About Extreme Windows Ltd

When looking for a double-glazing company in Kent it is essential that you find one you can trust to offer a high quality, guaranteed service. Based in Maidstone, Extreme Windows Ltd is a family-run, reliable and professional double glazing installation and repair company with over 20 years’ of experience.

We pride ourselves with the highest standard of craftmanship and first-class customer service.

Extreme windows Ltd have solutions and ideas to suit your needs however big or small your budget.

Double glazing has the potential to significantly reduce your fuel consumption by improving the insulation of your home and reducing heat loss via windows and doors; an investment which in the long term could save you a considerable amount of money. All of the units we offer are high quality and energy efficient whilst improving the style and value of your home. In the case of listed buildings we are able to advise on secondary glazing which is a cost-effective, non-structural alternative to traditional triple or double glazing.

In order to maintain our high standards and promote excellent service throughout our organisation, Extreme Windows Ltd is registered with the following professional bodies. These help us to ensure that we continue to work to a high standard and in many cases provide you with added warranties on your double and triple glazed windows, doors and conservatories:

Corgi Fenestration
NAPIT

We offer a broad range of double glazing and secondary glazing installations and repairs including:

UPVC & Aluminium Windows
Front Doors
Back Doors
French Doors
Patio Doors
Bifolding Doors
Cladding
Glass Replacement
Conservatories
Porches
Composite Doors
Fascia / Soffits / Guttering
Flat Roofs

As well as windows and doors we can provide a whole array of home improvements, with 24/7 support from design to completion. We also provide a supply only service for products if you want to install them yourself.

Please don’t hesitate to contact us for a free, no obligation quote.

We are here to help whether it is a minor repair or a full installation. speak to our friendly customer service team now to find out how we can help you.

For more information about the full range of double and secondary glazing services we offer visit our website

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Accreditations and Memberships

Corgi