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Business Details
Bespoke Timber Windows & Doors Since 1811
Established in 1811, Allan Brothers stands as Britain's longest-established joinery specialist, combining over two centuries of traditional craftsmanship with modern innovation. Our expertise lies in creating bespoke timber windows and doors tailored to both heritage properties and contemporary developments, ensuring each product meets rigorous performance standards. With generations of accumulated knowledge, our master craftsmen employ authentic joinery techniques alongside advanced energy-efficient glazing solutions to deliver enduring quality. As part of the Inwido Group since 2007, we maintain our commitment to independent advice, prompt delivery, and service excellence while leveraging European industry leadership. Our comprehensive range includes solid timber and Alu Clad options, designed to complement diverse architectural styles from historic castles to modern residential projects.

We prioritise customer collaboration to ensure solutions align perfectly with property aesthetics and functional requirements. Our Guild of Master Craftsmen accreditation underscores our dedication to maintaining the highest standards in timber manufacturing. With showrooms in Northumberland and Oxfordshire, we provide expert guidance for both domestic and commercial clients. Our 200-year reputation is built on reliability, meticulous attention to detail, and a promise that our products will serve customers for generations. This enduring commitment to quality has made us a trusted choice for heritage restorations and contemporary builds alike.
Services
Timber Windows Alu Clad Doors Heritage Sash Windows Bespoke Joinery Energy-Efficient Glazing Heritage Restorations Contemporary Door Designs Custom Window Solutions Aluminium-Clad Products Made-to-Measure Joinery
Highlights and features
  • We offer 200 years of specialist joinery expertise in timber window and door manufacturing
  • Our bespoke solutions combine traditional craftsmanship with modern energy-efficient glazing technology
  • We serve heritage properties and contemporary developments with tailored architectural solutions
  • Our products meet rigorous performance standards while maintaining aesthetic authenticity
  • We provide expert guidance through showrooms in Northumberland and Oxfordshire
Associations and certifications
  • Guild of Master Craftsmen
Services
Timber Windows
Crafted from solid timber, our windows combine traditional joinery techniques with modern performance standards. Available in casement, sliding sash, and heritage designs, they offer excellent thermal efficiency while maintaining authentic aesthetics. Each window is made-to-measure to suit both period properties and contemporary homes.
Alu Clad Doors
Aluminium-clad timber doors provide durability with low maintenance requirements. The exterior aluminium shell protects against weathering while the timber interior maintains natural beauty. Available as entrance doors, French doors, and bi-folding systems, they suit both domestic and commercial applications.
Heritage Restorations
Specialist restoration services for listed buildings and historic properties. We recreate authentic joinery details using traditional methods while incorporating modern performance enhancements. Our expertise includes sash window refurbishment and replication of historic hardware for castles and period homes.
Energy-Efficient Glazing
Advanced double and triple glazing options improve thermal efficiency while maintaining visual appeal. Our systems reduce heat loss and noise pollution without compromising traditional window designs, helping modernise older properties while preserving architectural integrity.
Bespoke Joinery
Made-to-measure timber solutions tailored to specific architectural requirements. From intricate window shapes to custom door designs, our craftsmen create unique joinery that complements both contemporary and heritage buildings while meeting current building regulations.
Questions
What types of windows do you manufacture?
We produce timber windows in casement, sliding sash, and heritage styles, along with aluminium-clad options for modern properties.
Do you work on listed buildings?
Yes, we specialise in heritage restorations with traditional joinery techniques suitable for listed properties and historic castles.
Are your products energy efficient?
All windows incorporate modern glazing systems to improve thermal efficiency while maintaining traditional aesthetics.
Can I visit a showroom?
Yes, we have showrooms in Berwick-upon-Tweed and Oxfordshire with expert guidance for both traditional and contemporary designs.
How are products customised?
All items are made-to-measure, allowing bespoke shapes, sizes, and finishes to match specific architectural requirements.
What warranty do you offer?
We provide comprehensive warranties covering manufacturing defects, with detailed terms available through our technical information section.