18 Horsmonden Road, London, SE4 1RG Data via plota.co.uk
Proposal
Construction of roof extension in the rear roof slope, installation of 2 roof lights in the front roof slope, together with a single-storey rear extension, porch and cycle storage and air source pump timber enclosure to the front and all associated works at 18 Horsmonden Road, SE4. Data via plota.co.uk
Application progress
Under consideration
No decision has been issued yet. Plota predicts a decision around 21 Dec 2026, from Lewisham's recent extensions.
Documents 12
Statements & assessments 1
Plans & drawings 7
Other documents 4
Site constraints 4
Checked on 27 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.
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Important details
Decision outlook
Day 2 of the 56-day target. Lewisham usually decides extensions by day 56.
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 27 Oct 2026
Consultation & key dates
- Alt. reference
- PP-15153878
- Planning Portal ref
- PP-15153878
- Statutory expiry
- 21 Dec 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%).
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18 Horsmonden Road, London, SE4 1RG
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