Harleston Polytrade Building Supplies LTD is located on the Rushall Road, Starston, very close to Harleston, Norfolk. We are mainly a specialist builders merchant dealing with plastic building products such as UPVC Windows and Doors, Composite Doors, Plastic Gutter, Plastic Fascia Board, Underground Drainage, Soil and Waste Systems as well as Aluminium Doors, Bifold Doors and Windows. If you are looking to replace your windows or doors why not call in for a chat, we are always happy to help. Call 01379 854445