Polytrade Building Supplies are based near Harleston, Norfolk perfectly situated to serve the Norfolk and Suffolk. Our main customer base is the replacement and new build customer both retail and trade. We have many satisfied customers in Diss, Bungay and Harleston.

UPVC Windows

We supply high quality UPVC Windows to the trade & retail sectors. Our Upvc Windows are made by first class manufacturers with the best equipment and techniques, we can offer a wide range of replacement window products from Rehau, ALUK & Residence.

Aluminium Windows

If you are looking for sleek modern Aluminium Windows Polytrade is an excellent choice. We only supply the best quality Aluminium Windows from the UK’s most reliable manufacturer ALUK.

Composite Doors

Our Composite Doors are a superb choice for anyone looking to improve their security, energy rating and enhance the look (and value) of their house. Our Composite Doors are available in many colours as standard but can also be colour matched to any RAL colour. We use top brand named products from DoorCo & Solidor to ensure you door installation is perfect.

Why choice Polytrade

Our professional approach to supply our customers requirements in a tested measured process has resulted in controlled growth in an organisation that is one of the most stable and trusted within the UPVC Window and Door market place.

Benefits of using Polytrade UPVC Windows as your local supplier

  • Free Delivery to site in Norfolk and Suffolk.
  • Full range of Aluminium and (PVCu) UPVC Windows & Doors
  • WER A rated Windows as standard
  • BSI accredited products, BS7412, PAS24
  • Same day quotation
  • Dedicated showroom support
  • Quality marketing material
  • Solid backup on Aluminium and (PVCu) UPVC Windows & Doors
  • Trade counter
  • Full range of accessories in stock
  • Helpful staff

Window & Door Brands


We supply High Quality UPVC Windows & Doors in Harleston, Bungay & Diss & throughout Norfolk & Suffolk.