Two-storey extensions in Camborne
Homeowners in Camborne can use us for the whole project or just the drawings and approvals. Start with a free visit.
Camborne at a glance
- Postcode districts
- TR14 and TR27
- Area
- Cornwall, England
- Price region
- South West England
- Nearest towns
- Redruth (3.5 miles), Helston (7.7 miles), Falmouth (10.8 miles), Truro (11.3 miles)
- Distance to Truro
- about 11.3 miles
- Approvals
- Two-storey rear: up to 3 m deep and 7 m from the rear boundary under permitted development. Side, wraparound and front: planning permission.
We cover postcode districts TR14 and TR27 in and around Camborne, along with neighbouring Redruth, Helston and Falmouth.
Extensions available in Camborne
Two-storey rear extensions
Guide from £57,500 in Camborne, including VAT.
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Two-storey side extensions
Camborne guide price from £88,500, Standard spec.
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Two-storey wraparound extensions
Our South West England guide starts at £124,000 for this type.
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Part single, part two-storey extensions
Camborne guide price from £74,000, Standard spec.
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Extensions over a garage
Camborne guide price from £32,500, Standard spec.
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First-floor extensions
Guide from £26,000 in Camborne, including VAT.
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Two-storey extensions for semi-detached houses
From £57,500 in Camborne. Free visit to firm it up.
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Two-storey extensions for detached houses
From £88,500 in Camborne. Free visit to firm it up.
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Kitchen extensions with bedrooms above
Our South West England guide starts at £57,500 (before kitchen units) for this type.
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Extra bedroom and en-suite extensions
From £57,500 (plus en-suite) in Camborne. Free visit to firm it up.
Learn moreWhich type suits your house?
Which type suits your house in Camborne depends mostly on where you have room. A deep garden points to a rear extension; space beside the house points to a side or over-garage extension; a house that already has a single-storey extension can often take a first floor on top.
Also available in Cornwall
- Two-storey front extensions
- Two-storey extensions for end-of-terrace houses
- Two-storey annexe extensions
- Garage conversions with a room above
- Two-storey extension plans and drawings
- Planning permission for two-storey extensions
- Structural engineering for two-storey extensions
- Building regulations for two-storey extensions
- Party wall notices for extensions
- Design and build two-storey extensions
Rules for Camborne
Camborne is in England. Two-storey rear: up to 3 m deep and 7 m from the rear boundary under permitted development. Side, wraparound and front: planning permission. Householder planning application: £548 (or £575 for applications made from 8 December 2026). Lawful development certificate: £274 (about £288 for applications from 8 December 2026). Councils should decide householder applications within 8 weeks of validation.
The full England rules explained
Questions about extensions in Camborne
Do you cover Camborne?
Yes. We cover Camborne (TR14 and TR27) and the surrounding area, including Redruth and Helston. The first site visit is free.
What does a two-storey extension cost in Camborne?
Using our South West England guide, a two-storey rear extension with a 4 m × 3.5 m footprint on two floors (28 m² of new floor space) is about £57,500–£78,000 including VAT. An extension over a garage is about £32,500–£47,500.
Which other places near Camborne do you cover?
Everywhere around it, including Redruth (3.5 miles), Helston (7.7 miles) and Falmouth (10.8 miles), and the rest of Cornwall.