Prefix Systems was established in 1996 and has grown to become one of the leading manufacturers of extended living space solutions in the UK. Renowned for offering a wide variety of glazed roof, insulated tile roof, Orangery roof and aluminium & Residence Collection frames to suit almost any application. We have built our business on providing all our customers with first class levels of service, both before and after sales, which sets us apart from other fabricators. We deliver to any part of the mainland UK from our four manufacturing sites in Blackburn, Northampton, Swansea and Leeds. Our own delivery fleet can deliver direct to your premises, or to site for added convenience. Prefix Systems are the only independent fabricator in the UK to have BBA approval for manufacture of the Ultraframe conservatory roof.