Quality accreditations give you assurance that you are going to receive a consistently high standard of product. At the Window Store we always adhere to industry standards and go one step further to offer enhanced features that mean our products are recognised and accredited to levels that are beyond the required standards.

We hold manufacturing kitemarks for our sealed units, enhanced security windows and enhanced security doors. Our windows are BBA accredited and we supply the BBA accredited Quantal roof system. In addition we are also able to offer Secured by Design specification on PVC-U windows and doors, composite doors and patio doors.

Quality Accreditations

  • Exceed industry standards
  • BRFC Energy Ratings
  • BBA Approved
  • Secured by Design
  • Kitemarked standards

When you buy products from The Window Store you can rest assured they will meet all required standards and feature the highest security standards. Our accreditation certificates can be viewed in the technical section of the Information Centre.


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The Window Store is a trading name of Specialist Building Products Limited, a wholly owned subsidiary of the Epwin Group Plc. Specialist Building Products Limited is registered in England & Wales, Company Registration number: 1268689, Registered Office: 1B Stratford Court, Cranmore Boulevard, Solihull, B90 4QT, VAT Registration No. 864 4507 10