3 Eccleston Street London SW1W 9LZ

26/02350/NMANon-material amendmentsRefused

Discharge / amendments

Refused on 12 May 2026

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.

Proposal

Amendments to planning permission dated 25 May 2025 (RN: 24/09005/FULL) for removal of existing lift overrun and redundant roof equipment, installation of a new roof enclosure to house lift and staircase access to roof, installation of a pergola in association with the creation of a new roof terrace at fourth floor level; NAMELY amendments to balustrade and ductwork.

Received: 10 April 2026
Council: City of Westminster
Ward: Knightsbridge & Belgravia

ReceivedReceived10 Apr
ValidatedValidated10 Apr
Consult.Consultation
TargetTarget Date8 May
DecidedDecided12 May

Decided in 32 days (council typically 49)

About this application

This is an application to amend a permission at 3 Eccleston Street London SW1W 9LZ. Westminster has handled 604 applications of this type. This one was decided in 32 days, 2 weeks quicker than Westminster's typical decision time. The site is in the Belgravia conservation area, with 4 listed buildings nearby. There have been 4 other applications at this address. In the past year there have been 383 applications across Knightsbridge & Belgravia. We hold 1,477 applications in total for the SW1W postcode area.

88% of amendment applications at City of Westminster were approved. Across all application types, the council typically decides in about 7 weeks (median).

Based on decided applications received in the last 3 years.Planning something similar? See what gets approved on your street

Application details

Postcode: SW1W 9LZ
Application type: Non-material amendments
Scale / size: Small

Planning application dates

Date validated: 10 April 2026
Target decision date: 8 May 2026

Applicant and agent

Agent: Newmark
Agent address: One Fitzroy 6 Mortimer Street London W1T 3JJ United Kingdom

Planning decision

Statutory period: 28 days

Additional information

Planning Portal ID: PP-14798523
Comments: 0
Documents: 17

Site constraints

Checking the site

2/3

Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

Conservation area: Belgravia
Listed building: Grade II: 117-133, Ebury Street Sw1On this site · +5 more
Article 4 direction: Article 4 Basement Development Permitted Rights Removed+1 more
Brownfield land register: Victoria Coach Station ArrivalsRegister site at or near this address · +1 more
Flood zone 1: Low probability (rivers and sea)

Also checked, none recorded (20)

flood storage areas, 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 and heritage coasts.

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 2026-11-03. The most publicly available up to date Historic England GIS Data can be obtained from HistoricEngland.org.uk.

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.

Associated applications

2026
10 Apr
Amendments to planning permission dated 25 May 2025 (RN: 24/09005/FULL
This applicationRefusedNon-material amendment26/02350/NMA
2026
10 Apr
Amendment to planning permission dated 21st May 2025 (RN 24/08110/FULL
ApprovedNon-material amendmentFiled alongside26/02351/NMA

Planning history at this site

8 other applications at this property, newest first.

Source: Westminster

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

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