11 Calton Avenue London Southwark SE21 7DE Data via plota.co.uk
Proposal
Erection of a single-storey side extension following demolition of the existing side extension. Data via plota.co.uk
Application progress
Approved on 4 Sept 2026 · Delegated Panel - Simple · Last checked 9 Sept 2026
Documents 9
Statements & assessments 1
Plans & drawings 1
Application forms 2
Consultation & comments 1
Site constraints 5
Checked on 6 October 2026. Historic England, the Environment Agency, Natural England, Transport for London (public transport access levels, Powered by TfL Open Data, OGL v3.0, contains OS data © Crown copyright and database right 2025) 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 4
Last sold for £1,025,000 in November 2019. Terraced house, freehold.
Sale prices from HM Land Registry's price paid record, matched to this application by its address.
Building
From the energy performance certificate lodged in October 2011, the latest held for this property. The building may have changed since. View the certificate
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Important details
- Council
- Southwark
- Application type
- Householder Application
- Postcode
- SE21 7DE
- Received
- 28 Jul 2026
- Validated
- 30 Jul 2026
- Ward
- Dulwich Village
- Parish
- Dulwich
- Case officer
- Show
- Target decision
- 23 Sept 2026
- Decision
- Householder - GRANTED
- Decision date
- 4 Sept 2026
- Decision level
- Delegated Panel - Simple
- Applicant
- Show
- Agent
- Plus Rooms
How this decision compares
Decided in 36 days from validation, 17 days faster than Southwark's median of 53 for demolitions. Approved, as 93% of demolitions here are.
Plota live figures for demolitions decided by Southwark in the last twelve months, from validation. Southwark decision record →
Public comments
No public comments yet.
3 neighbours consulted · Last counted 9 Sept 2026
Consultation & key dates
- Statutory expiry
- 23 Sept 2026
- Env. assessment
- No
Historical activity at this location
26 previous applications on record - archival context, not part of the live application.
Previous applications at this address
Nearby activity
Southwark is faster than most councils at deciding householder applications, ranking #54 out of 296. Householder applications are slightly more likely to be approved here (95%) 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
Energy performance: Energy performance certificates from the Energy Performance of Buildings Register, Ministry of Housing, Communities and Local Government. Contains public sector information licensed under the Open Government Licence v3.0. © Crown copyright 2026.
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11 Calton Avenue London Southwark SE21 7DE
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