Planning Atlas
AtlasPostcodeSW1W9NX
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Planning AtlasWestminsterKnightsbridge & Belgravia wardSW1W 9NX
Postcode record · Westminster

SW1W 9NX.

SW1W 9NX has 36 known premises and 49 planning records — 37 approved of 38 decided (97.4%). 20 EPC records.

Postcode SW1W 9NX · boundary not held, centred on the postcodeApprovedRefusedOther50 on the map — every match
At a glance · this postcodeWestminster profile →
36
Premises
known addresses (UPRNs)
49
Applications
38 decided
97.4%
Approval rate
37 approved · 1 refused
61 days
Median decision time
average 83 days · 46 dated decisions
20
EPC records
ratings C 8 · D 10 · E 1 · F 1
50
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 9NX has 36 known premises and 49 planning records — 37 approved of 38 decided (97.4%). 20 EPC records.

Premises (18 of 36 shown)

Planning

What happened?

49 planning applications across the postcode; 37 approved of 38 decided (97.4%). Latest 30 shown.

Reference
Proposal · address
Type
Outcome
Date · distance
Detailed drawings of the windows to show relationship with reveals/ surrounding fabric (including the front bay), doors (including any carriage/garage doors) and rear extension and details of an updated tree method statement pursuant to Conditions 4 and 7 of planning permission dated 19th August 2025 (RN:25/03779/FULL)
98 Ebury Mews London SW1W 9NX · premises record
Approval of Details (Full PP)
Approved
2025-11-07
Erection of ground floor rear extension with glazed roof; replacement of first floor balcony, replacement of front and rear windows, roof terrace, changes to the front door; and other associated works.
98 Ebury Mews London SW1W 9NX · premises record
Full Planning Permission Application
Approved
2025-06-04
Roof terrace at main roof level, internal remodelling to include a second-floor front mansard roof extension, excavation of a single-storey basement and associated external alterations.
100 Ebury Mews London SW1W 9NX · premises record
Full Planning Permission Application
Approved
2025-05-02
1 x honey locust (rear): Reduce tree by approx 1.5m in all aspects.
8 Ebury Mews London SW1W 9NX · premises record
Officer Jamie Newman
Applic. for works to trees in CA
No objection
2025-01-15
Erection of new roof extension with raised rear wall and front dormers incorporating a sustainable ecological roof garden and glazed openable access structure. Alterations to front elevation including enlarging the existing windows and adding juliette balconies and planters, demolition of existing hipped roof.
3 Ebury Mews London SW1W 9NX · premises record
Full Planning Permission Application
Approved
2024-04-23
Formation of roof terrace with balustrading and planters on part of main roof level inlcuding installation of new rooflight for access, and installation of green roof to remaining roof area.
94 Ebury Mews London SW1W 9NX · premises record
Full Planning Permission Application
Approved
2024-02-15
Erection of ground floor front and rear extension, first floor rear closet extension, formation of roof terrace with balustrading and planters at main roof level, excavation of new basement and associated external alterations.
98 Ebury Mews London SW1W 9NX · premises record
Full Planning Permission Application
Approved
2023-09-22
Erection of ground floor front and rear extensions; first floor rear closet addition; formation of roof terrace with balustrading and planters, single storey basement addition and associated external alterations.
98 Ebury Mews London SW1W 9NX · premises record
Full Planning Permission Application
Withdrawn
2023-06-01
Excavation of a basement beneath the footprint of the original dwelling.
3 Ebury Mews London SW1W 9NX · premises record
Full Planning Permission Application
Approved
2022-04-06
Details of front door, porch and garage doors pursuant to condition 4 (i) and (ii) of planning permission dated 3 March 2022 (21/08278/FULL)
88 Ebury Mews London SW1W 9NX · premises record
Approval of Details (Full PP)
Approved
2022-03-16
Detailed drawings of the windows to show relationship with reveals/ surrounding fabric (including the front bay), doors (including any carriage/garage doors) and rear extension and details of an updated tree method statement pursuant to Conditions 4 and 7 of planning permission dated 19th August 2025 (RN:25/03779/FULL)
98 Ebury Mews London SW1W 9NX · premises record
Approved
2025-11-07
More
Approval of Details (Full PP)
Erection of ground floor rear extension with glazed roof; replacement of first floor balcony, replacement of front and rear windows, roof terrace, changes to the front door; and other associated works.
98 Ebury Mews London SW1W 9NX · premises record
Approved
2025-06-04
More
Full Planning Permission Application
Roof terrace at main roof level, internal remodelling to include a second-floor front mansard roof extension, excavation of a single-storey basement and associated external alterations.
100 Ebury Mews London SW1W 9NX · premises record
Approved
2025-05-02
More
Full Planning Permission Application
Show all 10 rows
1 x honey locust (rear): Reduce tree by approx 1.5m in all aspects.
8 Ebury Mews London SW1W 9NX · premises record
Officer Jamie Newman
No objection
2025-01-15
More
Applic. for works to trees in CA
Erection of new roof extension with raised rear wall and front dormers incorporating a sustainable ecological roof garden and glazed openable access structure. Alterations to front elevation including enlarging the existing windows and adding juliette balconies and planters, demolition of existing hipped roof.
3 Ebury Mews London SW1W 9NX · premises record
Approved
2024-04-23
More
Full Planning Permission Application
Formation of roof terrace with balustrading and planters on part of main roof level inlcuding installation of new rooflight for access, and installation of green roof to remaining roof area.
94 Ebury Mews London SW1W 9NX · premises record
Approved
2024-02-15
More
Full Planning Permission Application
Erection of ground floor front and rear extension, first floor rear closet extension, formation of roof terrace with balustrading and planters at main roof level, excavation of new basement and associated external alterations.
98 Ebury Mews London SW1W 9NX · premises record
Approved
2023-09-22
More
Full Planning Permission Application
Erection of ground floor front and rear extensions; first floor rear closet addition; formation of roof terrace with balustrading and planters, single storey basement addition and associated external alterations.
98 Ebury Mews London SW1W 9NX · premises record
Withdrawn
2023-06-01
More
Full Planning Permission Application
Excavation of a basement beneath the footprint of the original dwelling.
3 Ebury Mews London SW1W 9NX · premises record
Approved
2022-04-06
More
Full Planning Permission Application
Details of front door, porch and garage doors pursuant to condition 4 (i) and (ii) of planning permission dated 3 March 2022 (21/08278/FULL)
88 Ebury Mews London SW1W 9NX · premises record
Approved
2022-03-16
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 36 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 36 of 36 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 36 of 36 premises. Some normally permitted changes may require planning permission.
Conservation Area
Belgravia · reference CONARA/1350 · covers 36 of 36 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 36 of 36 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 36 of 36 premises. Some normally permitted changes may require planning permission.
Conservation Area
Belgravia · reference CONARA/1350 · covers 36 of 36 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
Case officer on 6 applications
Case officer on 3 applications
Case officer on 2 applications
Case officer on 2 applications
Case officer on 2 applications
Case officer on 2 applications
Case officer on 1 application
Case officer on 1 application
Case officer on 1 application
Case officer on 1 application
Case officer on 6 applications
Case officer on 3 applications
Case officer on 2 applications
Show all 10 rows
Case officer on 2 applications
Case officer on 2 applications
Case officer on 2 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 precedent49 applications and 50 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy20 EPC records; ratings C: 8, D: 10, E: 1, F: 1.
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.

11 intent signals recorded in this postcode
Struggling director · Charge registered · Price decline · EPC F/G · Repeat sale · Long hold · Ageing director
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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.
SW1W 9NX, Westminster: planning and property history | Planning Atlas