Bi-folding doors

Castle Conservatories Aluminium Bi-folding doors are made by Origin the leading manufacture of bi-folding doors.


Each bespoke bi-fold door is designed and manufactured to the highest quality and exceptional care is taken in designing these doors for durability and long term performance, this is why these doors come with a piece of mind 20 year guarantee. We have a number of configurations to suit all your needs whether they all open to one side, open to both sides or even a corner set of bi-fold doors to bring your garden inside your home.

Thermal values and security

These doors come with a certified U value of 1.3 which surpasses the British building regulations by a significant margin and they come with advanced thermal breaks and weather tight seals working together with the 8 point locking mechanisms ensuring maximum compression for increased weather resistance.

Safety first

These bi-fold doors come with a bespoke finger safe Gasket between each door leaf, which ensures that even when they are fully open to their maximumthere is no gap for little fingers to get trapped in and the threshold design allows the bottom track to be encased in the floor and the rollers of the doors are at the top not the bottom which also allows 100% no worry free gliding.