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 side return extension to a Victorian terrace in Queen's Park: the narrow side passage brought inside to make a full-width open-plan kitchen.
Project facts
- HouseVictorian terrace
- Added+400 sq ft
- On site16 weeks
- Completed2022
- PlanningHouseholder planning
- Contract value£100,000 – £120,000 inc. VAT
Project type: Side return extension · Area: Queen's Park / North Kensington W10
What we did
- Side return extension
- Open-plan kitchen
- Structural opening of the rear reception wall
Specification
Open-plan kitchen
Design and build inclusive: architecture, structural engineering, planning, party wall, construction, project management and LABC sign-off under one contract.
Anderson's note
The steel is the job on a side return. Opening up the back of a Victorian terrace here was £4,800 – £19,200 inc. VAT (£4,000 – £16,000 + VAT) of structural opening work, depending on the width of the opening, and we price it on the proposal so it never appears as a surprise.
Anderson, founder — LCCL Construction, Finchley N3
The client's view
“Responsive and professional architects and construction services from LCCL Construction. Would highly recommend. High quality work, completed on time and with speed as expected.”
Verified client · Yell
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.

“Rear house extension 6x3m and dormer loft conversion completed with LCCL Construction, finished the whole project in 14 weeks very happy with the outcome, highly skilled and experienced design and build company a perfect match for our house. Would highly…”
Fran S · Reviews.io
“Total refurbishment and side return extension in East Finchley. LCCL totally refurbished our 3-bed Victorian terraced house in East Finchley and built a new 5m side return extension. This means rewiring, re-plumbing, drainage, sewer, and waste. Building a…”
A Davidsson · Google Reviews
“LCCL Construction did the loft design and submission to Barnet Council on our NW4 property. The service from Alexander and his team was outstanding, from beginning to end. Our initial application was rejected, but the designer came up with new drawings –…”
Peter Thompson · Trustpilot






