Two-storey extensions in South Croydon
Homeowners in South Croydon can use us for the whole project or just the drawings and approvals. Start with a free visit.
South Croydon at a glance
- Postcode districts
- CR2
- Area
- Greater London, England
- Price region
- London
- Nearest towns
- Croydon (1.5 miles), Purley (1.9 miles), Sanderstead (1.9 miles), Shirley (Greater London) (2.2 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 district CR2 in and around South Croydon, along with neighbouring Croydon, Purley and Sanderstead.
Extensions available in South Croydon
Two-storey rear extensions
From £67,000 in South Croydon. Free visit to firm it up.
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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
For homes in South Croydon: typical guide from £144,500.
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Part single, part two-storey extensions
From £86,500 in South Croydon. Free visit to firm it up.
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Extensions over a garage
Design, approvals and build for South Croydon homes. Guide from £38,000.
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First-floor extensions
South Croydon guide price from £30,000, Standard spec.
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Two-storey extensions for semi-detached houses
From £67,000 in South Croydon. Free visit to firm it up.
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Two-storey extensions for detached houses
Our London guide starts at £103,500 for this type.
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Kitchen extensions with bedrooms above
Design, approvals and build for South Croydon homes. Guide from £67,000 (before kitchen units).
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Extra bedroom and en-suite extensions
Guide from £67,000 (plus en-suite) in South Croydon, including VAT.
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 South Croydon we also design annexes, home offices and bedrooms over garages.
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 South Croydon
South Croydon 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 South Croydon
Do you cover South Croydon?
Yes. We cover South Croydon (CR2) and the surrounding area, including Croydon and Purley. The first site visit is free.
What does a two-storey extension cost in South Croydon?
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 South Croydon do you cover?
Everywhere around it, including Croydon (1.5 miles), Purley (1.9 miles) and Sanderstead (1.9 miles), and the rest of Greater London.