First/second Floor Flat, 371 Portobello Road, London, W10 5SG Data via plota.co.uk
Proposal
Creation of terrace with timber privacy screens to second floor rear outrigger flat roof and replacement of sash window with timber framed access door. Data via plota.co.uk
Application progress
Approved on 21 Apr 2026 · Last checked 23 Oct 2026
Planning committee
Decided by Kensington and Chelsea Planning Applications Committee on 16 Apr 2026.
Approved
As officers recommended.
- Officers advised approval because the terrace would preserve the property’s appearance and neighbours’ living conditions, subject to conditions.
- Five letters objected, raising noise, light, privacy and character concerns.
- The committee voted to grant permission with the recommended conditions.
Source: Plota analysis of Kensington and Chelsea's committee minutes of 16 Apr 2026.
Site constraints 7
Checked on 6 October 2026. The pin for this application is the centre of its postcode rather than the building, so distances to nearby designations are measured from the postcode and can be out by the width of the postcode area. 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.
Building
From the energy performance certificate lodged in May 2021, the latest held for this property, matched to this application by its address. The building may have changed since. View the certificate
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Important details
- Council
- Kensington and Chelsea
- Application type
- Planning Permission
- Postcode
- W10 5SG
- Received
- 17 Sept 2025
- Validated
- 17 Sept 2025
- Ward
- Golborne
- Case officer
- Show
- Target decision
- 12 Nov 2025
- Decision
- Granted
- Decision date
- 21 Apr 2026
- Applicant
- Show
- Freehold owner
- Show
How this decision compares
Decided in 216 days from validation, 133 days slower than Kensington and Chelsea's median of 83 for extensions. Approved, as 95% of extensions here are.
Plota live figures for extensions decided by Kensington and Chelsea in the last twelve months, from validation. Kensington and Chelsea decision record →
Consultation & key dates
- Comments by
- 24 Oct 2025
Historical activity at this location
25 nearby applications on record - archival context, not part of the live application.
Nearby activity
Kensington and Chelsea ranks #174 out of 296 councils for householder decision speed. Householder applications are slightly more likely to be approved here (94%) than the national average (90%).
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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First/second Floor Flat, 371 Portobello Road, London, W10 5SG
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