Building in Clapham.
Around Clapham Common, long rows of Victorian terraces dominate. These homes are textbook candidates for side-return extensions and dormer loft conversions. Many fall within Old Town and Common Conservation Areas, so designs must be sensitive.
- Postcode SW4
- Borough Wandsworth
- Projects 1
- Travel Under 45 min
What we deliver in Clapham.
Each Clapham street has its own typical layout — Victorian terrace, Edwardian semi, 1930s detached. We adapt the recommendation to the house, the planning context and how you actually want to live.
Side-return and wrap-around extensions open up narrow terraces; matched brickwork and zinc roofs satisfy conservation officers.
Dormer and L-shaped conversions are popular; mansard conversions are possible where height restrictions permit.
On corner plots and infill sites we design low-energy family homes that respect the street pattern.
SERVICE 01 House extensions in Clapham
A house extension is the biggest investment you can make in your home — it should transform how your family lives, not just add square metres. We design every extension around how you actually use your space, with a fixed, itemised price and stage-based payments so you stay in control from first sketch to handover.
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SERVICE 02 Loft conversions in Clapham
A loft conversion adds an entire floor without losing any garden. We design lofts as proper rooms — full-height ceilings, generous windows, en-suite bathrooms — not afterthoughts squeezed into the rafters.
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SERVICE 03 New builds in Clapham
New build is the most ambitious thing you can do — a chance to design exactly the home you want from the ground up. We have delivered single houses on infill plots, full plot developments, and demolition + rebuild projects. We work with leading architects or your own.
View serviceRecent work in Clapham.
Clapham projects include several side-return extensions around the Common and a dormer conversion with sliding roof windows.
Common Clapham questions.
Things you might need to know about building in Clapham.
Do I need planning permission for an extension in Clapham?
Many extensions in Clapham fall under permitted development. We assess your property type, council restrictions and any conservation status on the first visit.
How long does a project in Clapham 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 Clapham?
Possibly — many Wandsworth streets are within conservation areas which restrict materials and detailing. We have approved schemes in conservation areas across the borough.
What is a typical extension cost in Clapham?
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 Clapham project?
Free quote in 2 minutes — no callbacks, no commitment. Or talk to a real human on 0800 0432 333.