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Welcome to the family

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 10 year guarantee and a host of amazing finance options.

Extra guarantee to not only offer our clients the very best quality windows, doors & conservatories in Kent and Essex, 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 offer our clients the very best quality home improvement products on the market. If you are looking for a local double glazing installer who provide tailor made frames, delivered and installed throughout Kent, Essex, London & Surrey then look no further!

Getting a quote for your replacement windows, doors, conservatories and roofs could not be easier.  Call Extra free today on 0800 810 0330.

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 are the name you can trust.  With thousands of verified online reviews from our happy customers, Extra give you complete peace of mind that your home improvement project is in safe hands.

Unit 7 & 8 Riverside
Sir Thomas Longley Road
Medway City Estate, Rochester,
Kent, ME2 4DP

01622 909400

double glazing kent
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. Read our helpful article and get in touch to design the perfect conservatory for your home.