From £90,040
Experienced extension builder ready to quote for your work. ALLIED BUILDING ASSOCIATES LTD is the best extension builder in CB22. No obligation fre...
From £88,324
Trusted and professional extension builder in CB22. Experienced in all extension buildering work and keeping within budget and on quote. DEBRAY BUI...
From £88,516
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £88,576
Comprehensive, Intelligent Construction Service offering Domestic and Commercial Buildings, Barn, Basement and Loft Conversions, Renovation & Refur...
From £87,904
TSN Consultants Ltd are here to help customers who need an Extension Builder in CB22. We offer a competitive rate to complete all your extension bu...
From £88,564
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £88,108
Relax... you have found a reliable extension builder in CB22. D Stebbings is a friendly and reliable company based in CB22 who consider no job as t...
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 £88,228
Relax... you have found a reliable extension builder in CB22. CROWNBUILD is a friendly and reliable company based in CB22 who consider no job as to...
From £88,108
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...

Costs range from £87,904 (TSN Consultants Ltd based in CB1) to £90,040 (ALLIED BUILDING ASSOCIATES LTD based in CB22), but these are just estimates. The best way to compare costs is to get real quotes from real builders.
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| 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 Haverhill | £37 | £260 |
| Two Storey Extension near Biggleswade | £41 | £268 |
| Two Storey Extension near East Hertfordshire | £44 | £289 |
| Two Storey Extension near Letchworth | £44 | £283 |
| Two Storey Extension near St Neots | £51 | £318 |
| Two Storey Extension near Ely | £40 | £279 |
| Two Storey Extension near North Hertfordshire | £44 | £283 |
| Two Storey Extension near Bishop's Stortford | £42 | £264 |
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 - £17,832

Two storey extension - £88,498

Build a timber frame extension - £26,332

Build a swimming pool - £81,332

Single storey extension - £61,640

Side return extension - £45,235

Install an RSJ - £2,532

Outbuilding - £10,332

Build a Mansard loft conversion - £52,332

Loft conversion - £36,863

Build a kitchen extension - £42,332

Hip to gable loft conversion - £42,332

Granny annexe - £87,332

Garden office - £10,332

Convert a Garage - £16,332

Garage - £18,832

Build a flat roof extension - £22,332

Build a dormer loft conversion - £42,332

Concrete foundations - £6,582

Convert a bungalow loft - £29,332

Convert a basement - £41,235