Covering Carshalton
Carshalton is about 10 miles south of London. We also cover Sutton (2 miles to the south-west), Mitcham and Morden.
Homes in London
Terraced houses dominate many London neighbourhoods, so most projects involve shared walls, narrow access and a party wall process. Conservation areas are widespread, and some boroughs have their own mansard and basement guidance.
Which projects do we build in Carshalton?
Extensions
- Single-storey extensions in Carshalton
- Double-storey extensions in Carshalton
- Side return extensions in Carshalton
- Wraparound extensions in Carshalton
- Kitchen extensions in Carshalton
- Orangeries in Carshalton
- Porches in Carshalton
- Garden annexes in Carshalton
Lofts and upward extensions
- Loft conversions in Carshalton
- Dormer loft conversions in Carshalton
- Hip-to-gable loft conversions in Carshalton
- Mansard loft conversions in Carshalton
- Bungalow and upward extensions in Carshalton
Conversions
- Garage conversions in Carshalton
- Basement and cellar conversions in Carshalton
- House-to-flat conversions in Carshalton
New builds and renovation
- New-build homes in Carshalton
- Knock down and rebuild in Carshalton
- House renovations in Carshalton
- Structural alterations in Carshalton
- Re-roofing in Carshalton
Design, kitchens and bathrooms
- Architectural design and planning in Carshalton
- Kitchen installation in Carshalton
- Bathrooms and en-suites in Carshalton
How is building work approved in Carshalton?
In England we deal with the council’s planning team for permission or a lawful development certificate, with building control (the council or a registered building control approver) for inspections, and with neighbours under the Party Wall etc. Act 1996 where it applies.
What does a project cost in Carshalton?
These are UK-wide guide ranges, including VAT where it applies. The price for a project in Carshalton 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 Carshalton homeowners
Do you cover Carshalton?
Yes. We design and build extensions, loft conversions, conversions and new homes in Carshalton and across London.
How do I get a quote in Carshalton?
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 Carshalton?
Yes. We prepare drawings, deal with planning or permitted development, apply for building control approval and serve party wall notices where they apply.

