.

Extra windows guarantee to not only offer our clients the very best quality windows, doors & conservatories in Kent, but also give you a first class, personal service with unbeatable long term guarantees and amazing double glazing finance options. As the South East’s premier replacement window, door, conservatory and replacement roof installer, Extra Windows offer our clients the very best quality replacement windows, doors & conservatories. If you are looking for a local double glazing installer who provide tailor made frames, delivered and installed throughout Kent, Surrey & Essex then look no further!

Getting a quote for your replacement windows, doors, conservatories and roofs could not be easier. With our price promise, you can guarantee to get an unbeatable price. Call Extra Windows free today on 0800 810 0330 or drop your details in to our simple form to get your project started.

Price Promise

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Double Glazing Finance

Double Glazed Windows


A range of quality replacement windows to suit all homes, budgets, & styles.

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From composite front doors to the latest bifolding doors, view the full collection.

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Quality conservatories designed and built tailored to your exact specifications

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Add a stunning orangery to your property, to help give you extra space that can change the way you use your home.

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Replacement roofs

Replacement Roofs

Make your conservatory more usable all year round with our range of thermally efficient roofs.

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Our range of Fascias, Soffitts and Guttering products to help transform the appearance and style of your home.

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Double Glazing Showroom

Looking for a double
glazing showroom in Kent?

Whether you are looking for a double glazing showroom in Kent or would prefer somebody to come to your home, measure up and talk you through the options, Extra Windows are the name you can trust.  With thousands of verified online reviews from our happy customers, Extra Windows give you complete peace of mind that your home improvement project is in safe hands.

Extra Windows
Unit 7 & 8 Riverside
Sir Thomas Longley Road
Medway City Estate

0800 810 0330

Which Trusted Trader
double glazing kent

Featured Projects

Extra Windows have been fitting the finest windows, doors & conservatories for a number of years now. We have an amazing group of customers with some beautiful homes. See some of our latest examples here.

Double Glazing in Kent

Double Glazing in Kent

We have installed a full house of Double Glazed windows here in Swanley, with a stunning Edwardian replacement front door

conservatory orpington

Conservatory in Orpington

We constructed this stunning Edwardian conservatory, with a celestial blue roof and French Doors for this family in Orpington, Kent.

Warm Roof

WarmRoof in Ashford

We completed a conservatory roof conversion for this property in Ashford, Kent, with the WarmRoof changing the way this home us used all year round.

Lantern Roof

Lantern Roof in Maidstone

As Which certified Ultraframe installers, we recently built an extension with lantern roof and Ultraframe Roof Lantern in Maidstone.

Inspiration & Ideas

We believe in sharing. Check out our blog posts to give you home improvement ideas and tips for your home


What are the different types of conservatory?

There are so many different styles of conservatory to choose from. Picking the perfect conservatory for your home is easy with Extra Windows. Read our helpful article and get in touch to design the perfect conservatory for your home.