Postcode record · Westminster
SW1X 8JJ.
SW1X 8JJ has 16 known premises and 5 planning records — 3 approved of 4 decided (75%). 5 EPC records.
Postcode SW1X 8JJ · boundary not held, centred on the postcodeApprovedRefusedOther40 on the map — every match
At a glance · this postcodeWestminster profile →
16
Premises
known addresses (UPRNs)
5
Applications
4 decided
75%
Approval rate
3 approved · 1 refused
5
EPC records
ratings D 4 · E 1
40
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 8JJ has 16 known premises and 5 planning records — 3 approved of 4 decided (75%). 5 EPC records.
Premises
Name
Details
UPRN 10033565705
UPRN 10033565707
UPRN 100022816869
UPRN 100022816870
UPRN 100022816871
UPRN 100022816872
UPRN 100022816873
UPRN 100022816874
UPRN 100022816875
UPRN 100022816876
UPRN 10033565705
UPRN 10033565707
UPRN 100022816869
Show all 10 rows
UPRN 100022816870
UPRN 100022816871
UPRN 100022816872
UPRN 100022816873
UPRN 100022816874
UPRN 100022816875
UPRN 100022816876
Planning
What happened?
5 planning applications across the postcode; 3 approved of 4 decided (75%). Latest 5 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Internal alterations consisting of the installation of two passenger lifts connecting lower ground to first floor and first to second floor levels.
1 West Halkin Street London SW1X 8JJ · premises record
Listed Building Consent
Approved
2025-09-10
Internal alterations comprising installation of a passenger lift from the basement to the second floor and installation of a dumbwaiter between the basement kitchen and ground floor dining room.
1 West Halkin Street London SW1X 8JJ · premises record
Listed Building Consent Application
Refused
2024-07-08
Internal alterations to install under floor heating to the lower ground, ground, first and second floor.
1 West Halkin Street London SW1X 8JJ · premises record
Listed Building Consent Application
Approved
2023-11-15
Details of a photographic method statement relating to repairs of ceilings, cornices, skirtings and floorboards, drawings of new skirtings, new cornices, screening to internal air conditioning units, new service routes. Detailed drawings showing the following alteration to the scheme. Pursuant to Condition 4 and 7 of Listed Building consent dated 27 September 2023(RN: 23/03593/LBC)
1 West Halkin Street London SW1X 8JJ · premises record
Approval of Details (ADLBC)
Approved
2023-10-30
Internal alterations between lower ground and second floors and the installation of a new air conditioning system.
1 West Halkin Street London SW1X 8JJ · premises record
Listed Building Consent
Unknown
2023-05-30
Internal alterations consisting of the installation of two passenger lifts connecting lower ground to first floor and first to second floor levels.
1 West Halkin Street London SW1X 8JJ · premises record
Approved
2025-09-10
More
Listed Building Consent
Internal alterations comprising installation of a passenger lift from the basement to the second floor and installation of a dumbwaiter between the basement kitchen and ground floor dining room.
1 West Halkin Street London SW1X 8JJ · premises record
Refused
2024-07-08
More
Listed Building Consent Application
Internal alterations to install under floor heating to the lower ground, ground, first and second floor.
1 West Halkin Street London SW1X 8JJ · premises record
Approved
2023-11-15
More
Listed Building Consent Application
Show all 5 rows
Details of a photographic method statement relating to repairs of ceilings, cornices, skirtings and floorboards, drawings of new skirtings, new cornices, screening to internal air conditioning units, new service routes. Detailed drawings showing the following alteration to the scheme. Pursuant to Condition 4 and 7 of Listed Building consent dated 27 September 2023(RN: 23/03593/LBC)
1 West Halkin Street London SW1X 8JJ · premises record
Approved
2023-10-30
More
Approval of Details (ADLBC)
Internal alterations between lower ground and second floors and the installation of a new air conditioning system.
1 West Halkin Street London SW1X 8JJ · premises record
Unknown
2023-05-30
More
Listed Building Consent
Building control
Building-control applications and notices in this postcode, from the council register.
Name
Details
Full refurbishment, Internal alterations and associated works. · received 6 Sept 2024 · Grays Surveying Services Ltd
Proposed conversion into 7 luxury apartments including internal and structural alterations. · received 22 Mar 2024 · JM Partnership (Surveyors) Ltd
Full refurbishment, Internal alterations, and associated works. · received 1 Dec 2023 · PWC Building Control Services Ltd
Alterations and refurbishment to existing residential building to form 7 flats. · received 3 Feb 2022 · Quadrant Approved Inspectors
Full refurbishment, Internal alterations and associated works. · received 6 Sept 2024 · Grays Surveying Services Ltd
Proposed conversion into 7 luxury apartments including internal and structural alterations. · received 22 Mar 2024 · JM Partnership (Surveyors) Ltd
Full refurbishment, Internal alterations, and associated works. · received 1 Dec 2023 · PWC Building Control Services Ltd
Show all 4 rows
Alterations and refurbishment to existing residential building to form 7 flats. · received 3 Feb 2022 · Quadrant Approved Inspectors
Place
What affects it?
Designations are shown per premises today (open any premises above); the postcode-level designation summary is built with the borough entity run. Use the map's designations filter to see them over the postcode now.
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 5 applications in this postcode — the party who applied, not the owner or occupier.
Name
Details
Applicant on 3 applications
Agent on 3 applications
Case officer on 2 applications
Case officer on 1 application
Applicant on 3 applications
Agent on 3 applications
Case officer on 2 applications
Show all 4 rows
Case officer on 1 application
Development
What could it become?
Planning precedent5 applications and 40 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy5 EPC records; ratings 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 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.
No intent signal is currently recorded in this postcode.
Boundary: OS Postcode Unit areas (Ordnance Survey), 2026-08-14. Planning records: canonical stage2. EPC: EPC register. Premises: OS AddressBase / UPRN.