Rear extension at dusk with sliding doors open onto a courtyard garden

Residential Construction — London

Building exceptional homes across London.

Construction Lab London delivers construction, renovation, refurbishment and new build projects throughout North, North West and Central London.

Construction Lab London

A family-run North London construction company, twenty years in the making.

We are a family-run construction company with over twenty years of experience, specialising in high-quality construction, renovations, refurbishments and property improvements across the capital — from whole-house renovations to new builds and change of use conversions.

From structural alterations and extensions to complete property transformations, we work closely with homeowners, architects and designers to deliver projects with precision, transparency and attention to detail.

About Construction Lab →

20+ Years

Over two decades building, renovating and refurbishing London homes.

Family Run

Director led, with the directors on the projects rather than behind a desk.

£10m Insured

£10m liability insurance on every project.

6-Year Warranty

A 6-year structural warranty on our build work.

Capped Pricing

Our quoted price only rises if you add work.

01

Renovations

Whole-house refurbishment, from strip-out and first fix to final finishes.

02

Extensions

Side return, rear and wrap-around builds, including structural openings.

03

Loft Conversions

New floors that read as part of the house rather than an addition.

04

Basements

Digs, underpinning and conversions, built to the engineer’s specification.

05

New Builds

Complete houses built from the ground up, groundworks to handover.

06

Change of Use

Commercial to residential and residential to commercial conversions.

Services

Everything under one roof.

A single team across the whole scope of works, from structure to final finishes.

  • New Build Construction
  • Full Property Renovations
  • Residential Refurbishments
  • Commercial to Residential Conversions
  • Residential to Commercial Conversions
  • House Extensions
  • Loft Conversions
  • Structural Alterations
  • Kitchen Renovations
  • Bathroom Renovations
  • Basement Works
  • Roofing
  • Brickwork
  • Damp Proofing
  • Bespoke Carpentry
  • Interior Finishing
  • External Works
  • General Building Works

All Services →

Our Approach

Built properly. Managed professionally.

Quality

We focus on workmanship, materials and attention to detail at every stage of the project.

Communication

Clear communication throughout the build means our clients always know how their project is progressing.

Project Management

We coordinate trades, materials and construction stages to keep the programme organised and efficient.

Attention to Detail

From structural work to final finishes, every element is considered and checked.

Workmanship

In the detail

See the projects →
Herringbone brick detail turning the corner of a first-floor window
Herringbone brickwork, set out to align with the existing courses
Timber treads cantilevered from a steel stair against exposed brickwork
Treads cantilevered from the stair string, against original brick
Living room opening to a planted courtyard through sliding doors
Sliding glazing opening the living space to the courtyard
Rear extension in buff and herringbone brickwork on a Highbury terrace

Where We Work

Building Across London

Construction Lab London is based in North London and undertakes residential projects throughout North, North West and Central London.

  • Islington
  • Hackney
  • Camden
  • Barnet
  • Haringey
  • Enfield
  • Hampstead
  • Highgate
  • Muswell Hill
  • Crouch End
  • St John’s Wood
  • Primrose Hill
  • Marylebone
  • Fitzrovia
  • Clerkenwell

Check if we cover your area →

Start a Project

Planning a project?

Whether you’re renovating an existing home, extending your property or planning a complete transformation, we’d be happy to discuss it with you.