Covering Penarth
We work in Penarth (CF64) and the places around it, including Cardiff, Whitchurch and Barry.
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 Penarth?
Extensions
- Single-storey extensions in Penarth
- Double-storey extensions in Penarth
- Side return extensions in Penarth
- Wraparound extensions in Penarth
- Kitchen extensions in Penarth
- Orangeries in Penarth
- Porches in Penarth
- Garden annexes in Penarth
Lofts and upward extensions
- Loft conversions in Penarth
- Dormer loft conversions in Penarth
- Hip-to-gable loft conversions in Penarth
- Mansard loft conversions in Penarth
- Bungalow and upward extensions in Penarth
Conversions
- Garage conversions in Penarth
- Basement and cellar conversions in Penarth
- House-to-flat conversions in Penarth
New builds and renovation
- New-build homes in Penarth
- Knock down and rebuild in Penarth
- House renovations in Penarth
- Structural alterations in Penarth
- Re-roofing in Penarth
Design, kitchens and bathrooms
- Architectural design and planning in Penarth
- Kitchen installation in Penarth
- Bathrooms and en-suites in Penarth
How is building work approved in Penarth?
Welsh projects need planning clearance from the council under Welsh rules, building regulations approval under the Welsh approved documents, and party wall notices where the work affects a neighbour’s wall or foundations.
What does a project cost in Penarth?
These are UK-wide guide ranges, including VAT where it applies. The price for a project in Penarth 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 Penarth homeowners
Do you cover Penarth?
Yes. We design and build extensions, loft conversions, conversions and new homes in Penarth and across South Glamorgan.
How do I get a quote in Penarth?
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.
Can I live at home during a project in Penarth?
For most extensions and loft conversions, yes. For whole-house renovations and rebuilds, most people move out for part of the work.

