Contact Us

0800 169 5505
Tel: 0208 561 7791
Fax: 0208 561 8080


london double glazing


double glazing


All our doors and windows are supplied from our own modern factory premises located in London.


When it comes to quality, JS Windows is second to none. We are so confident in the quality of our products that we offer a 10 YEAR GUARANTEE on all products supplied and fitted by us. In addition JS Windows has been duly elected as a member of The Plastics Window Federation which provides insurance protection to customers of it's network of member companies who install windows, doors, conservatories and roofline products.


If you would like a free, no obligations quote, feel free to give us a call and we will be more than happy to discuss your requirements.


Our UPVC Doors and Windows Feature:-

  • Profile synseal synergy 70mm
  • Internal Glaze
  • Sealed Unit 28mm
  • Pilkington K Glass
  • Welded Joints
  • Shoot Bolts
  • Reinforcement
  • FENSA Registered
  • 10 Years Guarantee
  • Insurance Back Guarantee (offered)
  • We supply and fit our windows and doors




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