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.
Check out our blog!
Enhancing Efficiency and Energy Awareness: Our New CT Meter Installation
Enhancing Efficiency and Enery Awareness; Derwen's new CT Meter Installation At Derwen Joinery, the quality of our craftsmanship is matched only by our commitment to running an efficient and...
Our New CNC Machine at Derwen Joinery
Our New CNC Machine at Derwen Joinery At Derwen Joinery, we are always looking for ways to improve the quality, accuracy, and efficiency of our work. In December, we took an exciting step forward...
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...