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Bi−Folding Doors can complement any home, and will give you a whole new feel as you will open up panoramic views and bring the warmth and light of the outside indoors.

Bi−Folding Doors can complement any home, and will give you a whole new feel as you will open up panoramic views and bring the warmth and light of the outside indoors. Increasingly popular, Bi−Folding Doors can be chosen to match the style of your home and provide a smooth transition between your rooms, or between indoor and outdoor spaces.

More and more Washington Aluminium Services Ltd customers are choosing Bi−Folding Doors, adding space, light and elegance to their surroundings, adding that special touch to their homes.



You can choose from PVC−U, Aluminium or traditional wood, and they are an attractive alternative to French Doors or Patio Doors. They are available in a wide range of colours and finishes. Bi−Folding Doors remain slim in profile and relatively unobtrusive owing to the strength of the modern materials used.



Unlock unbeatable savings with our Bi-Folding Door Spring Mega Deal!

Elevate your space with premium grey aluminum Bi-Folding Doors, complete with glass and locking accessories, expertly supplied and fitted for just £870 per door leaf, including VAT.


Don't miss out on this incredible offer!


Explore our latest supplied and installed bi-folding doors in and around Washington.


Bi-folding doors are a more recent innovation in the PVC-U industry but are proving a popular choice in many styles of home.

A wide range of door configurations which are also available in an aluminum frame can be accommodated with our flexible system, all of which can open in or out.

The integral aluminum running track allows you to specify a low fitting threshold if necessary. With planned survey and installation, this avoids the need for a step on either side and further increases the feeling that your indoor and outdoor space is one.

bi folding door opening config


Washington Aluminium Services Ltd Bi Fold Doors feature the latest in high performance and high security multi point locking systems. Our unique Yale 8 point locking system on our Bi Folding Doors conform to demanding, police preferred ‘Secured by Design’ standards.


Chamfered 20mm linear bolts offer smoother operating and maximum compression for increased weather resistance and deep throw 25mm security hooks for the maximum contact possible.

Our Bi Fold Doors will keep you warm in the cold winter months and cool in the hot summer months.


With a Certified U Value of about 1.6 W/(m2K)* on our Bi Fold Doors we surpass the British Building Regulations by an industry leading 27%. This gives you more design flexibility on bigger projects, keeps your energy bills low.

Our Bi Fold Doors sweep away the boundaries between the inside and the outside of your home. Bi Folding Doors offer timeless aesthetics, superior engineering and premium quality to ensure that the beauty and relaxation they add to your home will be an integral part for many years to come.


Low threshold designs on our Bi Fold Doors allow for equal floor finishes inside and out. There are two options available; weathered and non weathered.

Nothing is more important than safety and comfort in your home and above all, the safety of your most precious little people.


With this in mind, the Bi Fold Doors system come with a bespoke ‘finger safe’ gasket between each door leaf, which ensures that even when they are fully open and folded to their maximum extent, there is no gap for little fingers to get trapped in.

Bi Fold Doors need to slide smoothly this is an area which indicates how good the Bi Folding Doors are that you buy.


Our Bi Fold Doors are designed to give the very best sliding motion and to do this the bottom of each door section has its own long wheelbase solid aluminium carriage with four wheels that run inside a low threshold base track.

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