Award-Winning Loft Conversions and House Extensions in London
ABOUT US
LCCL Construction is a design and build company based in Finchley, North London, specialising in loft conversions, house extensions, home renovations and new builds. With over 20 years of experience, 200+ reviews rated 4.7/5, and the LABC Award for Best Residential Extension London 2024, we handle everything from architectural design and planning through to construction and finishing.
Covering London and Hertfordshire, United Kingdom and Surrounding Areas
Located in Finchley, N3 London
London Number 1 Award Winning Residential House Builders and House Extension Design and Build Company
Extremely professional and personable company - highly recommended
Super professional and on the ball at all times. He always thinks ahead and won't let you down. All his teams, from bricklayers, carpentry to electrics, roofing, tiling, painting, flooring and plumbing are excellent and hard working. They are all friendly yet professional. They are conscientious and want the job to be well done.
Ludovic, 7 February
Very happy with the services provided…
In just over 6 months LCCL they managed to transform my damp, musky, 1900s mid-terrace house in dire need for repair into a clean and modern living space - loft conversion, full rear extension, patio, outside rendering fixes, new doors and windows and complete electrics and plumbing rehaul - ...
Matt EL, 01 July
LCCL Did An Excellent Job
Reliable, fast, trustworthy and very organised we had many people on site working at the same time and the work progressed very quickly. Our extension and loft conversion look great and we would recommend.
Alex Gray, 24 May
Accreditations and awards
Our featured work portfolio
Our complete design and build service covers everything from architectural design and planning through to construction and finishing — all under one roof.
From £18,000
dormer loft conversions
hip to gable loft conversions
mansard loft conversions
L shaped loft conversions
velux loft conversion
optional LABC 10 year warranty
plumbing and electrical packages
design and build loft company london
new permitted development rules applied
From £35,000
rear house extension builders
kitchen extension builders
side return extension builders
wraparound and side return house extension
optional LABC 10 year warranty
plumbing and electrical packages
design and build company in London
New permitted development rules applied
From £750
design and build company in London, UK
design and build of loft conversions
design and build of house extensions
design and build new houses
optional LABC 10 year warranty
local authority building control partner
party wall and structural drawings and calculations
From £750
Architecture, Design and Planning
Measured building survey
Schematic drawings Consultation and Party Wall Agreements
Project Management
Structural Drawings and Calculations Planning and Building Control Application
From £25000
Flat and Apartment Renovations
House Renovations
Design and Build
Plumbing and Electrical
Supply and Install Kitchens, Bathrooms, Flooring, Doors or Wardrobes
Total finishing options
From £250,000
new home build schemes
design and construction
architecture design and planning
LABC 10 year warranty
no deposit required
plumbing and electrical packages
New permitted development rules applied
Lccl Construction unique construction process and design and build process for loft conversion and home extension
Find out more about Lccl Construction unique construction process or design and build process and what happens on the design or construction stage.
Step by step explanation of loft conversion, home extension and new build design and construction process.
We have included our original project images taken on our construction projects.
Frequently Asked Questions
Where is LCCL Construction based?
LCCL Construction is based at 3rd Floor, Hathaway House, Popes Drive, Finchley, London N3 1QF. Our office is open Monday to Saturday 8AM to 6PM. We cover London and Hertfordshire within an 85-mile radius of our office.
What areas does LCCL Construction cover?
LCCL Construction covers all of London and Hertfordshire, operating within an 85-mile radius from our offices in Finchley, North London. We serve areas including Barnet, Enfield, Borehamwood, Potters Bar, St Albans, Watford, Hampstead, Muswell Hill, Highgate, Crouch End, Islington, Camden, Wembley, Ealing, Hendon, Finchley, Southgate, Edgware, Harrow, Richmond, Twickenham, Dulwich, Lewisham, Eltham, Stratford, Hackney, Walthamstow and many more areas across North London, South London, East London, West London, Central London and Hertfordshire.
How long has LCCL Construction been in business?
LCCL Construction has over 20 years of experience in design and build construction services across London and Hertfordshire. We have completed hundreds of loft conversions, house extensions, renovations and new build projects. The company is registered in England as House Extension Company London Limited, trading as LCCL Construction, registration number 16618197.
What reviews does LCCL Construction have?
LCCL Construction has over 200 reviews with an average rating of 4.7 out of 5 across multiple platforms including Trustpilot, Reviews.io, Houzz, Yell, LCCL Construction Reviews and Embed Social. We have also won the LABC Awards Regional Winner 2024 for Best Residential Extension London and Best of Houzz Service awards.
Does LCCL Construction offer a guarantee on their work?
Yes, LCCL Construction is an LABC Registered Partner and offers an optional 10-year warranty on all construction work. This provides peace of mind and protection long after the project is completed. All work is fully insured and compliant with building regulations.
What accreditations does LCCL Construction have?
LCCL Construction is a member of the National Federation of Builders, an LABC Registered Partner, and a Planning Portal listed contractor. We have won the LABC Awards Regional Winner 2024 for Best Residential Extension London, NFB Awards, and Best of Houzz Service awards. We are fully insured and compliant with all government and industry standards.
How do I get a quote from LCCL Construction?
You can get an instant quote online at lcclconstruction.co.uk/instant-quote or book a free consultation call at lcclconstruction.co.uk/booking-calendar/free-consultation-call. You can also call us on 020 8037 7332 or email info@lcclconstruction.co.uk. All consultations and quotes are free with no obligation.
What services does LCCL Construction offer?
LCCL Construction offers a complete design and build service including loft conversions, house extensions, home renovations, new builds, architectural design, planning permission applications, building regulations drawings, structural calculations, party wall agreements, measured building surveys, project management, construction and finishing. We handle everything from start to finish so you have one point of contact throughout your project.
Why is LCCL Construction one of the best house extension builders in Greater London?
LCCL Construction is one of the leading house extension builders in Greater London. We offer a complete design and build service covering architectural design, planning, building regulations and construction. We won the LABC Awards Regional Winner 2024 for Best Residential Extension London, have over 200 reviews rated 4.7 out of 5, and are members of the National Federation of Builders. We cover all Greater London boroughs from our base in Finchley, North London.
7 reasons to choose
LCCL Construction
1. Insured, Registered and Accredited Construction Company
3. Fully Detailed Quotes on Small, Mid & Large Projects
4. Efficient and Professional services
5. Located locally London, United Kingdom
6. Small Deposit
7. Optional LABC Warranty 10 - 12 years