Postcode record · Westminster
SW1X 7BY.
SW1X 7BY has 24 known premises and 107 planning records — 64 approved of 80 decided (80%). 9 EPC records.
Postcode SW1X 7BY · boundary not held, centred on the postcodeApprovedRefusedOther111 on the map — every match
At a glance · this postcodeWestminster profile →
24
Premises
known addresses (UPRNs)
107
Applications
80 decided
80%
Approval rate
64 approved · 16 refused
70 days
Median decision time
average 82 days · 101 dated decisions
9
EPC records
ratings C 1 · D 5 · E 3
111
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?
SW1X 7BY has 24 known premises and 107 planning records — 64 approved of 80 decided (80%). 9 EPC records.
Premises (18 of 24 shown)
Name
Details
UPRN 10033591322
UPRN 10033591326
UPRN 10033591328
UPRN 10033591329
UPRN 10033591330
UPRN 10033600252
UPRN 10033600855
UPRN 10033658061
UPRN 100022733052
UPRN 100022733053
UPRN 10033591322
UPRN 10033591326
UPRN 10033591328
Show all 10 rows
UPRN 10033591329
UPRN 10033591330
UPRN 10033600252
UPRN 10033600855
UPRN 10033658061
UPRN 100022733052
UPRN 100022733053
Planning
What happened?
107 planning applications across the postcode; 64 approved of 80 decided (80%). Latest 30 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Remedial and waterproofing works to railings and stone kerb upstand, entrance portico; balcony balustrade and stucco work to elevation and columns at lower ground; ground and first floor levels.
22 Chapel Street London SW1X 7BY · premises record
Listed Building Consent
Unknown
2026-04-08
Remedial and waterproofing works to railings & stone kerb upstand, entrance portico; balcony balustrade and stucco work to elevation and columns at lower ground; ground and first floor levels.
22 Chapel Street London SW1X 7BY · premises record
Officer Nikki Mitchell
Full Planning Permission Application
Approved
2026-04-08
Details of windows and doors pursuant to Condition 4a) of planning permission dated 24 July 2025 (RN: 25/01676/FULL).
17 Chapel Street London SW1X 7BY · premises record
Officer Nikki Mitchell
Approval of Details (Full PP)
Approved
2026-03-04
Details of external windows and doors and new staircase to fourth floor pursuant to Condition 3a) and 3c) of listed building consent dated 24 July 2025 (RN: 25/01677/LBC).
17 Chapel Street London SW1X 7BY · premises record
Officer Nikki Mitchell
Approval of Details (ADLBC)
Approved
2026-03-04
Details of tree protection method statement pursuant to Condition 6 of planning permission dated 24/07/2025 (RN: 25/01676/FULL)
17 Chapel Street London SW1X 7BY · premises record
Officer Nikki Mitchell
Approval of Details (Full PP)
Refused
2026-02-19
Detailed drawings of a) All new external windows and doors and b) The timber screen/trellis to the roof terrace on the rear extension and a tree protection method statement pursuant to Conditions 4 and 6 of planning permission dated 24 July 2025 (RN: 25/01676/FULL).
17 Chapel Street London SW1X 7BY · premises record
Officer Nikki Mitchell
Approval of Details (Full PP)
Refused
2025-10-21
Erection of an additional storey at main roof level and a rear extension at lower ground floor level with terrace over and associated internal alterations.
17 Chapel Street London SW1X 7BY · premises record
Officer Max Leonardo
Listed Building Consent Application
Approved
2025-03-12
Erection of an additional storey at main roof level and a rear extension at lower ground floor level with terrace over.
17 Chapel Street London SW1X 7BY · premises record
Officer Max Leonardo
Full Planning Permission Application
Approved
2025-03-12
Erection of a basement extension. Replacement of existing conservatory at rear lower ground floor level with a new single storey lower ground floor extension. Installation of new windows to the rear elevation and installation of sky lights to the main roof.
10 Chapel Street London SW1X 7BY · premises record
Officer Zulekha Hosenally
Full Planning Permission Application
Approved
2025-03-06
Erection of rear extensions at lower ground and ground floor level with terrace at rear ground floor level and infill extensions at rear first to third floor levels. Replacement of existing rooflight to main roof with new rooflight. Alterations to front elevation including refurbishment of existing dormer windows and slate roof, and first floor balcony and ground floor railings, and new door to front lightwell. Installation of mechanical plant within a new air condenser enclosure to the rear lower ground floor area (rear garden). Associated internal alterations including lowering of the floor level within front lower ground floor level vaults, and removal of existing ground floor slab within the lower ground floor level of the main house to accommodate new drainage below.
18 Chapel Street London SW1X 7BY · premises record
Officer Zulekha Hosenally
Listed Building Consent Application
Withdrawn
2025-02-10
Remedial and waterproofing works to railings and stone kerb upstand, entrance portico; balcony balustrade and stucco work to elevation and columns at lower ground; ground and first floor levels.
22 Chapel Street London SW1X 7BY · premises record
Unknown
2026-04-08
More
Listed Building Consent
Remedial and waterproofing works to railings & stone kerb upstand, entrance portico; balcony balustrade and stucco work to elevation and columns at lower ground; ground and first floor levels.
22 Chapel Street London SW1X 7BY · premises record
Officer Nikki Mitchell
Approved
2026-04-08
More
Full Planning Permission Application
Details of windows and doors pursuant to Condition 4a) of planning permission dated 24 July 2025 (RN: 25/01676/FULL).
17 Chapel Street London SW1X 7BY · premises record
Officer Nikki Mitchell
Approved
2026-03-04
More
Approval of Details (Full PP)
Show all 10 rows
Details of external windows and doors and new staircase to fourth floor pursuant to Condition 3a) and 3c) of listed building consent dated 24 July 2025 (RN: 25/01677/LBC).
17 Chapel Street London SW1X 7BY · premises record
Officer Nikki Mitchell
Approved
2026-03-04
More
Approval of Details (ADLBC)
Details of tree protection method statement pursuant to Condition 6 of planning permission dated 24/07/2025 (RN: 25/01676/FULL)
17 Chapel Street London SW1X 7BY · premises record
Officer Nikki Mitchell
Refused
2026-02-19
More
Approval of Details (Full PP)
Detailed drawings of a) All new external windows and doors and b) The timber screen/trellis to the roof terrace on the rear extension and a tree protection method statement pursuant to Conditions 4 and 6 of planning permission dated 24 July 2025 (RN: 25/01676/FULL).
17 Chapel Street London SW1X 7BY · premises record
Officer Nikki Mitchell
Refused
2025-10-21
More
Approval of Details (Full PP)
Erection of an additional storey at main roof level and a rear extension at lower ground floor level with terrace over and associated internal alterations.
17 Chapel Street London SW1X 7BY · premises record
Officer Max Leonardo
Approved
2025-03-12
More
Listed Building Consent Application
Erection of an additional storey at main roof level and a rear extension at lower ground floor level with terrace over.
17 Chapel Street London SW1X 7BY · premises record
Officer Max Leonardo
Approved
2025-03-12
More
Full Planning Permission Application
Erection of a basement extension. Replacement of existing conservatory at rear lower ground floor level with a new single storey lower ground floor extension. Installation of new windows to the rear elevation and installation of sky lights to the main roof.
10 Chapel Street London SW1X 7BY · premises record
Officer Zulekha Hosenally
Approved
2025-03-06
More
Full Planning Permission Application
Erection of rear extensions at lower ground and ground floor level with terrace at rear ground floor level and infill extensions at rear first to third floor levels. Replacement of existing rooflight to main roof with new rooflight. Alterations to front elevation including refurbishment of existing dormer windows and slate roof, and first floor balcony and ground floor railings, and new door to front lightwell. Installation of mechanical plant within a new air condenser enclosure to the rear lower ground floor area (rear garden). Associated internal alterations including lowering of the floor level within front lower ground floor level vaults, and removal of existing ground floor slab within the lower ground floor level of the main house to accommodate new drainage below.
18 Chapel Street London SW1X 7BY · premises record
Officer Zulekha Hosenally
Withdrawn
2025-02-10
More
Listed Building Consent Application
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 24 premises each one covers.
Designation
Coverage
Article 4 Direction Area
Article 4 Basement Development Permitted Rights Removed · reference 23/00006/REG_4 · covers 24 of 24 premises. Some normally permitted changes may require planning permission.
Conservation Area
Belgravia · reference CONARA/1350 · covers 24 of 24 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
Central Activities Zone
Named designation not supplied · reference CAZ00000005 · covers 1 of 24 premises. London Plan policies for the Central Activities Zone may apply.
Article 4 Direction Area
Article 4 Basement Development Permitted Rights Removed · reference 23/00006/REG_4 · covers 24 of 24 premises. Some normally permitted changes may require planning permission.
Conservation Area
Belgravia · reference CONARA/1350 · covers 24 of 24 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
Central Activities Zone
Named designation not supplied · reference CAZ00000005 · covers 1 of 24 premises. London Plan policies for the Central Activities Zone may apply.
Nearby postcodes and streets
Walk to the next area — linked where the Atlas has a record for it (pilot borough only for now).
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 9 applications
Case officer on 9 applications
Case officer on 5 applications
Case officer on 2 applications
Case officer on 1 application
Case officer on 1 application
Case officer on 1 application
Case officer on 9 applications
Case officer on 9 applications
Case officer on 5 applications
Show all 7 rows
Case officer on 2 applications
Case officer on 1 application
Case officer on 1 application
Case officer on 1 application
Development
What could it become?
Planning precedent107 applications and 111 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy9 EPC records; ratings C: 1, D: 5, E: 3.
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 ProOwnership, finance and market signals recorded at addresses in this postcode — each with date and source. Signals are evidence of change, not a prediction.
4 intent signals recorded in this postcode
Price decline · Application withdrawn · Appeal dismissed · Beatable refusal
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.