Airdrie Retail Park – A New Shop Front Screen
When a new veterinary practice moved into Airdrie Retail Park, the building needed to work...

Century 21 sources bifold door systems from industry-leading manufacturers, Smart Systems. Every door is precision-fabricated to your exact aperture, delivering performance and aesthetics that hold up for decades.
Whether you’re opening up a kitchen extension, a garden room or a rear elevation, our aluminium bifold doors create a seamless indoor-outdoor connection without compromising on thermal efficiency, security or style.


Choose from any standard RAL colour, dual-colour configurations for contrasting internal and external finishes, and specialist textured or metallic options. Anthracite grey and jet black remain the most popular choices for contemporary properties, while warmer tones suit more traditional settings. Whatever your aesthetic, there is a finish to match.

Anthracite Grey

Black

Brown

Cream

Dark Blue

Dark Brown

Dark Green

Dark Grey

Dark Red

Gloss White

Grey

Off White

White

Any RAL
Our bifold doors are specified with thermally efficient double-glazed units as standard, with triple glazing available for enhanced thermal performance. Low-E glass reduces heat loss while maintaining excellent light transmission, and acoustic laminate upgrades are available for properties in high-noise environments.
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All systems are tested to PAS 24:2022 security standards and comply with Building Regulations Document Q. Multi-point locking and shoot bolt mechanisms are fitted as standard across all panel configurations.
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Century 21 works with Smart Systems – one the most respected aluminium systems suppliers in the UK and Europe. Smart’s Visofold range is one of the most widely specified bifold systems in the country, combining slim profiles with reliable long-term performance.
Combined with our expertise, Smart’s bifold doors provide a premium-tier finish for clients who demand the very best.
Choosing the right door system is only half of the story. A bifold door performs exactly as it should when it is installed by people who understand the product inside and out. Every Century 21 installation is carried out by our experienced team, ensuring your frames are level, your seals are tight and your hardware operates as the manufacturer intended.
We handle the full process from survey through to handover, so you are never left managing multiple contractors or chasing updates. One point of contact, one professional team, one outstanding result.

Enquiry
Get in touch with our friendly team and share the details of your project, we're happy to answer any questions and guide you through the next steps.

Consultation & Technical Support
During our consultation, we offer technical support and work with the project architect to advise on the best systems for your project.

Showroom Visit
Visit our showroom to see our range of products up close, and enjoy a one-to-one consultation to help find the perfect solution for your home or project.
Quote
We'll provide a full, detailed quote tailored to your requirements, including survey and installation costs where needed, so there are no surprises.

Installation & Aftercare
Our experienced, in-house fitting team will carry out your installation to the highest standard, with ongoing aftercare and advice available whenever you need it.
Below we have answered some of the most common queries we receive from homeowners. If you can't find what you are looking for, get in touch with our team directly.
Configurations typically range from 2 to 7 panels as standard, with bespoke multi-panel arrangements of up to 14 panels available depending on your aperture and structural requirements.
Yes. Systems from Smart Systems incorporate polyamide thermal breaks and are available with high-performance glazing units, achieving excellent U-values suitable for modern UK building regulations.
Any standard RAL colour can be specified, including popular choices like anthracite grey and jet black. Dual-colour finishes - contrasting inside and out - are also available across all our systems.
Absolutely. Our bifold systems are tested to PAS 24:2022 and comply with Document Q. Multi-point locking and shoot bolt mechanisms are fitted as standard on all configurations.
Yes. All systems can be configured to fold inward or outward depending on your available space and preference, with single-direction or split-opening arrangements to suit your layout.

Touch the products, explore the finishes and talk to our team before you commit to anything. We’re here to help you make the right decision for your home.
10 Bairds Crescent, Allanshaw Ind Est, Hamilton, ML3 9FD
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