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Construction · London

Construction companies in London

There are 86,201 construction companies registered in London, spread across 328 postcode areas. Here is what they do, where they cluster, and how to get the full list.

Built from the Companies House register · Data updated monthly · companymap.co.uk

86,201construction companies
63,649currently active (74%)
328postcode areas covered
EC1V densest area (4,456 firms)

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What they do — by trade

The trade mix across London's 86,201 registered construction companies, by primary SIC activity:

Development of building projects24,999
Construction of domestic buildings20,218
Other specialised construction activities11,101
Other building completion and finishing10,930
Construction of commercial buildings10,599
Electrical installation6,518
Plumbing, heat and air-conditioning installation6,500
Other construction installation6,140
Painting3,903
Construction of other civil engineering projects2,257

Where they cluster — by postcode area

Registered offices by outcode — the densest is EC1V with 4,456 firms:

EC1V4,456 WC2H4,386 EC2A4,254 N13,281 W1W2,389 E171,986 E61,619 NW91,457 NW101,426 E141,418

When they were founded

Company formations in the sector, by year (full calendar years):

4,8762020
4,7712021
5,2912022
6,9762023
11,3802024
11,4372025

A sample of the companies

A handful of the active construction companies registered across London's postcodes:

CompanyArea
Vale Uk Homes LtdN22
Addison & Vale Construction LtdE17
Get It Done Builders LtdN1
Complete Bathroom Renovations LtdSE1
S & N Construction LtdN14
Edemis Construction LtdEC1V
Sjk Construction & Management LtdEC2A
Don Baker'S Maintenance LtdN22
Cardiff Electrical Solutions LtdEC1V
Tyne Kitchen Installations LtdWC2H
Maintenance Group Uk LimitedE7
Pronto Roofing And Construction LtdEC1V

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Each row includes the company name, number, status, incorporation date, full registered address, postcode, SIC codes and a direct link to its Companies House record.

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Quick answers

How many construction companies are there in London?

There are 86,201 construction companies with a registered office in London on the Companies House register, of which 63,649 (74%) are currently active.

Which part of London has the most construction companies?

The EC1V postcode area has the highest concentration, with 4,456 of London's construction companies registered there.

How many new construction companies were started in London in 2025?

11,437 new construction companies were incorporated in London during 2025, the most recent complete year on the register.

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