Mercury Windows and Doors Limited supply and fit double glazing and triple glazed windows across the South Wales area from Merthyr Tydfil to Aberdare, Pontypridd to Cardiff.

We offer a wide range of replacement uPVC windows, sash windows to complement the character of your home.

A rated windows fitted as standard.

"Very pleased with the sash windows and doors you have fitted in the pub, I highly recommend you."

Mr Jones from Pontsarn, Merthyr Tydfil

Window Installation Risca
Vertical Sliding Window South Wales
Oak Window Installation South Wales
Bay Window Installation South Wales
Bay Windows Merthyr