Wrap-around extension
Histon, Cambridge
A wrap-around extension delivered with impressive skills, speed, and quality finish.
Client · Natalie Yates

Tsm Build Ltd · Company 11519237 · Trading heritage since 2003
Active, accounts up to date·main contractor & developer·Head office Cambridge
TSM Build is a well-established building company in Cambridge, founded in 2003 and officially incorporated in 2017. Led by Tom Mowbray, a fully qualified bricklayer with years of experience, we have built a reputation for quality, reliability, and craftsmanship. We specialise in delivering a wide range of domestic construction services, from groundworks and footings through to roofing, renovations, home extensions, and bespoke new builds.
Whether you're planning a modern extension, restoring a period property, or developing a small residential site, TSM Build has the expertise to bring your project to life. Based in Harston, South Cambridgeshire, we serve clients across Cambridge and neighbouring areas. We pride ourselves on offering a professional, personalised service, with all work fully guaranteed.
We hold comprehensive public liability and employer's liability insurance up to £1 million.
Histon, Cambridge
A wrap-around extension delivered with impressive skills, speed, and quality finish.
Client · Natalie Yates
This profile was compiled from public records. Claim it to add the things buyers ask for:
TSM Build is a Cambridge-based building firm delivering high-quality extensions, renovations, and home improvements with affordable craftsmanship. Their listed services include Extensions, Loft conversions, Kitchen fitting, Bathroom fitting and Driveways & paving.
TSM Build is registered at 17 Hope Street Yard, Hope Street, Cambridge, CB1 3NA, in East of England.
TSM Build states that it works across Cambridge, Cambridgeshire, Huntingdon, Newmarket, Saffron Walden and Hitchin.
Accounts filed for the year to 2025 report 1 employees, which places the company in the 1-9 employees band.
TSM Build does not disclose turnover: UK small-company accounts are not required to. Based on headcount in its filed accounts, turnover is likely to fall between £72k and £190k. This is an estimate, not a filed figure.
Companies House lists TSM Build as active, with accounts most recently made up to 2025-08-31.
TSM Build works in Residential.
TSM Build was incorporated on 2018-08-15, though the company says it has traded since 2003.
Planyard keeps budgets, committed costs and variations live, so the figure in front of you is today's rather than last month's.