Flat 2, 18 Siddons Road, London, SE23 2JQ Data via plota.co.uk
Proposal
Construction of a rear roof dormer and loft extension, installation of two roof ligths on the fro... Data via plota.co.uk
Application progress
Approved on 24 Sept 2026 · Delegated · Last checked 26 Sept 2026
Documents 10
Decision & officer reports 2
Statements & assessments 3
Plans & drawings 4
Application forms 1
Site constraints 4
Checked on 6 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 2
Last sold for £122,000 in November 2003. Flat or maisonette, leasehold.
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 June 2022, 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
- Council
- Lewisham
- Application type
- Full Planning Permission
- Postcode
- SE23 2JQ
- Received
- 30 Jul 2026
- Validated
- 30 Jul 2026
- Ward
- Perry Vale
- Parish
- Does NOT need to go to BCAP
- Case officer
- Show
- Target decision
- 24 Sept 2026
- Decision
- Granted
- Decision date
- 24 Sept 2026
- Decision level
- Delegated
- Applicant
- Show
- Agent
- CANOPY PLANNING SERVICES LTD
How this decision compares
Decided in 56 days from validation, about the council's usual 56 days. Approved, as 86% of extensions here are.
Plota live figures for extensions decided by Lewisham in the last twelve months, from validation. Lewisham decision record →
Public comments
No public comments yet.
Last counted 26 Sept 2026
Consultation & key dates
- Alt. reference
- PP-15100311
- Planning Portal ref
- PP-15100311
- Neighbours
- 4 Aug 2026
- Consultation
- 4 Aug 2026
- Site or press notice
- 4 Aug 2026
- Statutory expiry
- 24 Sept 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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Flat 2, 18 Siddons Road, London, SE23 2JQ
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