Covering Llantwit Major
Llantwit Major sits 14 miles west of Cardiff, with Cowbridge 4 miles to the north-east and Bridgend 8 miles to the north-west.
Homes in South Glamorgan
Across Wales you find valley terraces, coastal towns, rural stone houses and newer estates, so access, slopes and local materials all feature in the design.
Which projects do we build in Llantwit Major?
Extensions
- Single-storey extensions in Llantwit Major
- Double-storey extensions in Llantwit Major
- Side return extensions in Llantwit Major
- Wraparound extensions in Llantwit Major
- Kitchen extensions in Llantwit Major
- Orangeries in Llantwit Major
- Porches in Llantwit Major
- Garden annexes in Llantwit Major
Lofts and upward extensions
- Loft conversions in Llantwit Major
- Dormer loft conversions in Llantwit Major
- Hip-to-gable loft conversions in Llantwit Major
- Mansard loft conversions in Llantwit Major
- Bungalow and upward extensions in Llantwit Major
Conversions
- Garage conversions in Llantwit Major
- Basement and cellar conversions in Llantwit Major
- House-to-flat conversions in Llantwit Major
New builds and renovation
- New-build homes in Llantwit Major
- Knock down and rebuild in Llantwit Major
- House renovations in Llantwit Major
- Structural alterations in Llantwit Major
- Re-roofing in Llantwit Major
Design, kitchens and bathrooms
- Architectural design and planning in Llantwit Major
- Kitchen installation in Llantwit Major
- Bathrooms and en-suites in Llantwit Major
How is building work approved in Llantwit Major?
In Wales the planning rules, including what counts as permitted development, are set by the Welsh Government, and Welsh building regulations differ in places from England’s. We check both against your house before drawings are finalised, and handle party wall notices where needed.
What does a project cost in Llantwit Major?
These are UK-wide guide ranges, including VAT where it applies. The price for a project in Llantwit Major is fixed in writing once the design and specification are agreed.
| Project | Typical guide price |
|---|---|
| Single-storey extensions | £2,600 to £4,000 per m² |
| Double-storey extensions | £2,400 to £3,850 per m² |
| Kitchen extensions | £2,600 to £4,000 per m², plus the kitchen |
| Loft conversions | £30,000 to £110,000 |
| Dormer loft conversions | £50,000 to £90,000 |
| Garage conversions | £12,000 to £54,000 |
| House renovations | £600 to £2,800 per m² |
| New-build homes | £2,000 to £3,600 per m² |
Questions from Llantwit Major homeowners
Do you cover Llantwit Major?
Yes. We design and build extensions, loft conversions, conversions and new homes in Llantwit Major and across South Glamorgan.
How do I get a quote in Llantwit Major?
Use the guide price tool or the form, or call 0800 088 6341. We then arrange a free site visit, and fix the price in writing once the design and specification are agreed.
Do you handle the council paperwork for projects in Llantwit Major?
Yes. We prepare drawings, deal with planning or permitted development, apply for building control approval and serve party wall notices where they apply.

