Our services include loft conversions, house extensions, architectural design and custom house builders


architecture and construction solutions, design and build company London, UK

Lccl are a full service architecture and construction company located in Finchley, London N3 United Kingdom. From traditional to contemporary, we are experts at creating unique spaces that match your unique style and needs.

" We hold £5m Public Insurance

£10m Employers and All Risk Total Insurance to give you a peace of Mind! " 

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


Get instant quote for your loft conversion, home extension, renovation or new build including architecture and design build

Type of projects we do including architecture and construction, get your instant design and build quote 

New permitted development rights and type of upward extension on homes that are possible in England

You can add additional two storeys to houses in England without needing planning permission.

Book free consultation call to find out what is possible and how we can help.

Learn about the new permitted development rights that allow

upward extensions on existing homes. Your house can't be in protected area, and it has to have been built between July 1948 and 2018.

What is the design and build process
How does it work?

What is the design and build process

Lccl Construction Company Services

Start your 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

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What are the stages in architecture, examples of the drawings, about the type of loft conversions and house extension.

Get free advice

It does not matter at what stage you are in book with us a consultation call online it is quick and simple, free of charge.

Loft Conversions

What are the different types of loft conversions, costs associated and return on investment, locations we operate in. 

Get Inspired

Have you seen our portfolio? we would pretty much have any type of project you could wish for, get inspired follow the link.

House Extensions

Types of house extension, what do they cost, where we build house extensions, value of house extensions.