Aluminium Bifold Doors in Sherborne

At Bill Butters Windows, we offer slim and secure aluminium bifold doors across Sherborne, Dorchester, Yeovil, Shaftesbury, Gillingham, Crewkerne and nearby areas. We partner with industry-leading brands, including Sheerline, Reynaers and Smart, to bring you an exceptional level of thermal efficiency, security and durability.

Grey aluminium bifold doors folded open onto a garden patio

Slim, Seamless Design

Our bifold doors offer ultra-slim sightlines and a seamless gliding motion, creating a smooth transition between your home and garden with uninterrupted views.

Security as Standard

Our Sheerline bifold doors feature a 5-point locking system with full interlocks, keeping your family and home protected without compromising on style.

Thermally Efficient

Sheerline’s Thermlock technology helps our bifold doors achieve U-values as low as 1.0 W/m²K, with triple glazing options from Reynaers helping retain natural heat and reduce energy consumption further.

Sheerline, Reynaers and Smart Visofold

Our Sheerline aluminium bifold doors offer a luxurious look with market-leading thermal performance, while Reynaers bifold doors set the standard for dependable, effortless operation with two to eight leaf configurations and an optional zero threshold for easy access. The Smart Visofold collection is ideal for creating large, open, bright spaces, with a low or rebated threshold option and a thermal break for improved efficiency.

Customisation Options

Choose from two to eight leaf configurations, zero, low or rebated threshold options, and a range of finishes including metallic, wood structure, dual colour and Smart’s Sensations textured collection.

White

Anthracite Grey

Anthracite Grey Smooth

Anthracite Grey Smooth Matt

Black Ash

Black

RAL

Frequently Asked Questions

What are the benefits of choosing an aluminium bifold door over a traditional patio or sliding door?

Aluminium bifold doors provide ultra-slim sightlines, open up large expanses of glass for a seamless indoor-outdoor flow, and offer stronger structural performance than many traditional doors. Our Sheerline range can achieve U-values as low as 1.0 W/m²K, combining excellent thermal efficiency with an expansive glass area.

Are your aluminium bifold doors suitable for both contemporary and traditional properties?
How secure are the aluminium bifold doors?
What colours and finishes are available?
What is the process to get a quote and installation?
Deceuninck logo
Smart Architectural Aluminium logo
Ultraframe logo
Sheerline Aluminium Windows and Doors logo
The Residence Collection logo
Roseview Windows logo
Reynaers Aluminium logo
Solidor logo

© 2026 Bill Butters Windows Ltd

Privacy Policy Cookie Policy

Call Us

Contact Us

Online Quote