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
Call 020 8037 7332 or get an instant estimate online.
A rooflight loft conversion on a Victorian house in Hampstead: one new room within the existing roof, four weeks on site — the lightest-touch loft we do.
Project facts
- HouseVictorian (1870s)
- Added+250 sq ft
- On site4 weeks
- Completed2025
- PlanningHouseholder planning (conservation area)
- Contract value£40,000 – £50,000 inc. VAT
Project type: Velux loft · Area: Hampstead NW3
What we did
- Rooflight (Velux) loft conversion
- One new room within the existing roof
- Conservation-area application
Specification
New Stairs and Doors
Design and build inclusive: architecture, structural engineering, planning, party wall, construction, project management and LABC sign-off under one contract.
Anderson's note
In a conservation area a rooflight loft is often the only loft you will get consent for — no dormer, rooflights on the rear slope only. It is also the fastest: four weeks.
Anderson, founder — LCCL Construction, Finchley N3
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 workmanship throughout was excellent. The team was professional, reliable, and completed everything within a very reasonable timeframe.…”
Alina A · Google Reviews
“I couldn't be happier with my loft conversion and extension done by LCCL Building Construction. Real craftsmanship, professional management of the entire build from start to finish, seamless integration of new space within the existing one. The work was…”
Plamen Petrov · Trustpilot
“LCCL Construction has beautifully transformed our house with a loft conversion, house extension and renovation including design and build, we are amazed with high quality of the build, professionalism and dedication to successfully complete our highly…”
Leonard Shehu · Google Reviews