135 Sternhold Avenue London SW2 4PF Data via plota.co.uk
Proposal
Erection of a rear dormer extension including the addition of three roof lights to the front and a second floor single storey rear extension including the formation of a terrace (flat 3). Data via plota.co.uk
Application progress
Approved on 11 Sept 2026 · Delegated Decision · Last checked 12 Sept 2026
Documents 17
Decision & officer reports 2
Statements & assessments 2
Plans & drawings 10
Application forms 2
Other documents 1
Site constraints 3
Checked on 6 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.
Sales history 6
Last sold for £557,500 in June 2021. 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 April 2014, 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
- Council
- Lambeth
- Application type
- Full Planning Permission
- Postcode
- SW2 4PF
- Received
- 17 Jul 2026
- Validated
- 17 Jul 2026
- Ward
- Streatham Hill West & Thornton
- Case officer
- Show
- Target decision
- 11 Sept 2026
- Decision
- Grant Permission
- Decision date
- 11 Sept 2026
- Decision level
- Delegated Decision
- Applicant
- Show
- Agent
- Justin White Architecture Ltd
- Freehold owner
- Show
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.
21 neighbours consulted · Last counted 12 Sept 2026
Consultation & key dates
- Comments by
- 2 Sept 2026
- Statutory expiry
- 11 Sept 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.
Freehold owner: Information produced by HM Land Registry. © Crown copyright 2026. Source: HM Land Registry, UK and overseas companies that own property in England and Wales, September 2026 release.
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135 Sternhold Avenue London SW2 4PF
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Freehold owner, on paid plans
The company that owns the freehold, from HM Land Registry's register of company-owned property, with its status, business and the companies that control it from Companies House, is shown to Plota subscribers. Plans start at £49 a month.
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