Two-storey extensions in Redruth
Homeowners in Redruth can use us for the whole project or just the drawings and approvals. Start with a free visit.
Redruth at a glance
- Postcode districts
- TR5, TR15 and TR16
- Area
- Cornwall, England
- Price region
- South West England
- Nearest towns
- Camborne (3.5 miles), Truro (7.8 miles), Falmouth (8.7 miles), Helston (9.2 miles)
- Distance to Truro
- about 7.8 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.
Around Redruth we also work in Camborne, Truro and Falmouth, and across the rest of Cornwall. Postcode districts in and near Redruth: TR5, TR15 and TR16.
Extensions available in Redruth
Two-storey rear extensions
Guide from £57,500 in Redruth, including VAT.
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Two-storey side extensions
From £88,500 in Redruth. Free visit to firm it up.
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Two-storey wraparound extensions
For homes in Redruth: typical guide from £124,000.
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Part single, part two-storey extensions
Redruth guide price from £74,000, Standard spec.
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Extensions over a garage
Design, approvals and build for Redruth homes. Guide from £32,500.
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First-floor extensions
From £26,000 in Redruth. Free visit to firm it up.
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Two-storey extensions for semi-detached houses
Guide from £57,500 in Redruth, including VAT.
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Two-storey extensions for detached houses
Our South West England guide starts at £88,500 for this type.
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Kitchen extensions with bedrooms above
Redruth guide price from £57,500 (before kitchen units), Standard spec.
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Extra bedroom and en-suite extensions
From £57,500 (plus en-suite) in Redruth. Free visit to firm it up.
Learn moreWhich type suits your house?
The boundaries usually decide it. Two-storey work close to a neighbour needs careful design for light and privacy, so at the visit in Redruth we measure distances to every boundary before suggesting a type.
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 Redruth
Redruth 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 Redruth
Do you cover Redruth?
Yes. We cover Redruth (TR5, TR15 and TR16) and the surrounding area, including Camborne and Truro. The first site visit is free.
What does a two-storey extension cost in Redruth?
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 Redruth do you cover?
Everywhere around it, including Camborne (3.5 miles), Truro (7.8 miles) and Falmouth (8.7 miles), and the rest of Cornwall.