Mickey Woolfe
Need to find an Extension Builder near you for all your extension buildering work?
M Woolfe Builders & Carpenters provides a local, trusted...
Inspire Carpentry and Construction Ltd is an established and experienced local extension builder in CB3. Please contact us for a free, no obligatio...
Silverwood Construction (Cambridge) Ltd are here to help customers who need an Extension Builder in CB3. We offer a competitive rate to complete al...
Relax... you have found a reliable extension builder in CB3. CROWNBUILD is a friendly and reliable company based in CB3 who consider no job as too ...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Experienced extension builder ready to quote for your work. ALLIED BUILDING ASSOCIATES LTD is the best extension builder in CB3. No obligation free...
Ireneusz Pawelek
Eric Handyman- builder is an established and experienced local extension builder in CB3. Please contact us for a free, no obligation quote and comp...
Need an Extension Builder in CB3? WILLMOTT DIXON CONSTRUCTION LI has been helping local clients (20 mile radius) with their extension buildering jo...
Richard Groom
Relax... you have found a reliable extension builder in CB3. R G BUILDERS is a friendly and reliable company based in CB3 who consider no job as to...

Costs range from £87,880 (Inspire Carpentry and Construction Ltd based in CB24) 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.
Post your job on HaMuch and we'll send it to extension builders to CB3.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Two Storey Extension near Cambridge | £38 | £271 |
| Two Storey Extension near South Cambridgeshire | £43 | £305 |
| 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 Ely | £40 | £279 |
| Two Storey Extension near Huntingdonshire | £36 | £290 |
| Two Storey Extension near Letchworth | £44 | £283 |
| Two Storey Extension near Haverhill | £37 | £260 |
| Two Storey Extension near North Hertfordshire | £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 - £17,800

Two storey extension - £88,450

Build a timber frame extension - £26,300

Build a swimming pool - £81,300

Single storey extension - £61,000

Side return extension - £44,875

Install an RSJ - £2,500

Outbuilding - £10,300

Build a Mansard loft conversion - £52,300

Loft conversion - £36,563

Build a kitchen extension - £42,300

Hip to gable loft conversion - £42,300

Granny annexe - £87,300

Garden office - £10,300

Convert a Garage - £16,300

Garage - £18,800

Build a flat roof extension - £22,300

Build a dormer loft conversion - £42,300

Concrete foundations - £6,550

Convert a bungalow loft - £29,300

Convert a basement - £40,875