Aluminium Bifold Doors
Slim-profile, thermally efficient aluminium bifold doors. Customisable configurations and leaf options.
Precision-Engineered Doors for Every Opening
Century 21 manufactures and installs premium aluminium doors for homes and commercial properties across Scotland. From slimline bifold systems to statement entrance doors, every product is fabricated using market-leading profiles from Smart Systems, Metal Technology, Cortizo and Finstral.
Aluminium Sliding Doors
Open up your space with slim-profile aluminium sliding doors, manufactured and installed to exacting standards across Scotland.
Aluminium Entrance Doors
Tough and secure with excellent thermal properties. Can be tailored and customised to perfectly suit your build.
Aluminium Clad Doors
Aluminium clad doors deliver the beauty of a natural timber interior with a robust, low-maintenance aluminium exterior built to last decades.
Ready To Find the Right Door For Your Project?
Whether you’re replacing a tired front door or specifying glazed openings for a new build or extension, our team will help you choose the right system, style and finish. Get in touch with Century 21 for a free consultation and no-obligation quote.
Contact Us
View our gallery
Our gallery is the ideal place to browse product photos and find the perfect fit for your next project. If you have any questions, please don’t hesitate to get in touch.
Our Process
Step 1
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.
Step 2
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.
Step 3
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.
Step 4
Quote
We'll provide a full, detailed quote tailored to your requirements, including survey and installation costs where needed, so there are no surprises.
Step 5
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.
View our latest projects
Frequently Asked Questions
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.
We supply and install bifold, sliding patio, entrance and French doors using premium systems from Smart Systems, Metal Technology, Cortizo and Finstral, for both domestic and commercial projects across Scotland.
Yes. All door systems we install use thermally broken profiles and high-performance glazing, meeting or exceeding current UK building regulation requirements for thermal performance.
Our aluminium doors are manufactured to PAS 24 enhanced security standards, incorporating robust multi-point locking systems to protect residential and commercial properties effectively.
Absolutely. All aluminium doors are available in a wide range of RAL colours and powder-coat finishes, including dual-colour options, so your door can be tailored to your exact specification.
Yes - Century 21 serves homeowners and commercial clients alike, including building contractors and local authorities throughout Scotland, with the same high standard of manufacture and installation.
Visit our Showroom and See the Quality in Person
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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