Sustainability & Environment

We are committed to environmentally friendly practices that are reflected throughout the manufacturing process. Using the most environmentally friendly, sustainable material, our timber windows and doors achieve the highest FSC® classification.

Bereco Timber Windows FSC Logo

FSC® Certification

All products from across the entire Bereco range are manufactured using FSC® certified timber, responsibly sourced from sustainable, well managed forests.

Wood Window Alliance Logo

The British Woodworking Federation & The Wood Window Alliance

Bereco is a member of the British Woodworking Federation and the Wood Window Alliance (WWA). As a member of the WWA Bereco products are required to meet independently verified quality, performance and sustainability criteria.

View Our WWA Certificate
Code For Sustainable Homes Logo

Code For Sustainable Homes

All products are A+ rated as part of the BRE Green Guide which helps towards achieving the Code for Sustainable Homes.

Passivehaus Logo


Our triple glazed windows offer Uw Values as low as 0.8W/m²K enabling projects to be developed to Passivhaus standards.