Postcode record · Westminster
W1K 3HL.
W1K 3HL has 15 known premises and 28 planning records — 18 approved of 20 decided (90%).
Postcode W1K 3HL · boundary not held, centred on the postcodeApprovedRefusedOther28 exact28 on the map — every match
At a glance · this postcodeWestminster profile →
15
Premises
known addresses (UPRNs)
28
Applications
20 decided
90%
Approval rate
18 approved · 2 refused
0
EPC records
none recorded
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 3HL has 15 known premises and 28 planning records — 18 approved of 20 decided (90%).
Premises
Name
Details
UPRN 10033535751
UPRN 10033593663
UPRN 10033593665
UPRN 10033617805
UPRN 10033617806
UPRN 10033617807
UPRN 10033622176
UPRN 10033622177
UPRN 10033622178
UPRN 10033622179
UPRN 10033535751
UPRN 10033593663
UPRN 10033593665
Show all 10 rows
UPRN 10033617805
UPRN 10033617806
UPRN 10033617807
UPRN 10033622176
UPRN 10033622177
UPRN 10033622178
UPRN 10033622179
Planning
What happened?
28 planning applications across the postcode; 18 approved of 20 decided (90%). Latest 28 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Installation of a new kitchen unit at third floor level.
Third Floor 43 Grosvenor Street London W1K 3HL · premises record
—
Unknown
2022-12-05
Internal alterations at third, fourth and fifth floor levels.
43 Grosvenor Street London W1K 3HL · premises record
Officer Ken Powell
Listed Building Consent Application
Approved
2016-03-16
Internal alterations at basement, ground, first and second floor levels.
43 Grosvenor Street London W1K 3HL · premises record
Officer Kate Hannelly
Listed Building Consent Application
Approved
2014-10-17
Internal alterations, including new partitions of basement to second floors.
43 Grosvenor Street London W1K 3HL · premises record
Officer Kate Hannelly
Listed Building Consent Application
Withdrawn
2014-06-10
Use of the fourth and fifth floor levels as a residential flat (Class C3) comprising 1x3 bedroom unit, alterations to the main roof to allow for the installation of a rooflight.
43 Grosvenor Street London W1K 3HL · premises record
Officer Lindsay Jenkins
Full Planning Permission Application
Approved
2013-11-15
Alterations to the roof to allow for the installation of a rooflight.
43 Grosvenor Street London W1K 3HL · premises record
Officer Lindsay Jenkins
Listed Building Consent Application
Approved
2013-11-15
Use of fourth and fifth floors as one residential apartment (Class C3), including remodelling of existing mansard roof and provision of four new rooflights to replace dormer windows on the front and rear fifth floor elevation.
43 Grosvenor Street London W1K 3HL · premises record
Officer Robert Smith
Listed Building Consent Application
Withdrawn
2013-01-14
Use of fourth and fifth floors as one residential apartment (Class C3), including remodelling of existing mansard roof and provision of four new rooflights to replace dormer windows on the front and rear fifth floor elevation. Extension of rear plant enclosure.
43 Grosvenor Street London W1K 3HL · premises record
Officer Robert Smith
Full Planning Permission Application
Withdrawn
2013-01-14
Display for a temporary period of six months of a non-illuminated 'to let' board attached to the railings in front of the building at street level and measuring 0.6 x 0.45m.
43 Grosvenor Street London W1K 3HL · premises record
Advert Application-Regulat. 7 Area (AD7)
Approved
2008-03-07
Display for a temporary period of six months of a non-illuminated 'to let' board attached to the railings in front of the building at street level and measuring 0.6m x 0.45m.
43 Grosvenor Street London W1K 3HL · premises record
Advert Application-Regulat. 7 Area (AD7)
Approved
2007-07-05
Installation of a new kitchen unit at third floor level.
Third Floor 43 Grosvenor Street London W1K 3HL · premises record
Unknown
2022-12-05
More
—
Internal alterations at third, fourth and fifth floor levels.
43 Grosvenor Street London W1K 3HL · premises record
Officer Ken Powell
Approved
2016-03-16
More
Listed Building Consent Application
Internal alterations at basement, ground, first and second floor levels.
43 Grosvenor Street London W1K 3HL · premises record
Officer Kate Hannelly
Approved
2014-10-17
More
Listed Building Consent Application
Show all 10 rows
Internal alterations, including new partitions of basement to second floors.
43 Grosvenor Street London W1K 3HL · premises record
Officer Kate Hannelly
Withdrawn
2014-06-10
More
Listed Building Consent Application
Use of the fourth and fifth floor levels as a residential flat (Class C3) comprising 1x3 bedroom unit, alterations to the main roof to allow for the installation of a rooflight.
43 Grosvenor Street London W1K 3HL · premises record
Officer Lindsay Jenkins
Approved
2013-11-15
More
Full Planning Permission Application
Alterations to the roof to allow for the installation of a rooflight.
43 Grosvenor Street London W1K 3HL · premises record
Officer Lindsay Jenkins
Approved
2013-11-15
More
Listed Building Consent Application
Use of fourth and fifth floors as one residential apartment (Class C3), including remodelling of existing mansard roof and provision of four new rooflights to replace dormer windows on the front and rear fifth floor elevation.
43 Grosvenor Street London W1K 3HL · premises record
Officer Robert Smith
Withdrawn
2013-01-14
More
Listed Building Consent Application
Use of fourth and fifth floors as one residential apartment (Class C3), including remodelling of existing mansard roof and provision of four new rooflights to replace dormer windows on the front and rear fifth floor elevation. Extension of rear plant enclosure.
43 Grosvenor Street London W1K 3HL · premises record
Officer Robert Smith
Withdrawn
2013-01-14
More
Full Planning Permission Application
Display for a temporary period of six months of a non-illuminated 'to let' board attached to the railings in front of the building at street level and measuring 0.6 x 0.45m.
43 Grosvenor Street London W1K 3HL · premises record
Approved
2008-03-07
More
Advert Application-Regulat. 7 Area (AD7)
Display for a temporary period of six months of a non-illuminated 'to let' board attached to the railings in front of the building at street level and measuring 0.6m x 0.45m.
43 Grosvenor Street London W1K 3HL · premises record
Approved
2007-07-05
More
Advert Application-Regulat. 7 Area (AD7)
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 15 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 15 of 15 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 15 of 15 premises. Some normally permitted changes may require planning permission.
Central Activities Zone
Named designation not supplied · reference CAZ00000005 · covers 15 of 15 premises. London Plan policies for the Central Activities Zone may apply.
Conservation Area
Mayfair · reference CONARA/1270 · covers 15 of 15 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 15 of 15 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 15 of 15 premises. Some normally permitted changes may require planning permission.
Central Activities Zone
Named designation not supplied · reference CAZ00000005 · covers 15 of 15 premises. London Plan policies for the Central Activities Zone may apply.
Show all 4 rows
Conservation Area
Mayfair · reference CONARA/1270 · covers 15 of 15 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 1 application
Applicant on 1 application
Applicant on 1 application
Agent on 2 applications
Agent on 1 application
Case officer on 12 applications
Case officer on 4 applications
Case officer on 2 applications
Case officer on 2 applications
Case officer on 2 applications
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Show all 10 rows
Agent on 2 applications
Agent on 1 application
Case officer on 12 applications
Case officer on 4 applications
Case officer on 2 applications
Case officer on 2 applications
Case officer on 2 applications
Development
What could it become?
Planning precedent28 applications and 28 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.
Boundary: OS Postcode Unit areas (Ordnance Survey), 2026-08-14. Planning records: canonical stage2. EPC: EPC register. Premises: OS AddressBase / UPRN.