Planning Atlas
AtlasPostcodeSW1W9HH
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Planning AtlasWestminsterKnightsbridge & Belgravia wardSW1W 9HH
Postcode record · Westminster

SW1W 9HH.

SW1W 9HH has 15 known premises and 161 planning records — 129 approved of 141 decided (91.5%). 11 EPC records.

Postcode SW1W 9HH · boundary not held, centred on the postcodeApprovedRefusedOther169 on the map — every match
At a glance · this postcodeWestminster profile →
15
Premises
known addresses (UPRNs)
161
Applications
141 decided
91.5%
Approval rate
129 approved · 12 refused
60 days
Median decision time
average 77 days · 149 dated decisions
11
EPC records
ratings C 2 · D 4 · E 4 · F 1
169
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 9HH has 15 known premises and 161 planning records — 129 approved of 141 decided (91.5%). 11 EPC records.

Premises

Planning

What happened?

161 planning applications across the postcode; 129 approved of 141 decided (91.5%). Latest 30 shown.

Reference
Proposal · address
Type
Outcome
Date · distance
Refurbishment of the principal and rear facades including repair and redecoration, replacement of the existing front steps, replacement of existing front door, application of render to the rear mansard wall at third and fourth floor levels, replacement of rear glazed roof with solid roof, replacement of modern terrace flooring and balustrade, alongside internal reconfiguration and decoration works, and associated structural alterations. (Linked to 26/01974/FULL)
8 Chester Square London SW1W 9HH · premises record
Listed Building Consent Application
Pending
2026-03-25
Refurbishment of the principal and rear facades including repair and redecoration, replacement of the existing front steps, replacement of existing front door, application of render to the rear mansard wall at third and fourth floor levels, replacement of rear glazed roof with solid roof, replacement of modern terrace flooring and balustrade, alongside internal reconfiguration and decoration works, and associated structural alterations. (Linked to 26/01975/LBC)
8 Chester Square London SW1W 9HH · premises record
Full Planning Permission Application
Pending
2026-03-25
Details of a supplementary acoustic report demonstrating that the plant will comply with the Council's noise criteria pursuant to condition 7 of the planning permission dated 15 February 2024 (RN: 23/08859/FULL).
4 Chester Square London SW1W 9HH · premises record
Approval of Details (Full PP)
Approved
2024-03-14
External alterations to bridge link and replacement of rear door to terrace at first floor level; alterations to flat roof at third floor level, including replacement of two air conditioning units with a single unit with enclosure and removal of rooflights; and replacement of rooflight to main roof with a smaller rooflight. (Retrospective)
4 Chester Square London SW1W 9HH · premises record
Full Planning Permission Application
Approved
2023-12-21
Internal alterations at lower ground floor level involving the removal of modern partitions and the replacement of a glazed wall with a solid wall.
4 Chester Square London SW1W 9HH · premises record
Listed Building Consent Application
Approved
2023-12-06
External alterations to bridge link and replacement of rear door to terrace at first floor level; alterations to flat roof at third floor level, including replacement of two air conditioning units with a single unit with enclosure and removal of rooflights; replacement of rooflight to main roof with a smaller rooflight; and internal alterations to layout, partitions and stairs. (Retrospective)
4 Chester Square London SW1W 9HH · premises record
Listed Building Consent Application
Approved
2023-11-07
Internal alterations including installation of picture rail and timber beading above dado level at upper ground floor and first floor.
4 Chester Square London SW1W 9HH · premises record
Listed Building Consent Application
Approved
2022-12-21
Details of interior elevations showing new panelling/dados/picture rails pursuant to Condition 7 of listed building permission dated 30th September 2021 (RN:21/03787/LBC).
4 Chester Square London SW1W 9HH · premises record
Approval of Details (ADLBC)
Approved
2022-12-06
Details of new panelling/dados/picture rails/; and basement staircase within front lightwell sections showing step profile, balustrade, and handrail pursuant to conditions 7 and 8 of listed building consent dated 30 September 2021 (21/03787/LBC).
4 Chester Square London SW1W 9HH · premises record
Approval of Details (ADLBC)
Refused
2022-10-24
Details of new basement staircase within front light-well sections showing step profile, balustrade, and handrail pursuant to Condition 4 of planning permission dated 30th September 2021 (RN:21/03786/FULL)
4 Chester Square London SW1W 9HH · premises record
Approval of Details (Full PP)
Approved
2022-08-16
Refurbishment of the principal and rear facades including repair and redecoration, replacement of the existing front steps, replacement of existing front door, application of render to the rear mansard wall at third and fourth floor levels, replacement of rear glazed roof with solid roof, replacement of modern terrace flooring and balustrade, alongside internal reconfiguration and decoration works, and associated structural alterations. (Linked to 26/01974/FULL)
8 Chester Square London SW1W 9HH · premises record
Pending
2026-03-25
More
Listed Building Consent Application
Refurbishment of the principal and rear facades including repair and redecoration, replacement of the existing front steps, replacement of existing front door, application of render to the rear mansard wall at third and fourth floor levels, replacement of rear glazed roof with solid roof, replacement of modern terrace flooring and balustrade, alongside internal reconfiguration and decoration works, and associated structural alterations. (Linked to 26/01975/LBC)
8 Chester Square London SW1W 9HH · premises record
Pending
2026-03-25
More
Full Planning Permission Application
Details of a supplementary acoustic report demonstrating that the plant will comply with the Council's noise criteria pursuant to condition 7 of the planning permission dated 15 February 2024 (RN: 23/08859/FULL).
4 Chester Square London SW1W 9HH · premises record
Approved
2024-03-14
More
Approval of Details (Full PP)
Show all 10 rows
External alterations to bridge link and replacement of rear door to terrace at first floor level; alterations to flat roof at third floor level, including replacement of two air conditioning units with a single unit with enclosure and removal of rooflights; and replacement of rooflight to main roof with a smaller rooflight. (Retrospective)
4 Chester Square London SW1W 9HH · premises record
Approved
2023-12-21
More
Full Planning Permission Application
Internal alterations at lower ground floor level involving the removal of modern partitions and the replacement of a glazed wall with a solid wall.
4 Chester Square London SW1W 9HH · premises record
Approved
2023-12-06
More
Listed Building Consent Application
External alterations to bridge link and replacement of rear door to terrace at first floor level; alterations to flat roof at third floor level, including replacement of two air conditioning units with a single unit with enclosure and removal of rooflights; replacement of rooflight to main roof with a smaller rooflight; and internal alterations to layout, partitions and stairs. (Retrospective)
4 Chester Square London SW1W 9HH · premises record
Approved
2023-11-07
More
Listed Building Consent Application
Internal alterations including installation of picture rail and timber beading above dado level at upper ground floor and first floor.
4 Chester Square London SW1W 9HH · premises record
Approved
2022-12-21
More
Listed Building Consent Application
Details of interior elevations showing new panelling/dados/picture rails pursuant to Condition 7 of listed building permission dated 30th September 2021 (RN:21/03787/LBC).
4 Chester Square London SW1W 9HH · premises record
Approved
2022-12-06
More
Approval of Details (ADLBC)
Details of new panelling/dados/picture rails/; and basement staircase within front lightwell sections showing step profile, balustrade, and handrail pursuant to conditions 7 and 8 of listed building consent dated 30 September 2021 (21/03787/LBC).
4 Chester Square London SW1W 9HH · premises record
Refused
2022-10-24
More
Approval of Details (ADLBC)
Details of new basement staircase within front light-well sections showing step profile, balustrade, and handrail pursuant to Condition 4 of planning permission dated 30th September 2021 (RN:21/03786/FULL)
4 Chester Square London SW1W 9HH · premises record
Approved
2022-08-16
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 15 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 15 of 15 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 15 of 15 premises. Some normally permitted changes may require planning permission.
Conservation Area
Belgravia · reference CONARA/1350 · covers 15 of 15 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 15 of 15 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 15 of 15 premises. Some normally permitted changes may require planning permission.
Conservation Area
Belgravia · reference CONARA/1350 · covers 15 of 15 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 17 applications
Case officer on 4 applications
Case officer on 3 applications
Case officer on 2 applications
Case officer on 2 applications
Case officer on 1 application
Case officer on 1 application
Case officer on 17 applications
Case officer on 4 applications
Case officer on 3 applications
Show all 7 rows
Case officer on 2 applications
Case officer on 2 applications
Case officer on 1 application
Case officer on 1 application
Development

What could it become?

Planning precedent161 applications and 169 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy11 EPC records; ratings C: 2, D: 4, E: 4, 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.

3 intent signals recorded in this postcode
Repeat sale · EPC F/G · Long hold
Subscribe to see the signals →
Boundary: OS Postcode Unit areas (Ordnance Survey), 2026-08-14. Planning records: canonical stage2. EPC: EPC register. Premises: OS AddressBase / UPRN.
SW1W 9HH, Westminster: planning and property history | Planning Atlas