Loft conversions, house extensions, renovations, basements and new builds across London and Hertfordshire.
Services
Loft conversions, house extensions, renovations, basements and new builds across London and Hertfordshire.
Services
Loft conversions, house extensions, renovations, basements and new builds across London and Hertfordshire.
Services
Loft conversions, house extensions, renovations, basements and new builds across London and Hertfordshire.
Services
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A wraparound extension and full interior renovation of a terrace in Chelsea SW10: open-plan kitchen-diner with a pantry, a new cloakroom, slimline sliding doors and a landscaped garden.
Project facts
- HouseEdwardian terrace
- Added+350 sq ft
- On site14 weeks
- Completed2025
- PlanningHouseholder planning (RBKC)
- Contract value£250,000 – £350,000 inc. VAT
Project type: Wraparound extension · Renovation · Area: Chelsea / World's End SW10
What we did
- Wraparound extension
- Open-plan kitchen-diner with pantry
- New cloakroom
- Full interior renovation
- Slimline sliding windows
- Landscaping
Specification
Lusso Stone · Buster + Punch · Engineered wood flooring · Slimline sliding windows · Landscaping
Design and build inclusive: architecture, structural engineering, planning, party wall, construction, project management and LABC sign-off under one contract.
Anderson's note
Kensington & Chelsea will look at every elevation, so the wraparound was drawn to read as two modest additions rather than one big one. Completed on time with the family living in for most of it.
Anderson, founder — LCCL Construction, Finchley N3
The client's view
“Very happy with the quality of the design and build on our project. The build was completed on time and disruption minimised.”
Verified client · Reviews.io
As LABC Building Excellence Award Winners 2024 for Best Residential Extension in London, and 2026 London Regional Winners for Best Conversion or Alteration, every project runs under one contract with a 12-month workmanship guarantee and a 10-year LABC structural warranty.
One team, one contract, one point of contact — from first sketch to handover.

“We are very pleased to have used Lccl Construction to do full house renovation and loft conversion to our edwardian terraced house. Project involved total strip out of interiors and remodelling repositioning the interior walls, electrical and plumbing…”
neil smith · Trustpilot
“We did a 3x10m single storey rear extension with LCCL recently. It was scheduled to take 12 weeks to complete but with Alex's experience and agile project management, we are ahead of schedule (finished in 10). Alex, and LCCL,is extremely knowledgeable and…”
Galichet Christophe · Google Reviews
“Hired LCCL Construction to design and build us a rear house extension. Found them easy to work with and are pleased with the results. They have been recommended to us for the whole build including designs and construction. The rear extension feels amazing,…”
James Grimsdale · Google Reviews






