From £88,372
J & N Contracts Cambs Ltd is an established and experienced local extension builder in CB23. Please contact us for a free, no obligation quote and ...
From £88,252
Based in Cambridgeshire James Burch Roofing specialises in flat roofing in felt and single ply membranes. For the past 10 years we have worked thro...
From £88,408
Trusted and professional extension builder in CB23. Experienced in all extension buildering work and keeping within budget and on quote. IJC Buildi...
From £88,192
Need an Extension Builder in CB23? Baufritz (UK) Limited has been helping local clients (20 mile radius) with their extension buildering jobs for m...
From £87,964
Need an Extension Builder in CB23? SturdyBuild has been helping local clients (20 mile radius) with their extension buildering jobs for many years....
From £88,348
WESTWICK BUILDERS LIMITED is an established extension buildering business in CB23. We come highly recommended and provide competitive quotes for yo...
From £88,612
Need to find an Extension Builder near you for all your extension buildering work?
Louise Swarbrick Design provides a local, trusted extens...
From £88,324
M OLIVER BUILDING is an established and experienced local extension builder in CB23. Please contact us for a free, no obligation quote and competit...
From £88,576
Comprehensive, Intelligent Construction Service offering Domestic and Commercial Buildings, Barn, Basement and Loft Conversions, Renovation & Refur...
From £88,228
Relax... you have found a reliable extension builder in CB23. CROWNBUILD is a friendly and reliable company based in CB23 who consider no job as to...

Costs range from £87,964 (SturdyBuild based in CB3) to £88,612 (Louise Swarbrick Design based in CB3), but these are just estimates. The best way to compare costs is to get real quotes from real builders.
Post your job on HaMuch and we'll send it to extension builders to CB23.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Two Storey Extension near South Cambridgeshire | £43 | £305 |
| Two Storey Extension near Cambridge | £38 | £271 |
| Two Storey Extension near St Neots | £51 | £318 |
| Two Storey Extension near Huntingdon | £38 | £284 |
| Two Storey Extension near Biggleswade | £41 | £268 |
| Two Storey Extension near Huntingdonshire | £36 | £290 |
| Two Storey Extension near Ely | £40 | £279 |
| Two Storey Extension near Letchworth | £44 | £283 |
| Two Storey Extension near North Hertfordshire | £44 | £283 |
| Two Storey Extension near Bedford | £45 | £278 |
Whether you’re looking to extend your kitchen with a side return extension or you want to convert your basement into a liveable space, read our cost guides to get an idea of how much each project costs before getting a more accurate quote from our database of reliable tradespeople.

Underpin a building - £17,718

Two storey extension - £88,328

Build a timber frame extension - £26,218

Build a swimming pool - £81,218

Single storey extension - £59,368

Side return extension - £43,957

Install an RSJ - £2,418

Outbuilding - £10,218

Build a Mansard loft conversion - £52,218

Loft conversion - £35,798

Build a kitchen extension - £42,218

Hip to gable loft conversion - £42,218

Granny annexe - £87,218

Garden office - £10,218

Convert a Garage - £16,218

Garage - £18,718

Build a flat roof extension - £22,218

Build a dormer loft conversion - £42,218

Concrete foundations - £6,468

Convert a bungalow loft - £29,218

Convert a basement - £39,957