26 Rockhampton Road London SE27 0NF Data via plota.co.uk
Proposal
Application for Certificate of Lawfulness (Proposed) with respect to the erection of a hip-to-gable roof extension with rear dormer and installation of 2 rooflights to the front roof slope. Demolition of ground floor front porch. Replacement of ground floor side window with door and replacement of all windows. Data via plota.co.uk
Application progress
Approved on 2 Feb 2026 · Delegated Decision · Last checked 3 Oct 2026
Documents 17
Decision & officer reports 1
Plans & drawings 4
Application forms 2
Other documents 10
Site constraints 5
Checked on 2 November 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 1
Last sold for £640,000 in August 2025. 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 January 2025, the latest held for this property. The building may have changed since. View the certificate
Every application in Lambeth - and every UK council - as a live feed, an API, or a bulk CSV export.
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Important details
How this decision compares
Decided in 56 days from validation, about the council's usual 56 days. Approved, as 85% of lawful development certificates here are.
Plota live figures for lawful development certificates decided by Lambeth in the last twelve months, from validation. Lambeth decision record →
Public comments
No public comments yet.
Last counted 3 Oct 2026
Consultation & key dates
- Statutory expiry
- 2 Feb 2026
- Env. assessment
- No
Historical activity at this location
27 previous applications on record - archival context, not part of the live application.
Previous applications at this address
Nearby activity
Lambeth ranks #164 out of 296 councils for householder decision speed. 47% of applications have the time limit extended, above the 41% national average. Lambeth is also one of the strictest councils - it refuses more householder applications than almost any other, with only 81% approved vs 90% nationally.
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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26 Rockhampton Road London SE27 0NF
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