Planning Atlas
AtlasPostcodeSW1W9ET
Planning Atlas›Westminster›…Knightsbridge & Belgravia ward›SW1W 9ET
Postcode record · Westminster

SW1W 9ET.

SW1W 9ET has 18 known premises and 48 planning records — 31 approved of 34 decided (91.2%). 12 EPC records.

Postcode SW1W 9ET · boundary not held, centred on the postcodeApprovedRefusedOther48 exact48 on the map — every match
At a glance · this postcodeWestminster profile →
18
Premises
known addresses (UPRNs)
48
Applications
34 decided
91.2%
Approval rate
31 approved · 3 refused
12
EPC records
ratings B 1 · C 4 · D 5 · E 2
48
Mapped applications
inside the postcode shape
Postcode unit boundary from Ordnance Survey; premises and applications inside it. Aggregates describe the area, not any single premises.
Property

What is it?

SW1W 9ET has 18 known premises and 48 planning records — 31 approved of 34 decided (91.2%). 12 EPC records.

Premises

Name
Details
UPRN 10033523666
UPRN 10033523667
UPRN 10033533840
UPRN 100022744958
UPRN 100022744959
UPRN 100022744960
UPRN 100022744961
UPRN 100022744962
UPRN 100022744963
UPRN 100022744964
UPRN 10033523666
UPRN 10033523667
UPRN 10033533840
Show all 10 rows
UPRN 100022744958
UPRN 100022744959
UPRN 100022744960
UPRN 100022744961
UPRN 100022744962
UPRN 100022744963
UPRN 100022744964
Planning

What happened?

48 planning applications across the postcode; 31 approved of 34 decided (91.2%). Latest 30 shown.

Reference
Proposal · address
Type
Outcome
Date · distance
Signed CoCP Appendix A checklist for Construction Phase pursuant to Condition 3(c) of planning permission dated 31 October 2024 (RN 24/00412/FULL)
1 - 4 Eaton Mews West London SW1W 9ET · premises record
Approval of Details (Full PP)
Approved
2026-02-18
Amendments to planning permission dated 31st October 2024 (RN:24/00412/FULL) for Redevelopment of 1-4 Eaton Mews West including demolition behind a part retained facade and replacement building comprising ground and first floor with a new part mansard roof level, to provide six residential (Class C3) units, and provision of office (Class E(g)(i)) accommodation. Creation of rear gardens at ground floor level, installation of plant, and other associated works. Namely, the introduction of a new masonry wall to support the existing boundary wall.
1 - 4 Eaton Mews West London SW1W 9ET · premises record
Officer Max Leonardo
Non-material amendments
Withdrawn
2025-08-22
T1 Palm tree: Fell to ground and treat stump.
58 Eaton Mews West London SW1W 9ET · premises record
Applic. for works to trees in CA
No objection
2025-08-12
Amendments to planning permission dated 31 October 2024 (RN 24/00412/FULL) for: 'Redevelopment of 1-4 Eaton Mews West including demolition behind a part retained facade and replacement building comprising ground and first floor with a new part mansard roof level, to provide six residential (Class C3) units, and provision of office (Class E(g)(i)) accommodation. Creation of rear gardens at ground floor level, installation of plant, and other associated works.' NAMELY, to allow the exclusion of a portion of the 'wing' adjoining 93 Elizabeth Street from the development and a reduction in office floorspace; increase in overall GIA due to the reduction in the thickness of the external walls; increased extent of demolition of the part-retained facade; reconfiguration of interiors; alterations to lift overrun; amendements to window and door openings; and, relocation of cycle parking.
1 - 4 Eaton Mews West London SW1W 9ET · premises record
Applicant Eaton Mews West Ltd · Agent DP9 · Officer Max Leonardo
Non-material amendments
Approved
2025-05-22
Details of a Circular Economy Statement, pursuant to Condition 9 of planning permission dated 31 October 2024 (RN: 24/00412/FULL).
1 - 4 Eaton Mews West London SW1W 9ET · premises record
Applicant Eaton Mews West Ltd · Agent DP9 · Officer Max Leonardo
Approval of Details (Full PP)
Approved
2025-05-21
Details of an updated version of the Whole Life Carbon Assessment prior to commencement of any construction works, pursuant to Condition 8 (part B) of planning permission dated 31 October 2024 (RN 24/00412/FULL), as amended by decision dated 17 September 2025 (RN 25/03490/NMA),
1 - 4 Eaton Mews West London SW1W 9ET · premises record
Applicant Eaton Mews West Ltd · Agent DP9 · Officer Max Leonardo
Approval of Details (Full PP)
Approved
2025-05-21
Details of design, depth, size, location and means of installation of foundations; arboricultural method statement and tree protection plan; auditable system of arboricultural site supervision pursuant to Conditions 5, 6 and 7 of planning permission dated 31 October 2024 (RN24/00412/FULL)
1 - 4 Eaton Mews West London SW1W 9ET · premises record
Approval of Details (Full PP)
Approved
2025-02-05
Details of Code of Construction Practice pursuant to Condition 3 (part A) of planning permission dated 31 November 2024 (RN:24/00412/FULL).
1 - 4 Eaton Mews West London SW1W 9ET · premises record
Approval of Details (Full PP)
Approved
2025-01-07
Details of Remediation strategy pursuant to Condition 4 (phase 3) of planning permission dated 31 October 2024 (RN:24/00412/FULL).
1 - 4 Eaton Mews West London SW1W 9ET · premises record
Approval of Details (Full PP)
Approved
2024-11-04
Details of method statement and tree protection plan; and arboricultural site supervision pursuant to conditions 6 and 7 of planning permission dated 31 October 2024 (RN: 24/00412/FULL).
1 - 4 Eaton Mews West London SW1W 9ET · premises record
Approval of Details (Full PP)
Refused
2024-11-04
Signed CoCP Appendix A checklist for Construction Phase pursuant to Condition 3(c) of planning permission dated 31 October 2024 (RN 24/00412/FULL)
1 - 4 Eaton Mews West London SW1W 9ET · premises record
Approved
2026-02-18
More
Approval of Details (Full PP)
Amendments to planning permission dated 31st October 2024 (RN:24/00412/FULL) for Redevelopment of 1-4 Eaton Mews West including demolition behind a part retained facade and replacement building comprising ground and first floor with a new part mansard roof level, to provide six residential (Class C3) units, and provision of office (Class E(g)(i)) accommodation. Creation of rear gardens at ground floor level, installation of plant, and other associated works. Namely, the introduction of a new masonry wall to support the existing boundary wall.
1 - 4 Eaton Mews West London SW1W 9ET · premises record
Officer Max Leonardo
Withdrawn
2025-08-22
More
Non-material amendments
T1 Palm tree: Fell to ground and treat stump.
58 Eaton Mews West London SW1W 9ET · premises record
No objection
2025-08-12
More
Applic. for works to trees in CA
Show all 10 rows
Amendments to planning permission dated 31 October 2024 (RN 24/00412/FULL) for: 'Redevelopment of 1-4 Eaton Mews West including demolition behind a part retained facade and replacement building comprising ground and first floor with a new part mansard roof level, to provide six residential (Class C3) units, and provision of office (Class E(g)(i)) accommodation. Creation of rear gardens at ground floor level, installation of plant, and other associated works.' NAMELY, to allow the exclusion of a portion of the 'wing' adjoining 93 Elizabeth Street from the development and a reduction in office floorspace; increase in overall GIA due to the reduction in the thickness of the external walls; increased extent of demolition of the part-retained facade; reconfiguration of interiors; alterations to lift overrun; amendements to window and door openings; and, relocation of cycle parking.
1 - 4 Eaton Mews West London SW1W 9ET · premises record
Applicant Eaton Mews West Ltd · Agent DP9 · Officer Max Leonardo
Approved
2025-05-22
More
Non-material amendments
Details of a Circular Economy Statement, pursuant to Condition 9 of planning permission dated 31 October 2024 (RN: 24/00412/FULL).
1 - 4 Eaton Mews West London SW1W 9ET · premises record
Applicant Eaton Mews West Ltd · Agent DP9 · Officer Max Leonardo
Approved
2025-05-21
More
Approval of Details (Full PP)
Details of an updated version of the Whole Life Carbon Assessment prior to commencement of any construction works, pursuant to Condition 8 (part B) of planning permission dated 31 October 2024 (RN 24/00412/FULL), as amended by decision dated 17 September 2025 (RN 25/03490/NMA),
1 - 4 Eaton Mews West London SW1W 9ET · premises record
Applicant Eaton Mews West Ltd · Agent DP9 · Officer Max Leonardo
Approved
2025-05-21
More
Approval of Details (Full PP)
Details of design, depth, size, location and means of installation of foundations; arboricultural method statement and tree protection plan; auditable system of arboricultural site supervision pursuant to Conditions 5, 6 and 7 of planning permission dated 31 October 2024 (RN24/00412/FULL)
1 - 4 Eaton Mews West London SW1W 9ET · premises record
Approved
2025-02-05
More
Approval of Details (Full PP)
Details of Code of Construction Practice pursuant to Condition 3 (part A) of planning permission dated 31 November 2024 (RN:24/00412/FULL).
1 - 4 Eaton Mews West London SW1W 9ET · premises record
Approved
2025-01-07
More
Approval of Details (Full PP)
Details of Remediation strategy pursuant to Condition 4 (phase 3) of planning permission dated 31 October 2024 (RN:24/00412/FULL).
1 - 4 Eaton Mews West London SW1W 9ET · premises record
Approved
2024-11-04
More
Approval of Details (Full PP)
Details of method statement and tree protection plan; and arboricultural site supervision pursuant to conditions 6 and 7 of planning permission dated 31 October 2024 (RN: 24/00412/FULL).
1 - 4 Eaton Mews West London SW1W 9ET · premises record
Refused
2024-11-04
More
Approval of Details (Full PP)

Building control

Building-control records are not yet collected for Westminster — the register is being gathered borough by borough (held so far: Lambeth, Brent, Ealing, Westminster, City and others).

Place

What affects it?

Every mapped designation touching a premises in this postcode, with how many of its 18 premises each one covers.

Designation
Coverage
Archaeological Priority Area
City of Westminster APA 3.2: Pimlico Summary and Definition: The APA covers the confluence of the Thames and Tyburn rivers. For much of its history this was a low lying marshy area that was sparsely populated until the 19th century when the la · reference 76643 · covers 18 of 18 premises. Groundworks may require archaeological assessment or investigation.
Article 4 Direction Area
Article 4 Basement Development Permitted Rights Removed · reference 23/00006/REG_4 · covers 18 of 18 premises. Some normally permitted changes may require planning permission.
Conservation Area
Belgravia · reference CONARA/1350 · covers 18 of 18 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
Archaeological Priority Area
City of Westminster APA 3.2: Pimlico Summary and Definition: The APA covers the confluence of the Thames and Tyburn rivers. For much of its history this was a low lying marshy area that was sparsely populated until the 19th century when the la · reference 76643 · covers 18 of 18 premises. Groundworks may require archaeological assessment or investigation.
Article 4 Direction Area
Article 4 Basement Development Permitted Rights Removed · reference 23/00006/REG_4 · covers 18 of 18 premises. Some normally permitted changes may require planning permission.
Conservation Area
Belgravia · reference CONARA/1350 · covers 18 of 18 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
People

Who is involved?

Named on the latest 30 applications in this postcode — the party who applied, not the owner or occupier.

Name
Details
Applicant on 4 applications
Agent on 4 applications
Case officer on 10 applications
Case officer on 6 applications
Case officer on 5 applications
Case officer on 3 applications
Case officer on 1 application
Case officer on 1 application
Case officer on 1 application
Case officer on 1 application
Applicant on 4 applications
Agent on 4 applications
Case officer on 10 applications
Show all 10 rows
Case officer on 6 applications
Case officer on 5 applications
Case officer on 3 applications
Case officer on 1 application
Case officer on 1 application
Case officer on 1 application
Case officer on 1 application
Development

What could it become?

Planning precedent48 applications and 48 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy12 EPC records; ratings B: 1, C: 4, D: 5, E: 2.
What is not assertedNo capacity, value or ownership claim is made at area level; those belong to individual premises records and their evidence.

Intent signals

Planning Atlas Pro

Ownership, finance and market signals recorded at addresses in this postcode — each with date and source. Signals are evidence of change, not a prediction.

3 intent signals recorded in this postcode
Repeat sale · Price decline · Long hold
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Boundary: OS Postcode Unit areas (Ordnance Survey), 2026-08-14. Planning records: canonical stage2. EPC: EPC register. Premises: OS AddressBase / UPRN.