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Select your affordable Camborne extension builder
Dave Paull
At peninsula refurbishment we provide a service from start to finish with minimal hassle for the customer. The workmanship is always high priority,...
Trusted and professional extension builder in Camborne. Experienced in all extension buildering work and keeping within budget and on quote. D & S ...
Camborne, TR14
D.P.Hatley Building Services is an established extension buildering business in Camborne. We come highly recommended and provide competitive quotes...
From £86,784
Need to find an Extension Builder near you for all your extension buildering work?
KPK Builders Ltd provides a local, trusted extension bui...
From £86,472
Trusted and professional extension builder in Camborne. Experienced in all extension buildering work and keeping within budget and on quote. Marks ...
From £86,792
Need to find an Extension Builder near you for all your extension buildering work?
Samuel Winn Design & Build provides a local, trusted ext...
From £86,744
Trusted and professional extension builder in Camborne. Experienced in all extension buildering work and keeping within budget and on quote. Jo Tra...

Building a granny annexe ranges from £86,472 (Marks maintenance based in TR14) to £86,904 (Peninsula Property Refurbishments based in TR15), but these are just estimates that can help give you an idea of who will be better value in your area.
The best thing to do is to get quotes to build a granny annexe in Camborne by posting a job with HaMuch. We will send it to extension builders in Camborne who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Camborne | £28 | £196 |
| Granny Annexe near St Ives, Cornwall | £27 | £188 |
| Granny Annexe near Falmouth | £33 | £220 |
| Granny Annexe near Truro | £31 | £206 |
| Granny Annexe near Newquay | £32 | £230 |
| Granny Annexe near St Austell | £38 | £245 |
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 - £17,191

Two storey extension - £87,537

Build a timber frame extension - £25,691

Build a swimming pool - £80,691

Single storey extension - £48,829

Side return extension - £38,029

Install an RSJ - £1,891

Outbuilding - £9,691

Build a Mansard loft conversion - £51,691

Loft conversion - £30,857

Build a kitchen extension - £41,691

Hip to gable loft conversion - £41,691

Granny annexe - £86,691

Garden office - £9,691

Convert a Garage - £15,691

Garage - £18,191

Build a flat roof extension - £21,691

Build a dormer loft conversion - £41,691

Concrete foundations - £5,941

Convert a bungalow loft - £28,691

Convert a basement - £34,029