28 Helmsdale Road London Lambeth SW16 5UR Data via plota.co.uk
Proposal
Application for prior approval for the erection of a single storey ground floor rear extension with dimensions of 6.0m (length), 3.6m (total maximum height) and 2.9m (height to the eaves) Data via plota.co.uk
Application progress
Refused on 15 Sept 2026 · Delegated Decision · Last checked 16 Sept 2026
Documents 8
Decision & officer reports 1
Statements & assessments 1
Plans & drawings 3
Application forms 1
Site constraints 5
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 2
Last sold for £570,000 in December 2019. Terraced 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 September 2015, 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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Alterations including erection of single-storey rear/side extension.
Important details
- Council
- Lambeth
- Application type
- Householders Extensions Prior Approval
- Postcode
- SW16 5UR
- Received
- 7 Aug 2026
- Validated
- 7 Aug 2026
- Ward
- Streatham Common & Vale
- Case officer
- Show
- Target decision
- 16 Sept 2026
- Decision
- Refused Extension GPD
- Decision date
- 15 Sept 2026
- Decision level
- Delegated Decision
- Applicant
- Show
- Agent
- NLA
How this decision compares
Decided in 39 days from validation, 17 days faster than Lambeth's median of 56 for extensions. Refused, as 18% of extensions here are.
Plota live figures for extensions decided by Lambeth in the last twelve months, from validation. Lambeth decision record →
Public comments
100% object · above the UK average of 74%
10 neighbours consulted · Last counted 16 Sept 2026
Consultation & key dates
- Comments by
- 15 Sept 2026
- Statutory expiry
- 16 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
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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28 Helmsdale Road London Lambeth SW16 5UR
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