
St. Marks Court
NW8
A project in St. Marks Court, NW8.

London Basement And Structures Ltd · Company 12033657 · Trading heritage since 1962
Active, accounts up to date·main contractor & subcontractor & developer·Head office London
London Basement has established itself as a leading specialist in basement and structural construction projects across London and the Home Counties. With roots tracing back to a construction company founded in 1962, the firm has evolved to encompass complex structural alterations, cut and carve, and shell & core construction, building a reputation for technical excellence and reliable delivery. They combine deep technical expertise with a commitment to clarity, compliance, and client confidence, ensuring precision and transparency in every project.
Their services cover end-to-end solutions for below and above ground structural works, from initial consultation and design through to excavation and construction, managing all aspects including engineering, safety, and compliance. London Basement is trusted by private homeowners, architects, structural engineers, developers, contractors, and QS firms. They offer fixed-price contracts and phased delivery models, backed by three decades of specialist experience and a proven track record in transforming challenging London environments into functional, valuable spaces.

NW8
A project in St. Marks Court, NW8.

SW15
A project in Putney, SW15.

W14
A project in Holland Park, W14.

NW3
A project in Hampstead, NW3.

E8
A project in Hackney, E8.

SW13
A project in Barnes, SW13.

N1
A project in Islington, N1.

SW3
A project in Chelsea, SW3.

W11
A project in Notting Hill, W11.

SW3
A project in Chelsea, SW3.

A project at The Grove.

A project at Sheffield Terrace.
private homeowners, Architects, Structural Engineers, Developers, Contractors, QS firms.
This profile was compiled from public records. Claim it to add the things buyers ask for:
London Basement specialists in high-quality basement conversions across London. Expert design, planning & construction. Free consultation. Their listed services include Basement works, Refurbishment, Extensions, Concrete works and Waterproofing.
London Basement is registered at Suite 6 2 Shad Thames, London, SE1 2YU, in London.
London Basement states that it works across London and Home Counties.
Accounts filed for the year to 2025 report 8 employees, which places the company in the 1-9 employees band.
Companies House lists London Basement as active, with accounts most recently made up to 2025-06-30.
London Basement displays Advanced Badge, 114448, ccs-logo and BREEAM on its website.
London Basement works in Residential and Commercial.
London Basement was incorporated on 2019-06-05, though the company says it has traded since 1962.
Planyard keeps budgets, committed costs and variations live, so the figure in front of you is today's rather than last month's.