21A Whitehorse Lane South Norwood London SE25 6RD Data via plota.co.uk
Proposal
To alter the existing maisonette; to construct a single storey, rear extension and loft conversion, involving the construction of a dormer on the main rear roof slope. To install 2no. roof lights on the front roof slope. Data via plota.co.uk
Application progress
Approved on 18 Sept 2026 · Delegated Business Meeting · Last checked 24 Sept 2026
Documents 19
Decision & officer reports 2
Statements & assessments 3
Plans & drawings 12
Application forms 1
Consultation & comments 1
Site constraints 3
Checked on 24 September 2026. Historic England, the Environment Agency, Natural England and council datasets, Open Government Licence. A boundary can run through a site and the council holds the definitive record: confirm with the council before relying on this.
Sales history 1
Last sold for £300,000 in August 2023. Terraced house, freehold.
Sale prices from HM Land Registry's price paid record, matched to this application by its address.
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Other new applications on this street
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Erection of a single storey side/rear extension
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Important details
- Council
- Croydon
- Application type
- Full planning permission
- Postcode
- SE25 6RD
- Received
- 6 Jul 2026
- Validated
- 6 Jul 2026
- Ward
- Thornton Heath
- Case officer
- Show
- Target decision
- 31 Aug 2026
- Decision
- Permission Granted
- Decision date
- 18 Sept 2026
- Decision level
- Delegated Business Meeting
- Applicant
- Show
- Agent
- ARK Drafting Studio
How this decision compares
Decided in 74 days from validation, 21 days slower than Croydon's median of 53 for extensions. Approved, as 80% of extensions here are.
Plota live figures for extensions decided by Croydon in the last twelve months, from validation. Croydon decision record →
Public comments
16 neighbours consulted · Last counted 24 Sept 2026
Consultation & key dates
- Alt. reference
- PLP-00003487
- Neighbours
- 10 Aug 2026
- Consultation
- 10 Aug 2026
- Comments by
- 2 Sept 2026
- Site or press notice
- 11 Aug 2026
- Statutory expiry
- 31 Aug 2026
Historical activity at this location
18 nearby applications on record - archival context, not part of the live application.
Nearby activity
Croydon ranks #159 out of 296 councils for householder decision speed. Householder applications are slightly less likely to be approved here (87%) than the national average (90%).
Sale prices: Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.
Freehold boundary: © Crown copyright and database rights 2026, HM Land Registry. Polygons © Crown copyright and database rights 2026 Ordnance Survey 100026316. Conditions of use
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21A Whitehorse Lane South Norwood London SE25 6RD
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