We are the experts at transforming spaces across London and the South East of England. As a specialist fit out and refurbishment main contractor, we deliver exceptional change for our clients - from old to new, or from nothing to something. Our dynamic team is made up of technical experts and creative thinkers, reshaping our industry through our commitment to delivering difference. We are a Chartered Building Company. We are ISO9001, ISO14001 and ISO18001 certified. We are registered with CHAS, Constructiononline and Safecontractor.
| Website | https://21.construction/ |
| Revenue | $6 million |
| Employees | 31 (10 on RocketReach) |
| Founded | 2012 |
| Address | 4th Fl, Boundary House, 91-93 Charterhouse St, London, Greater London EC1M 6HR, GB |
| Technologies |
ConstructionOnline
(view technologies)
|
| Industry | Construction |
| Keywords | Construction, Fit Out, Refurbishment, Main Contractor, Building, Renovation, Commercial Building, Space Transformation, Building Contractor, Construction Services, General Contractor, Property Refurbishment, Building Refurbishment, Office Fit Out, Interior Fit Out, Construction Management, Project Management, Design And Build, Property Development |
| Competitors | Jacobs, Kiewit, Turner Construction Company, Skanska, Mortenson, The Whiting-Turner Contracting Company, McCarthy Building Companies, Inc., Gilbane Building Company, Clark Construction Group, Balfour Beatty plc +32 more (view full list) |
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21Construction Questions
The 21Construction annual revenue was $6 million in 2026.
10 people are employed at 21Construction.
21Construction is based in London, Greater London.
Top 21Construction Employees
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Marion Duplain
Non-Executive Director at 21Construction
London, England, United Kingdom21 -
12
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John Purnell
Construction Manager at 21Construction
Southend-on-Sea, GB1 -
2
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