Planning Atlas
AtlasPostcodeSW1W9DP
Dev
Session
Tier
Planning AtlasWestminsterKnightsbridge & Belgravia wardSW1W 9DP
Postcode record · Westminster

SW1W 9DP.

SW1W 9DP has 2 known premises and 9 planning records — 5 approved of 5 decided (100%). 2 EPC records.

Postcode SW1W 9DP · boundary not held, centred on the postcodeApprovedRefusedOther9 on the map — every match
At a glance · this postcodeWestminster profile →
2
Premises
known addresses (UPRNs)
9
Applications
5 decided
100%
Approval rate
5 approved · 0 refused
48 days
Median decision time
average 55 days · 8 dated decisions
2
EPC records
ratings C 2
9
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 9DP has 2 known premises and 9 planning records — 5 approved of 5 decided (100%). 2 EPC records.

Premises

Planning

What happened?

9 planning applications across the postcode; 5 approved of 5 decided (100%). Latest 9 shown.

Reference
Proposal · address
Type
Outcome
Date · distance
Re-routing soil pipe within lower ground floor ceiling; creation of a new bulkhead to contain soil pipe and ventilation pipes internally; and new opening in the facade for soil pipe to exit the building.
81 Chester Square London SW1W 9DP · premises record
Certificate of Lawfulness (proposed)
Approved
2023-07-04
Replacement of the light coloured rendered wall above the entrance doors to the house with a front door fan light.
81 Chester Square London SW1W 9DP · premises record
Full Planning Permission Application
Approved
2022-01-26
Replacement of existing roof light with a larger one to main roof.
81 Chester Square London SW1W 9DP · premises record
Full Planning Permission Application
Approved
2022-01-26
Use of the roof as a terrace with access to the roof via glazed access hatch. Associated raising and reinforcing of the roof level, addition of a glass balustrade around the perimeter of the roof installed behind a raised perimeter of roof.
81 Chester Square London SW1W 9DP · premises record
Full Planning Permission Application
Withdrawn
2021-05-14
Alteration and enlargement of lantern roof lights in order to create an internal mezzanine level, alteration to lower ground floor window.
81A Chester Square London SW1W 9DP · premises record
Full Planning Permission Application
Approved
2013-07-24
Minor external alterations to roof level including installation of a rooflight and a satellite dish and replacement roof coverings in association with the use of the property as a single dwellinghouse.
81 Chester Square London SW1W 9DP · premises record
Unknown
2011-08-22
Replacement windows at front and side
81A Chester Square London SW1W 9DP · premises record
LBC applic on unlisted building
Not required
2000-10-16
EXTERNAL ALTS: FIXING STONE BALUSTERS TO EXTG PARAPET TO CONCEAL ROOFLIGHT BALUSTERS TO MATCH NO. 83A; ALTERATIONS TO EAST ELEVATION AT BASEMENT LEVEL; INTERNAL ALTERATIONS
81A Chester Square London SW1W 9DP · premises record
Officer Julie Greer
Full Planning Permission Application
Approved
1997-09-22
External alterations at roof level including installation of a rooflight and a satellite dish and replacement roof coverings in association with the use of the property as a single dwellinghouse.
81 Chester Square London SW1W 9DP · premises record
Full
Unknown
Re-routing soil pipe within lower ground floor ceiling; creation of a new bulkhead to contain soil pipe and ventilation pipes internally; and new opening in the facade for soil pipe to exit the building.
81 Chester Square London SW1W 9DP · premises record
Approved
2023-07-04
More
Certificate of Lawfulness (proposed)
Replacement of the light coloured rendered wall above the entrance doors to the house with a front door fan light.
81 Chester Square London SW1W 9DP · premises record
Approved
2022-01-26
More
Full Planning Permission Application
Replacement of existing roof light with a larger one to main roof.
81 Chester Square London SW1W 9DP · premises record
Approved
2022-01-26
More
Full Planning Permission Application
Show all 9 rows
Use of the roof as a terrace with access to the roof via glazed access hatch. Associated raising and reinforcing of the roof level, addition of a glass balustrade around the perimeter of the roof installed behind a raised perimeter of roof.
81 Chester Square London SW1W 9DP · premises record
Withdrawn
2021-05-14
More
Full Planning Permission Application
Alteration and enlargement of lantern roof lights in order to create an internal mezzanine level, alteration to lower ground floor window.
81A Chester Square London SW1W 9DP · premises record
Approved
2013-07-24
More
Full Planning Permission Application
Minor external alterations to roof level including installation of a rooflight and a satellite dish and replacement roof coverings in association with the use of the property as a single dwellinghouse.
81 Chester Square London SW1W 9DP · premises record
Unknown
2011-08-22
More
Replacement windows at front and side
81A Chester Square London SW1W 9DP · premises record
Not required
2000-10-16
More
LBC applic on unlisted building
EXTERNAL ALTS: FIXING STONE BALUSTERS TO EXTG PARAPET TO CONCEAL ROOFLIGHT BALUSTERS TO MATCH NO. 83A; ALTERATIONS TO EAST ELEVATION AT BASEMENT LEVEL; INTERNAL ALTERATIONS
81A Chester Square London SW1W 9DP · premises record
Officer Julie Greer
Approved
1997-09-22
More
Full Planning Permission Application
External alterations at roof level including installation of a rooflight and a satellite dish and replacement roof coverings in association with the use of the property as a single dwellinghouse.
81 Chester Square London SW1W 9DP · premises record
Unknown
More
Full

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 2 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 2 of 2 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 2 of 2 premises. Some normally permitted changes may require planning permission.
Conservation Area
Belgravia · reference CONARA/1350 · covers 2 of 2 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 2 of 2 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 2 of 2 premises. Some normally permitted changes may require planning permission.
Conservation Area
Belgravia · reference CONARA/1350 · covers 2 of 2 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
People

Who is involved?

Named on the latest 9 applications in this postcode — the party who applied, not the owner or occupier.

Name
Details
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 2 applications
Case officer on 1 application
Case officer on 1 application
Show all 5 rows
Case officer on 1 application
Case officer on 1 application
Development

What could it become?

Planning precedent9 applications and 9 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy2 EPC records; ratings C: 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.

1 intent signal recorded in this postcode
Lapsed consent
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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 9DP, Westminster: planning and property history | Planning Atlas