Postcode record · Westminster
W1S 2AX.
W1S 2AX has 5 known premises and 14 planning records — 8 approved of 13 decided (61.5%).
Postcode W1S 2AX · boundary not held, centred on the postcodeApprovedRefusedOther14 exact14 on the map — every match
At a glance · this postcodeWestminster profile →
5
Premises
known addresses (UPRNs)
14
Applications
13 decided
61.5%
Approval rate
8 approved · 5 refused
0
EPC records
none recorded
14
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?
W1S 2AX has 5 known premises and 14 planning records — 8 approved of 13 decided (61.5%).
Premises
Name
Details
UPRN 10033538278
UPRN 10033564805
UPRN 10033584120
UPRN 100023470848
UPRN 100023607916
UPRN 10033538278
UPRN 10033564805
UPRN 10033584120
Show all 5 rows
UPRN 100023470848
UPRN 100023607916
Planning
What happened?
14 planning applications across the postcode; 8 approved of 13 decided (61.5%). Latest 14 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Erection of a rear roof extension at third floor level with a sedum roof to the rear; replacement of windows at second floor level with double glazing timber windows; replacement of door and window to the existing rear first floor extension with double glazing timber windows including replacement of roofing; and associated works all in connection with the use of the first to third floor as four flats (Class C3)
4 Mill Street London W1S 2AX · premises record
Full Planning Permission Application
Approved
2025-08-22
Erection of a rear roof extension at third floor level with a sedum roof to the rear; replacement of windows at second floor level with double glazing timber windows; replacement of door and window to the existing rear first floor extension with double glazing timber windows including replacement of roofing; and associated works all in connection with the use of the first to third floor as four flats (Class C3).
4 Mill Street London W1S 2AX · premises record
Full Planning Permission Application
Approved
2022-09-28
External alterations including the erection of rear single storey extension at second floor level for use in association with the existing hostess bar (sui generis use) and alterations to existing plant.
4 Mill Street London W1S 2AX · premises record
Full Planning Permission Application
Approved
2020-07-07
Display of internally illuminated vertical strip sign measuring 3100mm x 370mm x 100mm and internally illuminated projecting sign measuring 650mm x 650mm x 100mm.
4 Mill Street London W1S 2AX · premises record
Advert Application (ADV)
Refused
2017-01-31
Use of second floor as a hostess bar including striptease (sui generis use) in connection with the existing use at first floor.
First Floor 4 Mill Street London W1S 2AX · premises record
Full Planning Permission Application
Approved
2015-12-07
Alteration to shopfront including installation of lighting and crackle glaze finish facade. Installation of gate to ground floor doorway.
4 Mill Street London W1S 2AX · premises record
Full Planning Permission Application
Refused
2015-05-15
Installation of replacement air condensing units, new extract duct and new supply duct, replacement rooflights, new access hatch and replacement of section of glazed roof with new structural floor; all at rear first floor level.
4 Mill Street London W1S 2AX · premises record
Full Planning Permission Application
Approved
2015-02-25
Alteration to shopfront including installation of lighting and timber and brass facade. Installation of gate to ground floor doorway.
4 Mill Street London W1S 2AX · premises record
Full Planning Permission Application
Refused
2015-02-20
Use of second floor as a hostess bar (sui generis) in connection with existing first floor use.
Second Floor 4 Mill Street London W1S 2AX · premises record
Full Planning Permission Application
Refused
2012-12-17
Installation of a fixed canopy above the fascia sign.
4 Mill Street London W1S 2AX · premises record
Full Planning Permission Application
Refused
2003-07-14
Erection of a rear roof extension at third floor level with a sedum roof to the rear; replacement of windows at second floor level with double glazing timber windows; replacement of door and window to the existing rear first floor extension with double glazing timber windows including replacement of roofing; and associated works all in connection with the use of the first to third floor as four flats (Class C3)
4 Mill Street London W1S 2AX · premises record
Approved
2025-08-22
More
Full Planning Permission Application
Erection of a rear roof extension at third floor level with a sedum roof to the rear; replacement of windows at second floor level with double glazing timber windows; replacement of door and window to the existing rear first floor extension with double glazing timber windows including replacement of roofing; and associated works all in connection with the use of the first to third floor as four flats (Class C3).
4 Mill Street London W1S 2AX · premises record
Approved
2022-09-28
More
Full Planning Permission Application
External alterations including the erection of rear single storey extension at second floor level for use in association with the existing hostess bar (sui generis use) and alterations to existing plant.
4 Mill Street London W1S 2AX · premises record
Approved
2020-07-07
More
Full Planning Permission Application
Show all 10 rows
Display of internally illuminated vertical strip sign measuring 3100mm x 370mm x 100mm and internally illuminated projecting sign measuring 650mm x 650mm x 100mm.
4 Mill Street London W1S 2AX · premises record
Refused
2017-01-31
More
Advert Application (ADV)
Use of second floor as a hostess bar including striptease (sui generis use) in connection with the existing use at first floor.
First Floor 4 Mill Street London W1S 2AX · premises record
Approved
2015-12-07
More
Full Planning Permission Application
Alteration to shopfront including installation of lighting and crackle glaze finish facade. Installation of gate to ground floor doorway.
4 Mill Street London W1S 2AX · premises record
Refused
2015-05-15
More
Full Planning Permission Application
Installation of replacement air condensing units, new extract duct and new supply duct, replacement rooflights, new access hatch and replacement of section of glazed roof with new structural floor; all at rear first floor level.
4 Mill Street London W1S 2AX · premises record
Approved
2015-02-25
More
Full Planning Permission Application
Alteration to shopfront including installation of lighting and timber and brass facade. Installation of gate to ground floor doorway.
4 Mill Street London W1S 2AX · premises record
Refused
2015-02-20
More
Full Planning Permission Application
Use of second floor as a hostess bar (sui generis) in connection with existing first floor use.
Second Floor 4 Mill Street London W1S 2AX · premises record
Refused
2012-12-17
More
Full Planning Permission Application
Installation of a fixed canopy above the fascia sign.
4 Mill Street London W1S 2AX · premises record
Refused
2003-07-14
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 5 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 5 of 5 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 5 of 5 premises. Some normally permitted changes may require planning permission.
Article 4 Direction Area
Article 4 Direction Class E To C3 In Central Activities Zone · reference 23/00004/REG_4 · covers 5 of 5 premises. Some normally permitted changes may require planning permission.
Central Activities Zone
Named designation not supplied · reference CAZ00000005 · covers 5 of 5 premises. London Plan policies for the Central Activities Zone may apply.
Conservation Area
Mayfair · reference CONARA/1270 · covers 5 of 5 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 5 of 5 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 5 of 5 premises. Some normally permitted changes may require planning permission.
Article 4 Direction Area
Article 4 Direction Class E To C3 In Central Activities Zone · reference 23/00004/REG_4 · covers 5 of 5 premises. Some normally permitted changes may require planning permission.
Show all 5 rows
Central Activities Zone
Named designation not supplied · reference CAZ00000005 · covers 5 of 5 premises. London Plan policies for the Central Activities Zone may apply.
Conservation Area
Mayfair · reference CONARA/1270 · covers 5 of 5 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 14 applications in this postcode — the party who applied, not the owner or occupier.
Name
Details
Applicant on 4 applications
Applicant on 3 applications
Applicant on 3 applications
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Agent on 3 applications
Agent on 2 applications
Agent on 2 applications
Applicant on 4 applications
Applicant on 3 applications
Applicant on 3 applications
Show all 10 rows
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Agent on 3 applications
Agent on 2 applications
Agent on 2 applications
Development
What could it become?
Planning precedent14 applications and 14 mapped decisions in this postcode — precedent for what has been permitted and refused here.
EnergyNo EPC records joined yet.
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.
Thinking about a project here?
Boundary: OS Postcode Unit areas (Ordnance Survey), 2026-08-14. Planning records: canonical stage2. EPC: EPC register. Premises: OS AddressBase / UPRN.