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LCCL Construction – design and build company, London N3
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Add paragraph text. Click “Edit Text” to update the font, size and more. To change and reuse text themes, go to Site Styles.

Add paragraph text. Click “Edit Text” to update the font, size and more. To change and reuse text themes, go to Site Styles.

Add paragraph text. Click “Edit Text” to update the font, size and more. To change and reuse text themes, go to Site Styles.

Add paragraph text. Click “Edit Text” to update the font, size and more. To change and reuse text themes, go to Site Styles.

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Project photo to come

Vale Avenue, Borehamwood WD6

Hip-to-gable loft — 1950s semi-detached — Completed 2021

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£65k – £75k

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.

How design and build works

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, structural guarantee to building-control sign-off and a 10-year LABC Warranty available.

One team, one contract, one point of contact — from first sketch to handover.

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Planning something similar?

Get an instant estimate for your postcode, or book a free 30-minute call with our team. Call 020 8037 7332, Monday to Saturday 08:00–18:00.

What clients say

Verified reviews, quoted exactly

average rating is 5 out of 5
“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

average rating is 5 out of 5
“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

average rating is 5 out of 5
“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

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