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BOWIE CONSTRUCTION LTD is a trusted extension builder serving customers in Cambridgeshire and the surrounding area. Contact us to today to get a co...
Cambridgeshire, CB23
Comprehensive, Intelligent Construction Service offering Domestic and Commercial Buildings, Barn, Basement and Loft Conversions, Renovation & Refur...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Relax... you have found a reliable extension builder in Cambridgeshire. CROWNBUILD is a friendly and reliable company based in Cambridgeshire who c...
Experienced extension builder ready to quote for your work. ALLIED BUILDING ASSOCIATES LTD is the best extension builder in Cambridgeshire. No obli...
Relax... you have found a reliable extension builder in Cambridgeshire. D Stebbings is a friendly and reliable company based in Cambridgeshire who ...
From £88,612
Cambridgeshire, CB3
Need to find an Extension Builder near you for all your extension buildering work?
Louise Swarbrick Design provides a local, trusted extens...
From £88,564
Cambridgeshire, CB1
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £88,324
Trusted and professional extension builder in Cambridgeshire. Experienced in all extension buildering work and keeping within budget and on quote. ...
From £88,120
Coulson Building Group is a trusted extension builder serving customers in Cambridgeshire and the surrounding area. Contact us to today to get a co...

Costs range from £88,108 (D Stebbings 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 Cambridge | £41 | £275 |
| Two Storey Extension near South Cambridgeshire | £50 | £315 |
| Two Storey Extension near Haverhill | £37 | £260 |
| Two Storey Extension near Ely | £40 | £279 |
| Two Storey Extension near Huntingdon | £38 | £284 |
| Two Storey Extension near St Neots | £51 | £318 |
| Two Storey Extension near Biggleswade | £41 | £268 |
| Two Storey Extension near Bishop's Stortford | £42 | £264 |
| Two Storey Extension near East Hertfordshire | £44 | £289 |
| Two Storey Extension near Letchworth | £44 | £283 |
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 - £17,846

Two storey extension - £88,520

Build a timber frame extension - £26,346

Build a swimming pool - £81,346

Single storey extension - £61,928

Side return extension - £45,397

Install an RSJ - £2,546

Outbuilding - £10,346

Build a Mansard loft conversion - £52,346

Loft conversion - £36,998

Build a kitchen extension - £42,346

Hip to gable loft conversion - £42,346

Granny annexe - £87,346

Garden office - £10,346

Convert a Garage - £16,346

Garage - £18,846

Build a flat roof extension - £22,346

Build a dormer loft conversion - £42,346

Concrete foundations - £6,596

Convert a bungalow loft - £29,346

Convert a basement - £41,397