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 hip-to-gable loft conversion on a 1950s semi in Borehamwood: a new bedroom with en-suite, permitted development, six weeks on site.
Project facts
- House1950s semi-detached
- Added+400 sq ft
- On site6 weeks
- Completed2021
- PlanningPermitted development
- Contract value£65,000 – £75,000 inc. VAT
Built under permitted development. No planning application was needed: the design was kept inside the permitted development limits. How permitted development loft and extension projects work
Project type: Hip-to-gable loft · Area: Borehamwood WD6
What we did
- Hip-to-gable loft conversion with rear dormer
- Bedroom with en-suite
- Permitted development
Specification
Victoria Plumb · Fire Doors · New Electrical Systems
Design and build inclusive: architecture, structural engineering, planning, party wall, construction, project management and LABC sign-off under one contract.
Anderson's note
Hip-to-gable plus rear dormer on a semi nearly always falls under permitted development — the neighbours are the variable. A conversation over the fence before the notice lands avoids most objections.
Anderson, founder — LCCL Construction, Finchley N3
The client's view
“We had our loft converted by LCCL construction and are very happy with it. They have designed and build hip to gable loft conversion to our house. From start them to be professional and reliable. Would highly recommend.”
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.
“I highly recommend LCCL Construction. They completed our loft conversion to a very high standard, and the quality of their work throughout was excellent. The team was professional, reliable, and completed everything within a very reasonable timeframe. They…”
Alina A · Trustpilot
“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