Our services
Quality windows, doors and home improvements
We provide professional installation and replacement services for homes across South Wales. Whether you're improving energy efficiency, security, or the appearance of your home, we can help.
What we offer
- ✓UPVC Windows
- ✓Conservatories
- ✓Orangeries
- ✓French Doors
- ✓Bi-fold Doors
- ✓Composite Doors
- ✓Glass Units
- ✓Door Repairs
- ✓Lock changes
Explore our services
Composite Doors in South Wales | Jon Thomas Windows
Premium composite doors installed across South Wales for improved security, thermal efficiency and striking kerb appeal. Expert fitting with lasting peace of mind.
uPVC Windows in Rhondda Cynon Taf | Jon Thomas Windows
Energy-efficient uPVC windows installed across South Wales, providing improved security, insulation and a modern finish for your home.
Casement Windows in South Wales | Jon Thomas Windows
Premium casement windows installed across South Wales by Jon Thomas Windows. Enjoy enhanced kerb appeal, security and energy efficiency with expertly fitted uPVC windows.
Sliding Sash Windows in South Wales | Jon Thomas Windows
Bespoke sliding sash windows for homes across South Wales, combining timeless character with the strength, efficiency and low maintenance of modern uPVC.
Tilt and Turn Windows in South Wales | Jon Thomas Windows
Premium tilt and turn windows installed across South Wales for modern homes, offering ventilation, security and effortless everyday convenience.
Bay and Bow Windows in South Wales | Jon Thomas Windows
Elegant bay and bow windows installed across South Wales to bring in more light, create a sense of space and enhance the character of your home.
uPVC Doors in South Wales | Jon Thomas Windows
High-quality uPVC doors installed across South Wales for secure, stylish and energy-efficient entrances, patios and garden access solutions.
Bi-Fold Doors in South Wales | Jon Thomas Windows
Premium bi-fold doors installed across South Wales to create bright, open-plan living spaces with effortless indoor-outdoor flow.
Patio Doors in South Wales | Jon Thomas Windows
Stylish patio doors installed across South Wales for improved light, effortless garden access and lasting energy efficiency in your home.
Tiled Conservatory Roofs by Leka in South Wales | Jon Thomas Windows
Premium tiled conservatory roofs by Leka installed across South Wales for improved comfort, year-round use and a more solid, elegant finish.
Orangery Roofs by Leka in South Wales | Jon Thomas Windows
Bespoke orangery roof conversions by Leka installed across South Wales for superior insulation, style and long-lasting performance.