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34 Eaton Mews South London SW1W 9HR

23/07643/NMANon-material amendmentsRefused
Discharge / amendments

Proposal

Amendments to planning permission dated 11th July 2022 (RN 22/03408/FULL) for the external alterations to the building, including creation of a new roof terrace with installation of a new air conditioning unit at roof level NAMELY handrail to roof terrace perimeter with CCTV camera; amendment to planters to roof terrace; installation of CCTV to front elevation; alterations to first floor window fenestration; reinstate original render finish to ground floor; boundary fence to terrace; and first floor decorative balcony alterations.

Received
3 November 2023
Decided
21 November 2023 · Application Refused
Decision level
Delegated (officer decision)
Ward
Knightsbridge & Belgravia
Approximate site (title boundary)
Boundary © HM Land Registry, © Ordnance Survey · details

This information is subject to Crown copyright and database rights 2026 and is reproduced with the permission of HM Land Registry. The polygons (including the associated geometry, namely x, y co-ordinates) are subject to Crown copyright and database rights 2026 Ordnance Survey AC0000851063. Conditions of use.

  1. Received3 Nov
  2. Validated3 Nov
  3. Consult.
  4. Target1 Dec
  5. Decided21 Nov

Decided in 18 days (council typically 49)

7 weeks typical decision time in Westminster87% of amendment applications approved

This is an application to amend a permission at 34 Eaton Mews South London SW1W 9HR. Westminster has handled 604 applications of this type and approves 82% of them, typically deciding them in 41 days. This one was decided in 18 days, 3 weeks quicker than Westminster's median. The site is in the Belgravia conservation area, with 4 listed buildings nearby. There are no previous applications recorded at this address. In the past year there have been 407 applications across Knightsbridge & Belgravia. We hold 1,432 applications in total for the SW1W postcode area.

Application Details

Reference
23/07643/NMA
Address
34 Eaton Mews South London SW1W 9HR
Postcode
SW1W 9HR
Local Authority
Westminster
Application Type
Non-material amendments
Scale / Size
Small
Decision Status
Rejected
Current Status
Decided
Ward
Knightsbridge & Belgravia

Applicant & Agent

Agent
Studio Webb Architects Ltd
Agent Address
Ednaston Park Painters Lane DE6 3FA

Planning Application Dates

Date Received
3 November 2023
Target Decision Date
1 December 2023
Date Decided
21 November 2023
Date Validated
3 November 2023
Date Submitted
3 November 2023

Planning Decision

Decision
Application Refused
Decided By
Delegated Decision
Statutory Period
28 days

Publicity

Appeal

Additional Information

Planning Portal ID
PP-12529173
Comments
0
Documents
9
Coordinates
51.495310, -0.150852
Enriching application data
2/3
Council recordsAppealsFlood risk

Source: Westminster

Contains public sector information from the Planning London Datahub, licensed under the Open Government Licence v3.0.

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Planning constraints

Designations that overlap or adjoin the site outline.

  • Conservation area: Belgravia
  • Article 4 direction: Article 4 Basement Development Permitted Rights Removed
  • Flood zone 1: Low probability (rivers and sea)
Also checked, none recorded (22)

flood storage areas, listed buildings, tree preservation orders, green belt, scheduled monuments, World Heritage Sites, World Heritage Site buffer zones, registered parks and gardens, registered battlefields, Heritage at Risk entries, nutrient neutrality catchments, national parks, National Landscapes, SSSIs, Special Areas of Conservation, Special Protection Areas, Ramsar sites, ancient woodland, national nature reserves, local nature reserves, heritage coasts and brownfield registers.

A guide only, from official open data; it is not a planning search. Flood zones cover rivers and sea, not surface water.

Data © Crown copyright and others · sources and licences

Contains public sector information from planning.data.gov.uk (MHCLG and local planning authorities), licensed under the Open Government Licence v3.0. © Crown copyright and database right 2026.

© Historic England 2026. Contains Ordnance Survey data © Crown copyright and database right 2026. The Historic England GIS Data contained in this material was obtained on 2026-10-09. The most publicly available up to date Historic England GIS Data can be obtained from HistoricEngland.org.uk.

© Natural England copyright. Contains Ordnance Survey data © Crown copyright and database right 2026.

© Environment Agency copyright and/or database right 2026. All rights reserved. Flood Map for Planning, Open Government Licence v3.0.

Contains Ordnance Survey data © Crown copyright and database right 2026.

Source: Office for National Statistics licensed under the Open Government Licence v.3.0. Contains OS data © Crown copyright and database right 2026.

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