House extensions & lofts in Earlsfield
Late-Victorian terraces off Garratt Lane suit side-return kitchens and rear dormers — we design and build both across SW18, with completed schemes in neighbouring Wandsworth Town. Fixed itemised price, one team, planning handled end to end.
- Postcode SW18
- Borough Wandsworth
- Service Design & build
- Free quote 2 min online
What we deliver in Earlsfield
Every street sits differently — a period terrace, a post-war semi, a modern infill. We shape the recommendation around your actual house, its planning context and how you want to live.
Side-return extensions turn narrow kitchens into light-filled spaces; rear extensions sometimes add full-width steel-framed openings.
Dormer conversions provide extra bedrooms and bathrooms for growing families.
Less common here, but rear gardens and corner plots are sometimes suitable for modern family homes.
SERVICE 01 House extensions in Earlsfield
Single-storey, double-storey, side-return and wrap-around extensions — designed, planned and built by one in-house team.
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SERVICE 02 Loft conversions in Earlsfield
Dormer, mansard, hip-to-gable and L-shape lofts — full-height ceilings, proper staircases, en-suites.
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SERVICE 03 New builds in Earlsfield
Ground-up homes on infill plots, demolition-and-rebuild, and small multi-unit schemes.
View serviceRecent work near Earlsfield
In Earlsfield we have completed side-return extensions with skylights, two dormer conversions and a kitchen extension with a vaulted ceiling.
Common Earlsfield questions
Things you might need to know about building in Earlsfield.
Do I need planning permission for an extension in Earlsfield?
Many extensions in Earlsfield fall under permitted development. Where a full application is needed, it goes to Wandsworth Council — we assess your property type, the council's restrictions and any conservation status on the first visit, and handle the application ourselves.
How long does a project in Earlsfield typically take?
From first consultation to handover: 6–9 months for a single-storey extension or loft, 9–14 months for double-storey or wrap-around. We give you a tighter estimate after the survey.
Are there conservation areas in Earlsfield?
Several streets in Wandsworth Council's area fall within conservation areas that restrict materials and detailing. We check your exact address against the register on the first visit, and we have approved schemes in conservation areas nearby.
What is a typical extension cost in Earlsfield?
Build cost in this part of London runs £2,500–£4,000 per square metre for a finished extension including kitchen and finishes. Our calculator gives a personalised estimate.
Other Wandsworth neighbourhoods
We deliver projects across the borough — same team, same pricing, same fixed-price contract.
Ready to start your Earlsfield project?
Get an instant estimate in 2 minutes — no callbacks, no commitment. Or talk to a real person on 0800 0432 333.