Postcode record · Westminster
W1K 2SL.
W1K 2SL has 2 known premises and 5 planning records — 2 approved of 4 decided (50%). 2 EPC records.
Postcode W1K 2SL · boundary not held, centred on the postcodeApprovedRefusedOther8 on the map — every match
At a glance · this postcodeWestminster profile →
2
Premises
known addresses (UPRNs)
5
Applications
4 decided
50%
Approval rate
2 approved · 2 refused
2
EPC records
ratings D 1 · E 1
8
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 2SL has 2 known premises and 5 planning records — 2 approved of 4 decided (50%). 2 EPC records.
Premises
Name
Details
UPRN 100022782886
UPRN 100023475704
UPRN 100022782886
UPRN 100023475704
Planning
What happened?
5 planning applications across the postcode; 2 approved of 4 decided (50%). Latest 5 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Reclad entrance steps and landing with stone.
78 Mount Street London W1K 2SL · premises record
Officer Ken Powell
Listed Building Consent Application
Refused
2013-07-22
Reclad entrance steps and landing with stone.
78 Mount Street London W1K 2SL · premises record
Officer Ken Powell
Full Planning Permission Application
Refused
2013-07-22
Listed Building Consent Application
Approved
2001-10-18
Modifications to basement to provide improved staff accommodation to single family dwelling.
78 Mount Street London W1K 2SL · premises record
Officer Harriet Whitehorn
Full Planning Permission Application
Approved
2001-10-18
Replacement of roof tiles (like for like) including 79 Mount street.
78 Mount Street London W1K 2SL · premises record
Listed Building Consent
Unknown
—
Reclad entrance steps and landing with stone.
78 Mount Street London W1K 2SL · premises record
Officer Ken Powell
Refused
2013-07-22
More
Listed Building Consent Application
Reclad entrance steps and landing with stone.
78 Mount Street London W1K 2SL · premises record
Officer Ken Powell
Refused
2013-07-22
More
Full Planning Permission Application
Approved
2001-10-18
More
Listed Building Consent Application
Show all 5 rows
Modifications to basement to provide improved staff accommodation to single family dwelling.
78 Mount Street London W1K 2SL · premises record
Officer Harriet Whitehorn
Approved
2001-10-18
More
Full Planning Permission Application
Replacement of roof tiles (like for like) including 79 Mount street.
78 Mount Street London W1K 2SL · premises record
Unknown
—
More
Listed Building Consent
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 2 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 2 of 2 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 2 of 2 premises. Some normally permitted changes may require planning permission.
Central Activities Zone
Named designation not supplied · reference CAZ00000005 · covers 2 of 2 premises. London Plan policies for the Central Activities Zone may apply.
Conservation Area
Mayfair · reference CONARA/1270 · covers 2 of 2 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 2 of 2 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 2 of 2 premises. Some normally permitted changes may require planning permission.
Central Activities Zone
Named designation not supplied · reference CAZ00000005 · covers 2 of 2 premises. London Plan policies for the Central Activities Zone may apply.
Show all 4 rows
Conservation Area
Mayfair · reference CONARA/1270 · covers 2 of 2 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 5 applications in this postcode — the party who applied, not the owner or occupier.
Name
Details
Case officer on 2 applications
Case officer on 2 applications
Case officer on 2 applications
Case officer on 2 applications
Development
What could it become?
Planning precedent5 applications and 8 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy2 EPC records; ratings D: 1, 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.
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.