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Select your affordable St Columb extension builder
Relax... you have found a reliable extension builder in St Columb. BUILDMARK BUILDERS is a friendly and reliable company based in St Columb who con...
Elements Build SW Ltd is an established and experienced local extension builder in St Columb. Please contact us for a free, no obligation quote and...
From £34,575
Need an Extension Builder in St Columb? DAVEY CONSTRUCTION LTD has been helping local clients (20 mile radius) with their extension buildering jobs...
From £30,300
Relax... you have found a reliable extension builder in St Columb. KC DESIGN AND BUILD is a friendly and reliable company based in St Columb who co...
From £32,700
HANDLEY BUILDERS is an established and experienced local extension builder in St Columb. Please contact us for a free, no obligation quote and comp...

Comparing extension builders estimates for Loft conversion 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 the cost of a loft conversion in St Columb by posting your job to extension builders in St Columb.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Loft Conversion near Newquay | £32 | £230 |
| Loft Conversion near St Austell | £38 | £245 |
| Loft Conversion near Truro | £31 | £206 |
| Loft Conversion near Falmouth | £33 | £220 |
| Loft Conversion near Camborne | £28 | £196 |
| Loft Conversion near St Ives, Cornwall | £27 | £188 |
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 - £17,377

Two storey extension - £87,816

Build a timber frame extension - £25,877

Build a swimming pool - £80,877

Single storey extension - £52,547

Side return extension - £40,120

Install an RSJ - £2,077

Outbuilding - £9,877

Build a Mansard loft conversion - £51,877

Loft conversion - £32,600

Build a kitchen extension - £41,877

Hip to gable loft conversion - £41,877

Granny annexe - £86,877

Garden office - £9,877

Convert a Garage - £15,877

Garage - £18,377

Build a flat roof extension - £21,877

Build a dormer loft conversion - £41,877

Concrete foundations - £6,127

Convert a bungalow loft - £28,877

Convert a basement - £36,120