Capital Windows: Bifolding Doors

Capital Windows have over 40 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.

Add Style, Value & A Complete Transformation To Your Home

The bifolding door remains the ultimate home improvement product and today consumers have a huge choice in bifolding doors. In choosing a bifolding door it is important to choose a company that understands this complex product, how it is manufactured, and very importantly how it is installed in the home.

Capital Windows are your local bifolding door experts.  We offer you a choice of aluminium bifolding doors, each with their own individual features, styles and specification.  We guarantee a folding door to add style, value and a complete transformation to your home and how you use it.

Extensive Choice

Products are available in a wide choice of colours and finishes.

Industry Experts

Celebrating over 40 years of in the fenustration industry.

Our Promise

The highest quality and best experience for every customer.

Fensa Registered

Energy efficient and compliant with the latest regulations.

Evoke Bifold Aluminium Doors

Reynaer Bifolding Doors

Reynaers are a global brand in aluminium synonymous with providing some of the best architectural aluminium products. Our specialist Reynaers bifolding doors offer the discerning British home owner an exceptionally well designed and crafted bifolding door.

They will transform any room to one that will be a feature of the home. Find out more about these stunning aluminium bifolding doors from one of the best known names.

ALuK Bifolding Doors

The AluK bifolding door has long established itself as one of the most popular bifolding doors in the market today. A modern product that is versatile, flexible and aesthetically very pleasing, it remains popular with homeowners.

The AluK sliding folding door has slim sight lines, excellent running gear giving a smooth and effortless operation. With AluK bifolding doors you will enjoy large glass areas and light transmission into the home.

Choose An Experienced Manufacturer & Installer Of Bifolding Doors

With bifolding doors being the must have product of today, it is important you choose the right product from an experienced company. Bifolding doors will transform your home and will provide a large glazed area that will seamlessly connect your inside and outside spaces.

Available in a range of two to seven panel opening options, our Folding Sliding doors are manufactured locally in our Uxbridge factory and help you to create an open,flexible and modern space for both living and working environments.

Whether you choose to relax in a stylish open plan living area or you want to create beautiful panoramic views from any room, our range of bifolding doors are designed and manufactured for long term performance.

At Capital Windows we offer a brilliant range of sliding folding doors to suit your needs. Our doors can be designed to slide either to the left or right, depending on your project requirements, with the actual site installation and assembly process easily completed by one of our experienced installation teams. Furthermore, the low threshold cill we offer combines ease of access with some superb aesthetics.

Bifold Doors Demo Closing

But did you know, the bifolding door, given its complex hardware and number of leaves needs to be expertly designed, manufactured and installed? Only in this way will a product often comprising of many door leaves give many years of reliable good service.

Capital Windows manufacture bifolding and sliding folding doors in aluminium from class leading designers of bifolding doors such as Reynaers and AluK. We are passionate about offering our customers the most reliable, well designed and high performance products guaranteeing long service life and to look good for many years to come.


Established in 1979, Capital Windows Ltd provide the biggest choice of home improvement products from the leading names and systems companies.