Capital Windows

Capital Windows: Trust the Experts

Capital Windows have over 30 years experience manufacturing and installing an exceptional range of windows, doors and associated products.

Whatever the project, we have the right approach and materials for the perfect finish.

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Capital Windows: Trust the Experts


Explore our class leading range of bespoke and individual aluminium window solutions guaranteed to transform your home.

Offering the latest in design and technology, they provide maximum light, high security and superior thermal performance.

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A distinctive range of maximum security entrance doors.  Available in a choice of materials, they benefit from the latest in material technology, superb craftsmanship and design.

A choice of the finest doors for modern or more traditional homes.

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Order a brochure

Want to browse our range away from your screen? Submit your details and we will send you out a brochure.

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Visit Our Showroom

Visit our premises to view the product range and meet the team who can recommend the perfect window or doors for your home.

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Experience, Quality and Value from Capital Windows

The home improvement industry has undergone many changes over recent years. These include changes in building regulations, product specifications, increasing window energy ratings and new technology in windows, doors and glass.

Our many years experience means we have manufactured and installed such a large range of products that we have the expertise and knowledge to provide you with exactly the right products for your own particular home, budget and wishes.

Established aluminium window and door experts

Our reputation is built on our manufacturing ability and exceptional installation service. Added to this is our expert knowledge of all products available and being able to provide homeowners with a much wider product range than other window companies.

Where many are tied to one particular brand or product, we believe in offering our customers real choice and value. At Capital Windows you’ll find a choice of door and window solutions in a choice of materials. All are expertly chosen, precision made and professionally installed to meet any property requirement, your design aspirations and your budget.

Best of all you have the peace of mind that the same company installing your new windows and doors also makes them.

Make an Enquiry

Our products are custom made for your property. Simply complete the form and we will be happy to answer any questions or to arrange a quote.

How Capital Windows protects your information

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Our Promise

We're determined to ensure the highest quality and the best experience for every customer.

Capital Windows Blog

Advantages of aluminium lift and slide patio doors

Lift and slide patio doors are an excellent product to consider in the home. You may already be familiar with sliding patio doors or inline sliding doors but what is a lift and slide door and how is it better?

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What is Secured By Design?

One of the reasons people look to replace either existing windows and doors is to improve security in the home.  Modern PVCu and aluminium windows are now fitted with advanced multi point locking systems that feature either mushroom type espagnolette locks, shoot bolt locking or a combination of the two.

For any homeowner looking at the specifications of their new windows and doors often they will see that they are Secured By Design tested. So what is Secured by Design and why are so many window systems tested to its standards? Read More ›

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