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 two-storey extension to a 1912 house in Welwyn Garden City: kitchen and study below, master bedroom with en-suite above, with custom-made kitchens and CP Hart bathrooms.
Project facts
- House1912 detached
- Added+1,500 sq ft
- On site18 weeks
- Completed2020
- PlanningHouseholder planning (Welwyn Hatfield)
- Contract value£350,000 – £400,000 inc. VAT
Project type: Double-storey extension · Area: Welwyn Garden City AL7
What we did
- Two-storey rear extension
- Kitchen and study on the ground floor
- Master bedroom with en-suite above
- Custom-made kitchen, CP Hart bathroom
- Wood floors
Specification
CP Hart bathrooms · Custom-made kitchen · Wood floors
Design and build inclusive: architecture, structural engineering, planning, party wall, construction, project management and LABC sign-off under one contract.
Anderson's note
Welwyn Garden City has its own design code; a two-storey extension has to follow the roof pitch and materials of the original house exactly, and we drew it that way from the first sketch so planning was a formality.
Anderson, founder — LCCL Construction, Finchley N3
The client's view
“Professional, honest and understanding approach to our requirements. Highly recommend.”
Verified client · Trustpilot
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