Covering Barnes
We work in Barnes (SW13) and the places around it, including Chiswick, Putney and Fulham.
Homes in London
London projects often mean working on period terraces with neighbours on both sides, tight access through the house and conservation area controls, so careful planning and party wall work matter as much as the build.
Which projects do we build in Barnes?
Extensions
- Single-storey extensions in Barnes
- Double-storey extensions in Barnes
- Side return extensions in Barnes
- Wraparound extensions in Barnes
- Kitchen extensions in Barnes
- Orangeries in Barnes
- Porches in Barnes
- Garden annexes in Barnes
Lofts and upward extensions
- Loft conversions in Barnes
- Dormer loft conversions in Barnes
- Hip-to-gable loft conversions in Barnes
- Mansard loft conversions in Barnes
- Bungalow and upward extensions in Barnes
Conversions
- Garage conversions in Barnes
- Basement and cellar conversions in Barnes
- House-to-flat conversions in Barnes
New builds and renovation
- New-build homes in Barnes
- Knock down and rebuild in Barnes
- House renovations in Barnes
- Structural alterations in Barnes
- Re-roofing in Barnes
Design, kitchens and bathrooms
- Architectural design and planning in Barnes
- Kitchen installation in Barnes
- Bathrooms and en-suites in Barnes
How is building work approved in Barnes?
English projects need planning clearance from the local council, building regulations sign-off from building control, and party wall notices where the work is on or near a shared boundary. We prepare and manage all three.
What does a project cost in Barnes?
These are UK-wide guide ranges, including VAT where it applies. The price for a project in Barnes 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 Barnes homeowners
Do you cover Barnes?
Yes. We design and build extensions, loft conversions, conversions and new homes in Barnes and across London.
How do I get a quote in Barnes?
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 Barnes?
Yes. We prepare drawings, deal with planning or permitted development, apply for building control approval and serve party wall notices where they apply.

