Postcode record · Westminster
SW1X 8JL.
SW1X 8JL has 47 known premises and 65 planning records — 48 approved of 52 decided (92.3%). 7 EPC records.
Postcode SW1X 8JL · boundary not held, centred on the postcodeApprovedRefusedOther89 on the map — every match
At a glance · this postcodeWestminster profile →
47
Premises
known addresses (UPRNs)
65
Applications
52 decided
92.3%
Approval rate
48 approved · 4 refused
60 days
Median decision time
average 74 days · 61 dated decisions
7
EPC records
ratings C 2 · D 4 · E 1
89
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 8JL has 47 known premises and 65 planning records — 48 approved of 52 decided (92.3%). 7 EPC records.
Premises (18 of 47 shown)
Name
Details
UPRN 10033527485
UPRN 10033545585
UPRN 10033565704
UPRN 10033568231
UPRN 10033568305
UPRN 10033570226
UPRN 10033579604
UPRN 10033586113
UPRN 10033586240
UPRN 10033586241
UPRN 10033527485
UPRN 10033545585
UPRN 10033565704
Show all 10 rows
UPRN 10033568231
UPRN 10033568305
UPRN 10033570226
UPRN 10033579604
UPRN 10033586113
UPRN 10033586240
UPRN 10033586241
Planning
What happened?
65 planning applications across the postcode; 48 approved of 52 decided (92.3%). Latest 30 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Creation of terrace on flat roof and replacement of a window with a door to access the terrace.
Flat 4 16 West Halkin Street London SW1X 8JL · premises record
Officer Fraser Fikrie
Full Planning Permission Application
Withdrawn
2025-10-31
Regulation 5 Notice of Intention to Install Fixed Line Broadband Apparatus to a Listed Building.
11A West Halkin Street London SW1X 8JL · premises record
Officer South Planning Team
Telecoms Notification
No determination
2025-09-26
Provision of access and service platform to air conditioning units to rear.
9A West Halkin Street London SW1X 8JL · premises record
Officer Nosheen Javed
Listed Building Consent Application
Approved
2021-08-31
Variation of condition 1 of planning permission dated 19 February 2021 (RN: 20/08157/FULL) which itself varied condition 1 of planning permission dated 15 October 2020 (RN: 20/05100/FULL) for the: Installation of three air conditioning units to ground floor rear elevation within lightwell. NAMELY, to allow revised service platform for safe and convenient access to the approved air conditioning units.
9A West Halkin Street London SW1X 8JL · premises record
Officer Nosheen Javed
Full Planning Permission Application
Approved
2021-08-31
Variation of condition 1 of listed building consent dated 15 October 2020 (RN: 20/05101/LBC) for the: Installation of three air conditioning units to rear elevation serving the office with adaptations to the existing heating, ventilation, electrics and lighting; internal alterations at first, second and third floors including adaptations to and new kitchenette, WC and shower facilities; and installation of secondary glazing to all windows and balcony doors at first, second and third floor levels. NAMELY, to amend the approved drawing numbers to allow alterations to the electrical services layout. (Linked to 20/08157/FULL)
9A West Halkin Street London SW1X 8JL · premises record
Officer Nosheen Javed
Listed Building Consent Application
Approved
2020-12-21
Variation of condition 1 of panning permission dated 15 October 2020 (RN: 20/05100/FULL) for the: Installation of three air conditioning units to ground floor rear elevation within lightwell. NAMELY, to amend the approved drawing numbers to allow alterations to the electrical services layout.
9A West Halkin Street London SW1X 8JL · premises record
Full
Unknown
2020-12-21
Installation of three air conditioning units to rear elevation serving the office with adaptations to the existing heating, ventilation, electrics and lighting; internal alterations at first, second and third floors including adaptations to and new kitchenette, WC and shower facilities; and installation of secondary glazing to all windows and balcony doors at first, second and third floor levels.
9A West Halkin Street London SW1X 8JL · premises record
Officer Nosheen Javed
Listed Building Consent Application
Approved
2020-08-12
Installation of three air conditioning units to ground floor rear elevation within lightwell.
9A West Halkin Street London SW1X 8JL · premises record
Full
Unknown
2020-08-12
Installation of two air conditioning units to rear lightwell, installation of secondary glazing, internal alterations at first, second and third floors including adaptations to and new kitchenette, WC and shower facilities. (Linked to 20/02703/FULL)
9A West Halkin Street London SW1X 8JL · premises record
Officer Aurore Manceau
Listed Building Consent Application
Withdrawn
2020-04-24
Installation of three air conditioning units to rear lightwell. (Linked to 20/02704/LBC)
9A West Halkin Street London SW1X 8JL · premises record
Officer Aurore Manceau
Full Planning Permission Application
Withdrawn
2020-04-24
Creation of terrace on flat roof and replacement of a window with a door to access the terrace.
Flat 4 16 West Halkin Street London SW1X 8JL · premises record
Officer Fraser Fikrie
Withdrawn
2025-10-31
More
Full Planning Permission Application
Regulation 5 Notice of Intention to Install Fixed Line Broadband Apparatus to a Listed Building.
11A West Halkin Street London SW1X 8JL · premises record
Officer South Planning Team
No determination
2025-09-26
More
Telecoms Notification
Provision of access and service platform to air conditioning units to rear.
9A West Halkin Street London SW1X 8JL · premises record
Officer Nosheen Javed
Approved
2021-08-31
More
Listed Building Consent Application
Show all 10 rows
Variation of condition 1 of planning permission dated 19 February 2021 (RN: 20/08157/FULL) which itself varied condition 1 of planning permission dated 15 October 2020 (RN: 20/05100/FULL) for the: Installation of three air conditioning units to ground floor rear elevation within lightwell. NAMELY, to allow revised service platform for safe and convenient access to the approved air conditioning units.
9A West Halkin Street London SW1X 8JL · premises record
Officer Nosheen Javed
Approved
2021-08-31
More
Full Planning Permission Application
Variation of condition 1 of listed building consent dated 15 October 2020 (RN: 20/05101/LBC) for the: Installation of three air conditioning units to rear elevation serving the office with adaptations to the existing heating, ventilation, electrics and lighting; internal alterations at first, second and third floors including adaptations to and new kitchenette, WC and shower facilities; and installation of secondary glazing to all windows and balcony doors at first, second and third floor levels. NAMELY, to amend the approved drawing numbers to allow alterations to the electrical services layout. (Linked to 20/08157/FULL)
9A West Halkin Street London SW1X 8JL · premises record
Officer Nosheen Javed
Approved
2020-12-21
More
Listed Building Consent Application
Variation of condition 1 of panning permission dated 15 October 2020 (RN: 20/05100/FULL) for the: Installation of three air conditioning units to ground floor rear elevation within lightwell. NAMELY, to amend the approved drawing numbers to allow alterations to the electrical services layout.
9A West Halkin Street London SW1X 8JL · premises record
Unknown
2020-12-21
More
Full
Installation of three air conditioning units to rear elevation serving the office with adaptations to the existing heating, ventilation, electrics and lighting; internal alterations at first, second and third floors including adaptations to and new kitchenette, WC and shower facilities; and installation of secondary glazing to all windows and balcony doors at first, second and third floor levels.
9A West Halkin Street London SW1X 8JL · premises record
Officer Nosheen Javed
Approved
2020-08-12
More
Listed Building Consent Application
Installation of three air conditioning units to ground floor rear elevation within lightwell.
9A West Halkin Street London SW1X 8JL · premises record
Unknown
2020-08-12
More
Full
Installation of two air conditioning units to rear lightwell, installation of secondary glazing, internal alterations at first, second and third floors including adaptations to and new kitchenette, WC and shower facilities. (Linked to 20/02703/FULL)
9A West Halkin Street London SW1X 8JL · premises record
Officer Aurore Manceau
Withdrawn
2020-04-24
More
Listed Building Consent Application
Installation of three air conditioning units to rear lightwell. (Linked to 20/02704/LBC)
9A West Halkin Street London SW1X 8JL · premises record
Officer Aurore Manceau
Withdrawn
2020-04-24
More
Full Planning Permission 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 47 premises each one covers.
Designation
Coverage
Article 4 Direction Area
Article 4 Basement Development Permitted Rights Removed · reference 23/00006/REG_4 · covers 47 of 47 premises. Some normally permitted changes may require planning permission.
Conservation Area
Belgravia · reference CONARA/1350 · covers 47 of 47 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
Article 4 Direction Area
Article 4 Basement Development Permitted Rights Removed · reference 23/00006/REG_4 · covers 47 of 47 premises. Some normally permitted changes may require planning permission.
Conservation Area
Belgravia · reference CONARA/1350 · covers 47 of 47 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
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 6 applications
Case officer on 4 applications
Case officer on 4 applications
Case officer on 3 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 1 application
Case officer on 6 applications
Case officer on 4 applications
Case officer on 4 applications
Show all 10 rows
Case officer on 3 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 1 application
Development
What could it become?
Planning precedent65 applications and 89 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy7 EPC records; ratings C: 2, D: 4, E: 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 ProOwnership, finance and market signals recorded at addresses in this postcode — each with date and source. Signals are evidence of change, not a prediction.
5 intent signals recorded in this postcode
Application withdrawn · Long hold · Ageing director
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.