Barnet Window Company are North London’s leading specialists in the installation of premium aluminium bi-folding doors. Designed to transform your living space, our bi-fold doors stack away neatly to open up an entire wall of your home, creating a spectacular, seamless connection between your indoor and outdoor areas.
Perfect for modern extensions, kitchen diners, and renovations across North London, bi-fold doors are the ultimate way to maximise light, space, and your enjoyment of your garden. As a Which? Trusted Trader and FENSA-accredited family business, we guarantee a flawless installation and a product that offers the very best in contemporary design, security, and thermal performance.
While offering stunning aesthetics, our bi-fold doors are engineered for exceptional performance, security, and safety for your North London home.
Imagine effortlessly sliding and folding away your doors on a summer’s day, creating one large, open-plan area for entertaining friends and family. This is the unique lifestyle advantage that bi-fold doors bring to your North London home.
By opening up an entire wall, they remove the barrier between your indoor and outdoor areas, making your living space feel bigger, brighter, and more connected to your garden or patio.
The slimline aluminium frames ensure your view is maximised even when the doors are closed, offering a clean, modern look that suits any property style. It is the ultimate way to enhance both your home and how you live in it.

Single traffic door, all three sections fold in one direction.

Single independent traffic door with two doors folding in opposite direction.

No traffic door, all four sections fold in one direction.

Single independent traffic door with three sections folding in opposite direction.

Single traffic door, all five sections fold in one direction.

Single independent traffic door with four sections folding in opposite direction.

Central traffic door with two additional sections folding in one direction.

No traffic door, all six sections fold in one direction.

Single independent traffic door with five sections folding in opposite direction.

