Accreditations and Affiliations
Everything we do is aligned to quality, providing our customers with the confidence that our products are built to the highest standards of craftsmanship and deliver maximum performance and reliability.
BM TRADA Certification – A respected, third-party accreditation that verifies our timber and joinery products meet rigorous quality, durability, and performance standards.
The Joinery Network – Connecting us with leading UK joinery manufacturers and sharing expertise in bespoke timber joinery.
British Woodworking Federation (BWF) – Demonstrates our commitment to excellence, craftsmanship, and adherence to industry best practices.
Accoya – As a licensed Accoya joinery manufacturer, we are trained and approved to work with premium, high-performance timber for sustainable, long-lasting bespoke joinery.
Woodknowledge Wales – Membership with Woodknowledge Wales reflects our dedication to sustainable timber practices, Welsh timber promotion, and collaboration within the local woodworking industry.
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High-Performance Timber Windows and Doors with PassivGlas™
High-Performance Timber Windows and Doors with PassivGlas™ We’re proud to offer PassivGlas™, a premium glazing system that delivers the perfect balance of performance, sustainability, and design...
Another successful BM Trada Annual Fire Door Audit for Derwen Joinery
Success for Derwen Derwen Joinery has once again passed the rigorous BM TRADA Fire Door Audit, reinforcing our commitment to fire safety and regulatory compliance. This annual audit, conducted by...
New Purpose-Built, Energy-Efficient Specialist Advanced Coating Spray Shop
Derwen Joinery’s Spray Shop & Finishing Facility Transformation At Derwen Joinery, we’re committed to continuous improvement in quality, efficiency and environmental responsibility. Our recent...