12A Eccleston Street London SW1W 9LT Data via plota.co.uk
Proposal
Installation of two wall mounted condenser units between rear lower ground and ground floor levels. Data via plota.co.uk
Application progress
Approved on 27 Feb 2026 · Complex Delegated Decision · Last checked 15 Oct 2026
Documents 12
Decision & officer reports 2
Statements & assessments 1
Plans & drawings 1
Consultation & comments 1
Other documents 7
Site constraints 10
Show all 12 with distances
- 33 m92-98, BUCKINGHAM PALACE ROAD SW1 (See details for further address information)Grade II
- 59 m24-32, Eccleston Street Sw1Grade II
- 65 m91-109, Ebury Street Sw1Grade II
- 66 m25-33, Eccleston Street Sw1Grade II
- 77 m58-70, Ebury Street Sw1Grade II
- 80 m126-158, Buckingham Palace RoadGrade II
- 95 m65-76, Chester Square Sw1Grade II
- 105 m46-63 Chester Square Including No. 39 Eccleston StreetGrade II
- 122 m78-94, Ebury Street Sw1Grade II
- 128 m22, 22a, 22b and 22d, Ebury Street W1Grade II
- 144 mNos 77 to 80 (consec), 80a and Mews Arch, Chester SquareGrade II
- 144 m117-133, Ebury Street Sw1Grade II
Checked on 2 November 2026. Historic England, the Environment Agency, Natural England, the Planning Inspectorate, 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 October 2020, the latest held for this property. The building may have changed since. View the certificate
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Important details
- Council
- Westminster
- Application type
- Full Planning Permission Application
- Postcode
- SW1W 9LT
- Received
- 14 Oct 2025
- Validated
- 16 Oct 2025
- Ward
- Knightsbridge & Belgravia
- Case officer
- Show
- Target decision
- 2 Mar 2026
- Decision
- Application Permitted
- Decision date
- 27 Feb 2026
- Decision level
- Complex Delegated Decision
- Applicant
- Show
- Agent
- Murray Birrell Ltd
- Leaseholder
- Show
How this decision compares
Decided in 134 days from validation, 58 days slower than Westminster's median of 76 for full applications. Approved, as 86% of full applications here are.
Plota live figures for full applications decided by Westminster in the last twelve months, from validation. Westminster decision record →
Public comments
32 neighbours consulted · Last counted 15 Oct 2026
Consultation & key dates
- Alt. reference
- PP-14175408
- Planning Portal ref
- PP-14175408
- Comments by
- 19 Nov 2025
- Site or press notice
- 29 Oct 2025
- Env. assessment
- No
Historical activity at this location
25 nearby applications on record - archival context, not part of the live application.
Nearby activity
Westminster is slower than most councils at deciding householder applications, ranking #258 out of 296. Only 28% of applications have the time limit extended, well below the 41% national average - the council usually decides on time. Westminster is also one of the strictest councils - it refuses more householder applications than almost any other, with only 81% approved vs 90% nationally.
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.
Leaseholders: 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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12A Eccleston Street London SW1W 9LT
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Leaseholders, on paid plans
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