NW1 House Extension
A house extension project in NW1.
Constructum Code Ltd · Company 15031868
Active, accounts up to date·main contractor & developer·Head office Loughton
Constructum Code is a London-based construction company that specialises in three core services: house extensions, loft conversions, and commercial builds. They cater to homeowners, landlords, architects, and business clients across South East London, Greater London, and surrounding areas. The company manages projects from initial assessment to final handover, focusing on areas requiring structural work, planning coordination, construction management, and clear communication.
Their expertise includes designing and building various types of house extensions, such as side-return, rear, and double-storey. For loft conversions, they deliver dormer, Mansard, and roof-light options, coordinating structural works, insulation, fire safety, plumbing, electrical, plastering, and joinery. In the commercial sector, Constructum Code undertakes structural fit-outs, internal alterations, refurbishments, and partitioning for offices, retail units, and business premises, working closely with stakeholders to align construction with operational needs.
The company emphasizes a coordinated delivery approach, providing a single point of communication and project coordination. They manage all aspects of a project, from planning and technical coordination to structural construction and final handover, ensuring continuity and clear communication with the client. Constructum Code also highlights its accreditations and partnerships, including TrustMark, Certass, FairTrades, and being a certified VELUX installation partner.
A house extension project in NW1.
A commercial build project in TW9.
Beckenham, BR3
A kitchen extension project.
E13
A house extension project.
KT3
A house extension project.
SE6
A house extension project.
SW12
A house extension project.
SW16
A house extension project.
SE15
A house extension project.
SE23
A house extension project.
SW17
A loft conversion and house extension project.
SW19
A house refurbishment project.
homeowners, landlords, architects, interior designers, business clients, commercial landlords, project stakeholders, business owners.
This profile was compiled from public records. Claim it to add the things buyers ask for:
Constructum Code is a London construction company specialising in house extensions, loft conversions, and commercial builds for homeowners, landlords, and businesses. Their listed services include Extensions, Loft conversions, Refurbishment, Design & build and Basement works.
Constructum Code Ltd is registered at Ground Floor Office, Unit 10a Loughton Business Centre, Langston Road, Loughton, IG10 3FL, in London.
Constructum Code Ltd states that it works across London, South East London and Essex.
Accounts filed for the year to 2025 report 1 employees, which places the company in the 1-9 employees band.
Constructum Code Ltd does not disclose turnover: UK small-company accounts are not required to. Based on creditors in its filed accounts, turnover is likely to fall between £57k and £230k. This is an estimate, not a filed figure.
Companies House lists Constructum Code Ltd as active, with accounts most recently made up to 2025-07-31.
Constructum Code Ltd displays TrustMark, Certass, FairTrades and VELUX installation partner on its website.
Constructum Code Ltd works in Residential and Commercial.
Constructum Code Ltd was incorporated on 2023-07-27.
Planyard keeps budgets, committed costs and variations live, so the figure in front of you is today's rather than last month's.