Timber windows and doors by award-winning manufacturer Mumford & Wood are recognised in the BRE Green Guide to Specification as A+ rated. Designed to help specifiers make the best environmental choices when selecting materials and components for their buildings, the BRE Green Guide assesses the environmental impact of materials across their entire life cycle.

Managing director, Mike Harris, said "As a founding member of the Wood Window Alliance it is very satisfactory that our products meet the highest BRE ranking and set a benchmark for the industry".

Made to the exacting standards of the British Woodworking Federation’s Wood Window Alliance (WWA) specification, Mumford & Wood’s Conservation™ timber products provide the greenest, longest-lasting, low maintenance and best value fenestration available when compared to any other recognised frame material.