Postcode record · Westminster
W1K 2HS.
W1K 2HS has 22 known premises and 28 planning records — 16 approved of 19 decided (84.2%). 10 EPC records.
Postcode W1K 2HS · boundary not held, centred on the postcodeApprovedRefusedOther28 exact28 on the map — every match
At a glance · this postcodeWestminster profile →
22
Premises
known addresses (UPRNs)
28
Applications
19 decided
84.2%
Approval rate
16 approved · 3 refused
10
EPC records
ratings C 7 · D 3
28
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 2HS has 22 known premises and 28 planning records — 16 approved of 19 decided (84.2%). 10 EPC records.
Premises (18 of 22 shown)
Name
Details
UPRN 10033535727
UPRN 10033535742
UPRN 10033556666
UPRN 10033633687
UPRN 100023474181
UPRN 100023474182
UPRN 100023474183
UPRN 100023474184
UPRN 100023474185
UPRN 100023474186
UPRN 10033535727
UPRN 10033535742
UPRN 10033556666
Show all 10 rows
UPRN 10033633687
UPRN 100023474181
UPRN 100023474182
UPRN 100023474183
UPRN 100023474184
UPRN 100023474185
UPRN 100023474186
Planning
What happened?
28 planning applications across the postcode; 16 approved of 19 decided (84.2%). Latest 28 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Installation of one air conditioning unit located in existing lightwell 2, within acoustic enclosure.
Flat 11 45 - 47 Grosvenor Square London W1K 2HS · premises record
Full Planning Permission Application
Pending
2025-09-19
Detailed drawings of a hard and soft landscaping scheme pursuant to condition 8 of planning permission dated 24th April 2025 (RN: 24/07982/FULL).
Basement And Ground Floor Maisonette 45 - 47 Grosvenor Square London W1K 2HS · premises record
Approval of Details (Full PP)
Approved
2025-08-29
Installation of condenser and housing to rear courtyard including landscaping works.
Basement And Ground Floor Maisonette 45 - 47 Grosvenor Square London W1K 2HS · premises record
Full Planning Permission Application
Approved
2024-11-15
1 x Flowering Cherry: fell 1 x Purple Plum: fell 1 x Laburnum: fell 3 x Cabbage Palm: fell 1 x Whitebeam: fell
45-47 Grosvenor Square London W1K 2HS · premises record
Applic. for works to trees in CA
No objection
2024-01-30
Replacement of existing single glazed, steel framed Crittal style windows with new slimline double glazed steel framed windows.
45-47 Grosvenor Square London W1K 2HS · premises record
Applicant Mr Samuel James · Agent Earl Kendrick Building Surveyors London Ltd. · Officer Allison Borden
Full Planning Permission Application
Approved
2023-10-27
Confirmation that the planning permission granted on 30 January 2007 (RN: 06/06032/FULL) for the: 'Erection of a single storey roof level extension to provide additional residential accommodation for existing Flat 17' was lawfully commenced prior to the expiry date of the planning permission.
45-47 Grosvenor Square London W1K 2HS · premises record
Applicant Loveen Israni · Officer Matthew Giles
Certificate of Lawfulness (proposed)
Refused
2023-08-22
Details of facing materials used, including glazing, elevations and roof plans/new windows and doors pursuant to Conditions 2 & 4 of planning permission dated 10th September 2019 (RN: 19/03168/FULL).
Basement And Ground Floor Maisonette 45-47 Grosvenor Square London W1K 2HS · premises record
Approval of Details (Full PP)
Approved
2022-11-09
Replacement of existing 6 rear windows with new aluminium framed and double glazed windows.
Flat 3 45-47 Grosvenor Square London W1K 2HS · premises record
Full
Approved
2021-03-11
Erection of two-storey extension at lower ground and ground floor levels to enlarge dwelling (Class C3), replacement of basement windows and repositioning of some existing windows openings.
Basement And Ground Floor Maisonette 45-47 Grosvenor Square London W1K 2HS · premises record
Full Planning Permission Application
Approved
2020-01-08
Alterations including replacement of lower ground floor rear extension at 45 Grosvenor Square, with terrace to roof to provide amenity space to 45 Grosvenor Square and ground floor flat at 47 Grosvenor Square. Alterations to rear ground floor windows at 47 Grosvenor Square to provide access to roof terrace (Class C 3). (Site includes 45 Grosvenor Square and ground floor 47 Grosvenor Square)
Basement And Ground Floor Maisonette 45-47 Grosvenor Square London W1K 2HS · premises record
Full Planning Permission Application
Approved
2019-04-25
Installation of one air conditioning unit located in existing lightwell 2, within acoustic enclosure.
Flat 11 45 - 47 Grosvenor Square London W1K 2HS · premises record
Pending
2025-09-19
More
Full Planning Permission Application
Detailed drawings of a hard and soft landscaping scheme pursuant to condition 8 of planning permission dated 24th April 2025 (RN: 24/07982/FULL).
Basement And Ground Floor Maisonette 45 - 47 Grosvenor Square London W1K 2HS · premises record
Approved
2025-08-29
More
Approval of Details (Full PP)
Installation of condenser and housing to rear courtyard including landscaping works.
Basement And Ground Floor Maisonette 45 - 47 Grosvenor Square London W1K 2HS · premises record
Approved
2024-11-15
More
Full Planning Permission Application
Show all 10 rows
1 x Flowering Cherry: fell 1 x Purple Plum: fell 1 x Laburnum: fell 3 x Cabbage Palm: fell 1 x Whitebeam: fell
45-47 Grosvenor Square London W1K 2HS · premises record
No objection
2024-01-30
More
Applic. for works to trees in CA
Replacement of existing single glazed, steel framed Crittal style windows with new slimline double glazed steel framed windows.
45-47 Grosvenor Square London W1K 2HS · premises record
Applicant Mr Samuel James · Agent Earl Kendrick Building Surveyors London Ltd. · Officer Allison Borden
Approved
2023-10-27
More
Full Planning Permission Application
Confirmation that the planning permission granted on 30 January 2007 (RN: 06/06032/FULL) for the: 'Erection of a single storey roof level extension to provide additional residential accommodation for existing Flat 17' was lawfully commenced prior to the expiry date of the planning permission.
45-47 Grosvenor Square London W1K 2HS · premises record
Applicant Loveen Israni · Officer Matthew Giles
Refused
2023-08-22
More
Certificate of Lawfulness (proposed)
Details of facing materials used, including glazing, elevations and roof plans/new windows and doors pursuant to Conditions 2 & 4 of planning permission dated 10th September 2019 (RN: 19/03168/FULL).
Basement And Ground Floor Maisonette 45-47 Grosvenor Square London W1K 2HS · premises record
Approved
2022-11-09
More
Approval of Details (Full PP)
Replacement of existing 6 rear windows with new aluminium framed and double glazed windows.
Flat 3 45-47 Grosvenor Square London W1K 2HS · premises record
Approved
2021-03-11
More
Full
Erection of two-storey extension at lower ground and ground floor levels to enlarge dwelling (Class C3), replacement of basement windows and repositioning of some existing windows openings.
Basement And Ground Floor Maisonette 45-47 Grosvenor Square London W1K 2HS · premises record
Approved
2020-01-08
More
Full Planning Permission Application
Alterations including replacement of lower ground floor rear extension at 45 Grosvenor Square, with terrace to roof to provide amenity space to 45 Grosvenor Square and ground floor flat at 47 Grosvenor Square. Alterations to rear ground floor windows at 47 Grosvenor Square to provide access to roof terrace (Class C 3). (Site includes 45 Grosvenor Square and ground floor 47 Grosvenor Square)
Basement And Ground Floor Maisonette 45-47 Grosvenor Square London W1K 2HS · premises record
Approved
2019-04-25
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 22 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 22 of 22 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 22 of 22 premises. Some normally permitted changes may require planning permission.
Central Activities Zone
Named designation not supplied · reference CAZ00000005 · covers 22 of 22 premises. London Plan policies for the Central Activities Zone may apply.
Conservation Area
Mayfair · reference CONARA/1270 · covers 22 of 22 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 22 of 22 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 22 of 22 premises. Some normally permitted changes may require planning permission.
Central Activities Zone
Named designation not supplied · reference CAZ00000005 · covers 22 of 22 premises. London Plan policies for the Central Activities Zone may apply.
Show all 4 rows
Conservation Area
Mayfair · reference CONARA/1270 · covers 22 of 22 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 28 applications in this postcode — the party who applied, not the owner or occupier.
Name
Details
Applicant on 3 applications
Applicant on 2 applications
Applicant on 2 applications
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 3 applications
Applicant on 2 applications
Applicant on 2 applications
Show all 10 rows
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Development
What could it become?
Planning precedent28 applications and 28 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy10 EPC records; ratings C: 7, D: 3.
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.
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.