20 Canonbie Road, London, SE23 3AP Data via plota.co.uk
Proposal
Application for a Lawful Development Certificate (proposed) submitted under Section 192 of the Town & Country Planning Act 1990 (as amended) Classes B And C of Schedule 2, Part 1 of the Town and Country Planning (General Permitted Development) (England) Order 2015 (as amended) for the enlargement of the existing roof extension in the rear roof slope and all associated works in connection with the conversion of the roof space at 20 Canonbie Road SE23. Data via plota.co.uk
Application progress
Under consideration
No decision has been issued yet. A decision is expected by 28 Nov 2026.
Documents 3
Plans & drawings 2
Application forms 1
Site constraints 6
Checked on 16 October 2026. The pin for this application is the centre of its postcode rather than the building, so distances to nearby designations are measured from the postcode and can be out by the width of the postcode area. 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 £1,375,000 in January 2021. Semi-detached 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 December 2025, the latest held for this property, matched to this application by its address. The building may have changed since. View the certificate
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Important details
Public comments
No public comments yet.
Last counted 16 Oct 2026
Consultation & key dates
- Alt. reference
- PP-15255825
- Planning Portal ref
- PP-15255825
- Statutory expiry
- 28 Nov 2026
- Env. assessment
- No
Historical activity at this location
25 nearby applications on record - archival context, not part of the live application.
Nearby activity
Lewisham ranks #127 out of 296 councils for householder decision speed. Householder applications are slightly more likely to be approved here (90%) 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.
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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20 Canonbie Road, London, SE23 3AP
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