Two-storey extensions in Kenley
Need more room in Kenley? Two-storey and first-floor extensions add bedrooms and living space without moving. Here's everything we offer locally.
Kenley at a glance
- Postcode districts
- CR8
- Area
- Greater London, England
- Price region
- London
- Nearest towns
- Purley (0.9 miles), Sanderstead (1.2 miles), Coulsdon (1.8 miles), South Croydon (2.5 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 Kenley (CR8) and the places around it, including Purley (0.9 miles), Sanderstead (1.2 miles) and Coulsdon.
Extensions available in Kenley
Two-storey rear extensions
Our London guide starts at £67,000 for this type.
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Two-storey side extensions
Our London guide starts at £103,500 for this type.
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Two-storey wraparound extensions
Guide from £144,500 in Kenley, including VAT.
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Part single, part two-storey extensions
Guide from £86,500 in Kenley, including VAT.
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Extensions over a garage
Kenley guide price from £38,000, Standard spec.
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First-floor extensions
Our London guide starts at £30,000 for this type.
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Two-storey extensions for semi-detached houses
Our London guide starts at £67,000 for this type.
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Two-storey extensions for detached houses
For homes in Kenley: typical guide from £103,500.
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Kitchen extensions with bedrooms above
Design, approvals and build for Kenley homes. Guide from £67,000 (before kitchen units).
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Extra bedroom and en-suite extensions
Kenley guide price from £67,000 (plus en-suite), Standard spec.
Learn moreWhich type suits your house?
Rear, side, wraparound or over the garage: each adds space in a different way. For most houses in Greater London, one or two of these will clearly suit the plot better than the rest, and we'll tell you which.
Also available in Greater London
- 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 Kenley
Kenley 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 Kenley
Do you cover Kenley?
Yes. We cover Kenley (CR8) and the surrounding area, including Purley and Sanderstead. The first site visit is free.
What does a two-storey extension cost in Kenley?
Using our London 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 £67,000–£90,500 including VAT. An extension over a garage is about £38,000–£55,000.
Which other places near Kenley do you cover?
Everywhere around it, including Purley (0.9 miles), Sanderstead (1.2 miles) and Coulsdon (1.8 miles), and the rest of Greater London.