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.

“Extension built by LCCL Construction. We have just recently completed our ground floor house extension on our semi-detached home in Finchley. The services we used were for the design and build of the extension which is three meters and the full breadth of…”
EVA HALL · Trustpilot
“We are very happy with the services from Lccl, Alex has done a great job on design and construction. We have used Lccl in the past for our rear house extension and have come back to instruct Lccl for our loft conversion too to our house in North London. As…”
Mia M · Google Reviews
“Everyone at LCCL Construction was skilled, trustworthy and worked to the highest standard. I am delighted with our loft conversion, it is exactly what we wanted and I highly recommend the company - they have transformed the quality of my home. Overall it…”
KashImaging · Google Reviews





