Here at Sterling UPVC we supply and fit every style of UPVC windows, doors and conservatories to suit any home .

We have been established since 1987 and in that time we've fitted over 10,000 windows and doors in the South Wales area. We pride ourselves on staying up-to-date with the latest developments in the window industry. .

Please browse our products section for the full range of our windows, doors and conservatories. We offer a no obligation quotation service with a design visit from Gwyn to ensure we fulfil your exact requirements.

We also provide a supply only service for Trade/DIY customers.


January 2015 - Happy New Year from everyone at Sterling UPVC

July 2014 - We Have now changed our supplier for window and door profile to Selecta Systems. Click here to learn more about our new profile supplier