Two-storey extensions in Great Bookham
Everything for a two-storey extension in Great Bookham, in one place: types, guide prices for South East England, the approval rules in England and how to get started.
Great Bookham at a glance
- Postcode districts
- KT23 and KT24
- Area
- Surrey, England
- Price region
- South East England
- Nearest towns
- Leatherhead (2.1 miles), Dorking (3.7 miles), Ashtead (3.8 miles), Cobham (3.9 miles)
- Distance to Woking
- about 8.4 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.
Great Bookham sits about 8.4 miles from Woking. Closer to home, Leatherhead is 2.1 miles away and Dorking 3.7 miles.
Extensions available in Great Bookham

Two-storey rear extensions
Our South East England guide starts at £61,500 for this type.
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Two-storey side extensions
Guide from £94,500 in Great Bookham, including VAT.
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Two-storey wraparound extensions
Guide from £132,500 in Great Bookham, including VAT.
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Part single, part two-storey extensions
Great Bookham guide price from £79,000, Standard spec.
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Extensions over a garage
Guide from £34,500 in Great Bookham, including VAT.
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First-floor extensions
Design, approvals and build for Great Bookham homes. Guide from £27,500.
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Two-storey extensions for semi-detached houses
From £61,500 in Great Bookham. Free visit to firm it up.
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Two-storey extensions for detached houses
From £94,500 in Great Bookham. Free visit to firm it up.
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Kitchen extensions with bedrooms above
For homes in Great Bookham: typical guide from £61,500 (before kitchen units).
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Extra bedroom and en-suite extensions
Great Bookham guide price from £61,500 (plus en-suite), Standard spec.
Learn moreWhich type suits your house?
Start with what you need the space for. Bedrooms and an en-suite upstairs with a bigger kitchen below is the classic two-storey brief, but in Great Bookham we also design annexes, home offices and bedrooms over garages.
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 Great Bookham
Great Bookham 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 Great Bookham
Do you cover Great Bookham?
Yes. We cover Great Bookham (KT23 and KT24) and the surrounding area, including Leatherhead and Dorking. The first site visit is free.
What does a two-storey extension cost in Great Bookham?
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 Great Bookham do you cover?
Everywhere around it, including Leatherhead (2.1 miles), Dorking (3.7 miles) and Ashtead (3.8 miles), and the rest of Surrey.