Mercury Windows and Doors Limited supply and fit front and back doors, composite doors, bi-fold doors, patio doors and French doors across the South Wales area from Merthyr Tydfil to Aberdare, Pontypridd to Cardiff.

We offer a wide range of replacement doors to complement the character of your home.

"Just a quick note from all of us, it's great we have our front door back and that you got the replacement door so quickly and you came round just a few days later. It's much appreciated, we can highly recommend you to other people."

"Thanks also to Michael and Barry on doing a good job of installing the door."

Mrs GS R-Williams from Merthyr Tydfil

PVC Composite Door Installation South Wales.jpg
PVC Composite Door Installation South Wales
PVC Composite Door Installation Cardiff South Wales.jpg
Oak Composite Door Installation South Wales
Oak Composite Door Installation Pontypridd South Wales.jpg
Back Door Installation South Wales
Bi-Fold Door Installation South Wales.jpg