Postcode record · Westminster
W1K 2SB.
W1K 2SB has 7 known premises and 22 planning records — 12 approved of 16 decided (75%). 2 EPC records.
Postcode W1K 2SB · boundary not held, centred on the postcodeApprovedRefusedOther22 exact13 approximate35 on the map — every match
At a glance · this postcodeWestminster profile →
7
Premises
known addresses (UPRNs)
22
Applications
16 decided
75%
Approval rate
12 approved · 4 refused
2
EPC records
ratings D 2
35
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?
W1K 2SB has 7 known premises and 22 planning records — 12 approved of 16 decided (75%). 2 EPC records.
Premises
Name
Details
UPRN 10033538777
UPRN 10033538778
UPRN 10033564877
UPRN 10033564878
UPRN 10033584275
UPRN 10033584279
UPRN 100023475800
UPRN 10033538777
UPRN 10033538778
UPRN 10033564877
Show all 7 rows
UPRN 10033564878
UPRN 10033584275
UPRN 10033584279
UPRN 100023475800
Planning
What happened?
22 planning applications across the postcode; 12 approved of 16 decided (75%). Latest 22 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Installation of two CCTV cameras to front porch and to lower ground floor lightwell.
48 Mount Street London W1K 2SB · premises record
Listed Building Consent Application
Approved
2025-12-18
Installation of lift serving basement to second floors, and associated internal alterations for accessibility. [Linked with 24/03754/FULL]
48 Mount Street London W1K 2SB · premises record
Listed Building Consent Application
Refused
2024-06-06
Installation of lift serving basement to second floors, and associated internal alterations for accessibility. [Linked with 24/03755/LBC]
48 Mount Street London W1K 2SB · premises record
Full Planning Permission Application
Refused
2024-06-06
Details of fan-coil-unit cabinets pursuant to condition 3 of listed building consent dated 17 March 2020 (RN: 19/09547/LBC).
48 Mount Street London W1K 2SB · premises record
Approval of Details (ADLBC)
Approved
2020-04-27
Installation of 2 external AC units at base of lightwell within an acoustic enclosure, Install a mist fire protection system including replacement of ceiling panels in the entrance hall, foyer and ground floor study.
48 Mount Street London W1K 2SB · premises record
Listed Building Consent Application
Approved
2019-12-06
Installation of 2 x external AC units at base of lightwell within an acoustic enclosure.
48 Mount Street London W1K 2SB · premises record
Full Planning Permission Application
Approved
2019-12-06
Internal alterations including removal and addition of partitions, strengthening works and damp-proofing; minor external repairs.
48 Mount Street London W1K 2SB · premises record
Listed Building Consent Application
Approved
2018-12-20
Detailed drawings at 1:5 or 1:10 of all new fireplaces; rooflights in context with the roof slope and rear lower ground floor window pursuant to Condition 4 of listed building consent dated 12 August 2014 (RN: 14/03313).
48 Mount Street London W1K 2SB · premises record
Approval of Details (ADLBC)
Approved
2014-12-04
Internal and external alterations (comprising blocking up an existing window at roof level, creation of a rear garden at lower ground floor level and creation of planting within the existing central lightwell, replacement of a modern window in the rear wing at lower ground floor level with a more traditional fenestration pattern in painted timber with glazing bars in order to complement that existing) in connection with the conversion of the existing building from office and two flats into a single family dwelling.
48 Mount Street London W1K 2SB · premises record
Listed Building Consent Application
Approved
2014-04-08
Use of building as single family dwellinghouse (Class C3), removal of rooflight at main roof level, installation of replacement window at rear lower ground floor level, and internal alterations.
48 Mount Street London W1K 2SB · premises record
Full Planning Permission Application
Approved
2014-04-08
Installation of two CCTV cameras to front porch and to lower ground floor lightwell.
48 Mount Street London W1K 2SB · premises record
Approved
2025-12-18
More
Listed Building Consent Application
Installation of lift serving basement to second floors, and associated internal alterations for accessibility. [Linked with 24/03754/FULL]
48 Mount Street London W1K 2SB · premises record
Refused
2024-06-06
More
Listed Building Consent Application
Installation of lift serving basement to second floors, and associated internal alterations for accessibility. [Linked with 24/03755/LBC]
48 Mount Street London W1K 2SB · premises record
Refused
2024-06-06
More
Full Planning Permission Application
Show all 10 rows
Details of fan-coil-unit cabinets pursuant to condition 3 of listed building consent dated 17 March 2020 (RN: 19/09547/LBC).
48 Mount Street London W1K 2SB · premises record
Approved
2020-04-27
More
Approval of Details (ADLBC)
Installation of 2 external AC units at base of lightwell within an acoustic enclosure, Install a mist fire protection system including replacement of ceiling panels in the entrance hall, foyer and ground floor study.
48 Mount Street London W1K 2SB · premises record
Approved
2019-12-06
More
Listed Building Consent Application
Installation of 2 x external AC units at base of lightwell within an acoustic enclosure.
48 Mount Street London W1K 2SB · premises record
Approved
2019-12-06
More
Full Planning Permission Application
Internal alterations including removal and addition of partitions, strengthening works and damp-proofing; minor external repairs.
48 Mount Street London W1K 2SB · premises record
Approved
2018-12-20
More
Listed Building Consent Application
Detailed drawings at 1:5 or 1:10 of all new fireplaces; rooflights in context with the roof slope and rear lower ground floor window pursuant to Condition 4 of listed building consent dated 12 August 2014 (RN: 14/03313).
48 Mount Street London W1K 2SB · premises record
Approved
2014-12-04
More
Approval of Details (ADLBC)
Internal and external alterations (comprising blocking up an existing window at roof level, creation of a rear garden at lower ground floor level and creation of planting within the existing central lightwell, replacement of a modern window in the rear wing at lower ground floor level with a more traditional fenestration pattern in painted timber with glazing bars in order to complement that existing) in connection with the conversion of the existing building from office and two flats into a single family dwelling.
48 Mount Street London W1K 2SB · premises record
Approved
2014-04-08
More
Listed Building Consent Application
Use of building as single family dwellinghouse (Class C3), removal of rooflight at main roof level, installation of replacement window at rear lower ground floor level, and internal alterations.
48 Mount Street London W1K 2SB · premises record
Approved
2014-04-08
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 7 premises each one covers.
Designation
Coverage
Archaeological Priority Area
City of Westminster APA 2.5: Great Estates Summary and Definition The Great Estates APA covers an area bounded by Park Lane to the west, Green Park and St James’s Park to the south, Haymarket, Shaftesbury Avenue, Charing Cross Road and t · reference 76098 · covers 7 of 7 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 7 of 7 premises. Some normally permitted changes may require planning permission.
Central Activities Zone
Named designation not supplied · reference CAZ00000005 · covers 7 of 7 premises. London Plan policies for the Central Activities Zone may apply.
Conservation Area
Mayfair · reference CONARA/1270 · covers 7 of 7 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
Archaeological Priority Area
City of Westminster APA 2.5: Great Estates Summary and Definition The Great Estates APA covers an area bounded by Park Lane to the west, Green Park and St James’s Park to the south, Haymarket, Shaftesbury Avenue, Charing Cross Road and t · reference 76098 · covers 7 of 7 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 7 of 7 premises. Some normally permitted changes may require planning permission.
Central Activities Zone
Named designation not supplied · reference CAZ00000005 · covers 7 of 7 premises. London Plan policies for the Central Activities Zone may apply.
Show all 4 rows
Conservation Area
Mayfair · reference CONARA/1270 · covers 7 of 7 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 22 applications in this postcode — the party who applied, not the owner or occupier.
Name
Details
Applicant on 6 applications
Applicant on 2 applications
Applicant on 2 applications
Applicant on 2 applications
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Agent on 3 applications
Agent on 3 applications
Agent on 2 applications
Applicant on 6 applications
Applicant on 2 applications
Applicant on 2 applications
Show all 10 rows
Applicant on 2 applications
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Agent on 3 applications
Agent on 3 applications
Agent on 2 applications
Development
What could it become?
Planning precedent22 applications and 35 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy2 EPC records; ratings D: 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
The Developer PlanOwnership, finance and market signals recorded at addresses in this postcode — each with date and source. Signals are evidence of change, not a prediction.
2 intent signals recorded in this postcode
Beatable refusal · Ageing director
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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.