36 Lancaster Avenue London Lambeth SE27 9DZ Data via plota.co.uk
Proposal
Erection of a rear dormer extension including the installation of 2 front, 1 side and 1 rear roof lights, the replacement of ground floor front facade bay window sashes plus enlargement of the second floor side sash window, re-felting of the 2-storey projection and replacement of the concrete roof tiles with a slate roof covering to the main roof and the roof of the ground floor outrigger. Data via plota.co.uk
Application progress
Approved on 9 Jun 2026 · Delegated Decision · Last checked 9 Sept 2026
Documents 37
Decision & officer reports 2
Statements & assessments 1
Plans & drawings 32
Site constraints 3
Checked on 11 September 2026. Historic England, the Environment Agency, Natural England 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 £1,850,000 in December 2024. Semi-detached house, freehold.
Sale prices from HM Land Registry's price paid record, matched to this application by its address.
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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 82% of extensions here are.
Plota live figures for extensions decided by Lambeth in the last twelve months, from validation. Lambeth decision record →
Public comments
No public comments yet.
4 neighbours consulted · Last counted 9 Sept 2026
Consultation & key dates
- Comments by
- 30 May 2026
- Env. assessment
- No
Historical activity at this location
28 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
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36 Lancaster Avenue London Lambeth SE27 9DZ
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