Postcode record · Westminster
W1K 2SA.
W1K 2SA has 13 known premises and 23 planning records — 19 approved of 20 decided (95%). 6 EPC records.
Postcode W1K 2SA · boundary not held, centred on the postcodeApprovedRefusedOther47 on the map — every match
At a glance · this postcodeWestminster profile →
13
Premises
known addresses (UPRNs)
23
Applications
20 decided
95%
Approval rate
19 approved · 1 refused
6
EPC records
ratings C 1 · D 3 · E 2
47
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 2SA has 13 known premises and 23 planning records — 19 approved of 20 decided (95%). 6 EPC records.
Premises
Name
Details
UPRN 10033526034
UPRN 10033526035
UPRN 10033526036
UPRN 10033538751
UPRN 10033538773
UPRN 10033538775
UPRN 10033538776
UPRN 10033587790
UPRN 10033587792
UPRN 10033587794
UPRN 10033526034
UPRN 10033526035
UPRN 10033526036
Show all 10 rows
UPRN 10033538751
UPRN 10033538773
UPRN 10033538775
UPRN 10033538776
UPRN 10033587790
UPRN 10033587792
UPRN 10033587794
Planning
What happened?
23 planning applications across the postcode; 19 approved of 20 decided (95%). Latest 23 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Internal alterations including the creation of an internal opening at ground floor level and provision of glazed double doors; removal of an existing doorway; removal of suspended ceiling; restoration of original cornices and associated works.
46 Mount Street London W1K 2SA · premises record
Officer Alistair Taylor
Listed Building Consent Application
Pending
2026-05-14
Restoration of entrance on Mount Street. Installation of new window above fire exit door in the front lightwell. Replacement of external condenser unit in the rear garden including new acoustic enclosure, replacement of one unit under the external staircase on the front elevation, addition of new louvered panel. Minor internal alterations.
46 Mount Street London W1K 2SA · premises record
Officer Owen Broadway
Listed Building Consent Application
Approved
2016-07-21
Restoration of entrance on Mount Street. Installation of new window above fire exit door in the front lightwell. Replacement of external condenser unit in the rear garden including new acoustic enclosure, replacement of one unit under the external staircase on the front elevation, addition of new louvered panel.
46 Mount Street London W1K 2SA · premises record
Officer Owen Broadway
Full Planning Permission Application
Approved
2016-07-21
Amendments to planning permission dated 16 July 2015 (RN: 15/04766/FULL) for reinstatement of entrance and steps on front elevation and internal alterations at ground and lower ground floor levels namely, the relocation on one external condenser unit in the rear garden space with new acoustic enclosure, the replacement of one unit under the external staircase on the front elevation and new acoustic louvered panel, alterations to the door opening in the front lightwell and replacement of a window.
46 Mount Street London W1K 2SA · premises record
Officer Ken Powell
Non-material amendments
Refused
2016-06-29
Approval of details pursuant to Condition 3 of listed building consent dated 16 July 2015 (RN: 15/04767/LBC), namely the submission of; photographs of the uncovered steps and details of any necessary repairs or rebuilding and a sample of stone to be used in the rebuilding or repair of the steps
Ground Floor 45 - 47 Mount Street London W1K 2SA · premises record
Officer Ken Powell
Approval of Details (ADLBC)
Approved
2016-06-14
Reinstatement of entrance and steps on front elevation and internal alterations at ground and lower ground floor levels.
46 Mount Street London W1K 2SA · premises record
Officer Owen Broadway
Listed Building Consent Application
Approved
2015-05-28
Reinstatement of entrance and steps on front elevation and internal alterations at ground and lower ground floor levels.
46 Mount Street London W1K 2SA · premises record
Officer Owen Broadway
Full Planning Permission Application
Approved
2015-05-28
Installation of fanlight to lower ground floor window.
45 Mount Street London W1K 2SA · premises record
Officer Ken Powell
Full Planning Permission Application
Approved
2013-10-28
Installation of ventilation fan and extension to external drainage locate to the lower ground lightwell.
45 Mount Street London W1K 2SA · premises record
Officer Central Planning Team
Listed Building Consent Application
Approved
2013-10-28
Minor internal works to common parts including installation of a stone floors to ground floor lobby.
46 Mount Street London W1K 2SA · premises record
Officer Ken Powell
Listed Building Consent Application
Approved
2012-02-13
Internal alterations including the creation of an internal opening at ground floor level and provision of glazed double doors; removal of an existing doorway; removal of suspended ceiling; restoration of original cornices and associated works.
46 Mount Street London W1K 2SA · premises record
Officer Alistair Taylor
Pending
2026-05-14
More
Listed Building Consent Application
Restoration of entrance on Mount Street. Installation of new window above fire exit door in the front lightwell. Replacement of external condenser unit in the rear garden including new acoustic enclosure, replacement of one unit under the external staircase on the front elevation, addition of new louvered panel. Minor internal alterations.
46 Mount Street London W1K 2SA · premises record
Officer Owen Broadway
Approved
2016-07-21
More
Listed Building Consent Application
Restoration of entrance on Mount Street. Installation of new window above fire exit door in the front lightwell. Replacement of external condenser unit in the rear garden including new acoustic enclosure, replacement of one unit under the external staircase on the front elevation, addition of new louvered panel.
46 Mount Street London W1K 2SA · premises record
Officer Owen Broadway
Approved
2016-07-21
More
Full Planning Permission Application
Show all 10 rows
Amendments to planning permission dated 16 July 2015 (RN: 15/04766/FULL) for reinstatement of entrance and steps on front elevation and internal alterations at ground and lower ground floor levels namely, the relocation on one external condenser unit in the rear garden space with new acoustic enclosure, the replacement of one unit under the external staircase on the front elevation and new acoustic louvered panel, alterations to the door opening in the front lightwell and replacement of a window.
46 Mount Street London W1K 2SA · premises record
Officer Ken Powell
Refused
2016-06-29
More
Non-material amendments
Approval of details pursuant to Condition 3 of listed building consent dated 16 July 2015 (RN: 15/04767/LBC), namely the submission of; photographs of the uncovered steps and details of any necessary repairs or rebuilding and a sample of stone to be used in the rebuilding or repair of the steps
Ground Floor 45 - 47 Mount Street London W1K 2SA · premises record
Officer Ken Powell
Approved
2016-06-14
More
Approval of Details (ADLBC)
Reinstatement of entrance and steps on front elevation and internal alterations at ground and lower ground floor levels.
46 Mount Street London W1K 2SA · premises record
Officer Owen Broadway
Approved
2015-05-28
More
Listed Building Consent Application
Reinstatement of entrance and steps on front elevation and internal alterations at ground and lower ground floor levels.
46 Mount Street London W1K 2SA · premises record
Officer Owen Broadway
Approved
2015-05-28
More
Full Planning Permission Application
Installation of fanlight to lower ground floor window.
45 Mount Street London W1K 2SA · premises record
Officer Ken Powell
Approved
2013-10-28
More
Full Planning Permission Application
Installation of ventilation fan and extension to external drainage locate to the lower ground lightwell.
45 Mount Street London W1K 2SA · premises record
Officer Central Planning Team
Approved
2013-10-28
More
Listed Building Consent Application
Minor internal works to common parts including installation of a stone floors to ground floor lobby.
46 Mount Street London W1K 2SA · premises record
Officer Ken Powell
Approved
2012-02-13
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 13 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 13 of 13 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 13 of 13 premises. Some normally permitted changes may require planning permission.
Central Activities Zone
Named designation not supplied · reference CAZ00000005 · covers 13 of 13 premises. London Plan policies for the Central Activities Zone may apply.
Conservation Area
Mayfair · reference CONARA/1270 · covers 13 of 13 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 13 of 13 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 13 of 13 premises. Some normally permitted changes may require planning permission.
Central Activities Zone
Named designation not supplied · reference CAZ00000005 · covers 13 of 13 premises. London Plan policies for the Central Activities Zone may apply.
Show all 4 rows
Conservation Area
Mayfair · reference CONARA/1270 · covers 13 of 13 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 23 applications in this postcode — the party who applied, not the owner or occupier.
Name
Details
Case officer on 9 applications
Case officer on 4 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 9 applications
Case officer on 4 applications
Case officer on 2 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 precedent23 applications and 47 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy6 EPC records; ratings C: 1, D: 3, E: 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 ProOwnership, 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.