Our services Include Loft Conversions, House Extensions, Architectural Design and  Custom House Builders


Construction and House Building Solutions

Lccl are a full service Construction company located in Hertfordshire and London. From traditional to contemporary, we are experts at creating unique spaces that match your unique style and needs.

" We hold £10m Public Insurance

£5m Employers and All Risk Total Insurance to give you a peace of Mind! " 

“Professional contractors offering support to residential and commercial customers. 35+ years Experience.” 

House Extensions
- Rear Extensions
- Side Extensions
- Two storey extensions
- LABC 10 Year Warranty
- No Deposit Required
- Plumbing and Electrical Packages
- Design Build
Loft Conversions
- Rear Dormer
- Mansard
- Hip to Gable and Velux
- LABC 10 Year Warranty
- No Deposit Required
- - Plumbing and Electrical Packages
- Design Build
Design and Build
- Design Build London and Hertfordshire
- Design Build Loft Conversions
- Design Build House Extensions
- Design Build Small Houses
- Affordable and Cost Effective
- 10 Year Warranty
- Local Authority Building Control Partner
New House Builders
- Design build New Build Houses
- With Bathroom and Kitchen
- NFB Accredited
- Affordable and Cost Effective
- LABC 10 Year Warranty
- Local Authority Building Control Certified
- Design and Build
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Lccl Construction Company Services

Start your construction project today

Our services area for loft conversions, house extensions and architecture services, if your area is not listed ask if we cover your area: 

loft conversions london

loft conversions hertfordshire 

loft conversions north london

loft conversions east london

loft conversions south london

loft conversions west london

loft conversions essex

house extensions london

house extensions hertfordshire 

house extensions north london

house extensions east london

house extensions south london

house extensions west london

house extensions essex

architectural design london

architectural design hertfordshire 

architectural design north london

architectural design east london

architectural design south london

architectural design west london

architectural design essex

Borehamwood, Hertfordshire Office Location:

Unit 720 Catalyst House, Centennial Park, Centennial Avenue, Borehamwood, WD6 3SY

Finchley, London Office Location:

3rd Floor, Hathway House, Popes Dr, Finchley, London N3 1QF



020 8037 7332

Office Hours:

Monday to Saturday 8AM - 6PM

Sunday - Closed

Registered company England:

North London Loft Conversions Ltd. Trading as "Lccl Construction" Registration: 11713461

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Lccl Construction. Specialist loft conversion company, house extension builders, architectural design and planning. Design and build construction company from start to finish including architecture, planning, building control, party walls, structural calculations, project management, construction and finishing.

Accreditation, partnerships and planning:

Planning Portal
Lodon and Hertforshire Construction Awards

Copyright 2006 - 2020 all rights received. Architecture services, house extension builders, loft conversion company and design and build company London & Hertfordshire, United Kingdom. By using our services you agree to our privacy policy and terms and conditions.

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