Sevenday Windows is a nationwide network of trade counters serving the professional installer, builder and general home improver. The complete product offering includes; high security windows & doors, high performance conservatories, most efficient energy rated products, elegant composite doors, innovative bi-fold doors, high performance glass and traditional style vertical sliders. All products conform to British and European standards with regards to manufacture and performance. Furthermore, the ‘Secured By Design’ accreditation for products and hardware is an achievement which fully justifies the company’s policy of continuous quality control and development.