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From £35,200
We are a family run Construction Company based in Penzance. We employ over 10 skilled local trade professionals with 2 apprentices as well. Residen...

Comparing extension builders estimates for Side return extension gives you an idea of who will be better value but the best way to compare costs is to get actual quotes.
What to do - Get rates and quotes for a side return extention by posting your job to extension builders in St Ives, Cornwall.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Side Return Extension near St Ives, Cornwall | £27 | £188 |
| Side Return Extension near Camborne | £28 | £196 |
| Side Return Extension near Falmouth | £33 | £220 |
| Side Return Extension near Truro | £31 | £206 |
| Side Return Extension near Newquay | £32 | £230 |
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 - £16,940

Two storey extension - £87,160

Build a timber frame extension - £25,440

Build a swimming pool - £80,440

Single storey extension - £43,800

Side return extension - £35,200

Install an RSJ - £1,640

Outbuilding - £9,440

Build a Mansard loft conversion - £51,440

Loft conversion - £28,500

Build a kitchen extension - £41,440

Hip to gable loft conversion - £41,440

Granny annexe - £86,440

Garden office - £9,440

Convert a Garage - £15,440

Garage - £17,940

Build a flat roof extension - £21,440

Build a dormer loft conversion - £41,440

Concrete foundations - £5,690

Convert a bungalow loft - £28,440

Convert a basement - £31,200