Two-storey extensions in Caterham
Need more room in Caterham? Two-storey and first-floor extensions add bedrooms and living space without moving. Here's everything we offer locally.
Caterham at a glance
- Postcode districts
- CR3 and CR6
- Area
- Surrey, England
- Price region
- South East England
- Nearest towns
- Kenley (3.2 miles), Oxted (3.6 miles), Sanderstead (3.7 miles), Coulsdon (3.7 miles)
- Distance to Woking
- about 20.9 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 Caterham we also work in Kenley, Oxted and Sanderstead, and across the rest of Surrey. Postcode districts in and near Caterham: CR3 and CR6.
Extensions available in Caterham
Two-storey rear extensions
For homes in Caterham: typical guide from £61,500.
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Two-storey side extensions
Guide from £94,500 in Caterham, including VAT.
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Two-storey wraparound extensions
Design, approvals and build for Caterham homes. Guide from £132,500.
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Part single, part two-storey extensions
Guide from £79,000 in Caterham, including VAT.
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Extensions over a garage
Design, approvals and build for Caterham homes. Guide from £34,500.
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First-floor extensions
Design, approvals and build for Caterham homes. Guide from £27,500.
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Two-storey extensions for semi-detached houses
Design, approvals and build for Caterham homes. Guide from £61,500.
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Two-storey extensions for detached houses
Design, approvals and build for Caterham homes. Guide from £94,500.
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Kitchen extensions with bedrooms above
Our South East England guide starts at £61,500 (before kitchen units) for this type.
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Extra bedroom and en-suite extensions
Caterham guide price from £61,500 (plus en-suite), Standard spec.
Learn moreWhich type suits your house?
Which type suits your house in Caterham 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 Surrey
- 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 Caterham
Caterham 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 Caterham
Do you cover Caterham?
Yes. We cover Caterham (CR3 and CR6) and the surrounding area, including Kenley and Oxted. The first site visit is free.
What does a two-storey extension cost in Caterham?
Using our South East 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 £61,500–£83,000 including VAT. An extension over a garage is about £34,500–£50,500.
Which other places near Caterham do you cover?
Everywhere around it, including Kenley (3.2 miles), Oxted (3.6 miles) and Sanderstead (3.7 miles), and the rest of Surrey.