Postcode record · Westminster
W1K 2NH.
W1K 2NH has 8 known premises and 13 planning records — 11 approved of 12 decided (91.7%).
Postcode W1K 2NH · boundary not held, centred on the postcodeApprovedRefusedOther3 exact3 on the map — every match
At a glance · this postcodeWestminster profile →
8
Premises
known addresses (UPRNs)
13
Applications
12 decided
91.7%
Approval rate
11 approved · 1 refused
0
EPC records
none recorded
3
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 2NH has 8 known premises and 13 planning records — 11 approved of 12 decided (91.7%).
Premises
Name
Details
UPRN 10033581607
UPRN 10033647216
UPRN 10033647217
UPRN 10033647218
UPRN 10033647219
UPRN 100022812788
UPRN 100022812789
UPRN 100023473085
UPRN 10033581607
UPRN 10033647216
UPRN 10033647217
Show all 8 rows
UPRN 10033647218
UPRN 10033647219
UPRN 100022812788
UPRN 100022812789
UPRN 100023473085
Planning
What happened?
13 planning applications across the postcode; 11 approved of 12 decided (91.7%). Latest 13 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
External alterations including rooftop and rear extension at 41 Upper Grosvenor Street; and reconfiguration and amalgamation of existing residential accommodation (comprising 2 x 2bed and 1 x 1 bed) to provide 3 homes (1 x 2 bed and 2 x 3 bed) (Class C3) at 41 Reeves Mews; external alterations including rooftop and rear extension and terrace, loft conversion and new dormers and enlargement of basement at 41 Reeves Mews; and change of use of existing commercial use (Use Class E) to residential (Use Class C3) at lower ground of 41 Reeves Mews to facilitate shared cycle storage, refuse and plant facilities to serve both 41 Upper Grosvenor Street and 41 Reeves Mews; and associated landscaping across the site. [SITE INCLUDES 41 REEVES MEWS]
41 Upper Grosvenor Street London W1K 2NH · premises record
Full Planning Permission Application
Approved
2025-10-08
Amendments to planning permission dated 1st October 2024 (RN:24/05340/P3JPA) for Notification for Prior Approval for change of use of the lower ground, ground, first and second floors of the property at 41 Upper Grosvenor Street, that are currently in commercial use (Use Class E) to residential (Use Class C3), under Schedule 2, Part 3, Class MA of the Town and Country Planning (General Permitted Development) (England) Order 2015 (as amended). Namely, to revise the internal layout of the three apartments to provide 1 x duplex apartment over LGF and GF, 1 x lateral apartment at 1st floor and 1 x lateral apartment at 2nd floor; and revise the location of the core to reflect its existing position.
Basement Floor To Second Floor 41 Upper Grosvenor Street London W1K 2NH · premises record
Non-material amendments
Approved
2025-03-28
Details of arrangements to secure measures to mitigate the potential increased demand for on-street residents car parking in the vicinity of the site pursuant to condition 2 of prior approval application dated 01 October 2024 (RN: 24/05340/P3JPA).
Basement Floor To Second Floor 41 Upper Grosvenor Street London W1K 2NH · premises record
Approval of Details (Full PP)
Approved
2025-03-28
Change of use of existing commercial use (Use Class E) to residential (Use Class C3) at basement, ground, first and second floors of 41 Upper Grosvenor Street to create 4 additional homes; change of use of existing commercial uses (Use Class E) to residential (Use Class C3) at basement of 41 Reeves Mews together with reconfiguration and amalgamation to provide 3 homes; and, external alterations including minor rooftop and rear extension to 41 UGS, loft conversion and new dormers to 41 Reeves Mews and associated landscaping across the site.
41 Upper Grosvenor Street London W1K 2NH · premises record
Full Planning Permission Application
Withdrawn
2024-12-13
Notification for Prior Approval for the change of use of the basement to second floor into 2 x residential apartments (Class C3) in accordance with Schedule 2, Part 3, Class MA of the Town and Country Planning (General Permitted Development) (England) Order 2015 (as amended).
Basement Floor To Second Floor 41 Upper Grosvenor Street London W1K 2NH · premises record
Prior Approval Class E to Dwellings (MA)
Approved
2024-09-23
Existing lawful use of third and fourth floors of 41 Upper Grosvenor Street (41 UGS) (and associated fifth floor tank room) is two residential units in use class C3.
41 Upper Grosvenor Street London W1K 2NH · premises record
Certificate of Lawfulness (existing)
Approved
2024-07-25
Notification for Prior Approval for change of use of the lower ground, ground, first and second floors of the property at 41 Upper Grosvenor Street, that are currently in commercial use (Use Class E) to residential (Use Class C3), under Schedule 2, Part 3, Class MA of the Town and Country Planning (General Permitted Development) (England) Order 2015 (as amended).
Basement Floor To Second Floor 41 Upper Grosvenor Street London W1K 2NH · premises record
Prior Approval Class E to Dwellings (MA)
Approved
2024-07-22
Notification for Prior Approval for change of use of the lower ground, ground, first and second floors of the property at 41 Upper Grosvenor Street, London, W1K 7PN (the Site), that are currently in commercial use (Use Class E) to residential (Use Class C3), under Schedule 2, Part 3, Class MA of the Town and Country Planning (General Permitted Development) (England) Order 2015 (as amended).
Basement Floor To Second Floor 41 Upper Grosvenor Street London W1K 2NH · premises record
Prior Approval Class E to Dwellings (MA)
Approved
2024-07-22
Use of basement, ground, first and second floors as Class E.
41 Upper Grosvenor Street London W1K 2NH · premises record
Certificate of Lawfulness (existing)
Approved
2024-05-10
'Nil' planning use on basement, ground, first, and second floors
41 Upper Grosvenor Street London W1K 2NH · premises record
Certificate of Lawfulness (existing)
Refused
2020-04-21
External alterations including rooftop and rear extension at 41 Upper Grosvenor Street; and reconfiguration and amalgamation of existing residential accommodation (comprising 2 x 2bed and 1 x 1 bed) to provide 3 homes (1 x 2 bed and 2 x 3 bed) (Class C3) at 41 Reeves Mews; external alterations including rooftop and rear extension and terrace, loft conversion and new dormers and enlargement of basement at 41 Reeves Mews; and change of use of existing commercial use (Use Class E) to residential (Use Class C3) at lower ground of 41 Reeves Mews to facilitate shared cycle storage, refuse and plant facilities to serve both 41 Upper Grosvenor Street and 41 Reeves Mews; and associated landscaping across the site. [SITE INCLUDES 41 REEVES MEWS]
41 Upper Grosvenor Street London W1K 2NH · premises record
Approved
2025-10-08
More
Full Planning Permission Application
Amendments to planning permission dated 1st October 2024 (RN:24/05340/P3JPA) for Notification for Prior Approval for change of use of the lower ground, ground, first and second floors of the property at 41 Upper Grosvenor Street, that are currently in commercial use (Use Class E) to residential (Use Class C3), under Schedule 2, Part 3, Class MA of the Town and Country Planning (General Permitted Development) (England) Order 2015 (as amended). Namely, to revise the internal layout of the three apartments to provide 1 x duplex apartment over LGF and GF, 1 x lateral apartment at 1st floor and 1 x lateral apartment at 2nd floor; and revise the location of the core to reflect its existing position.
Basement Floor To Second Floor 41 Upper Grosvenor Street London W1K 2NH · premises record
Approved
2025-03-28
More
Non-material amendments
Details of arrangements to secure measures to mitigate the potential increased demand for on-street residents car parking in the vicinity of the site pursuant to condition 2 of prior approval application dated 01 October 2024 (RN: 24/05340/P3JPA).
Basement Floor To Second Floor 41 Upper Grosvenor Street London W1K 2NH · premises record
Approved
2025-03-28
More
Approval of Details (Full PP)
Show all 10 rows
Change of use of existing commercial use (Use Class E) to residential (Use Class C3) at basement, ground, first and second floors of 41 Upper Grosvenor Street to create 4 additional homes; change of use of existing commercial uses (Use Class E) to residential (Use Class C3) at basement of 41 Reeves Mews together with reconfiguration and amalgamation to provide 3 homes; and, external alterations including minor rooftop and rear extension to 41 UGS, loft conversion and new dormers to 41 Reeves Mews and associated landscaping across the site.
41 Upper Grosvenor Street London W1K 2NH · premises record
Withdrawn
2024-12-13
More
Full Planning Permission Application
Notification for Prior Approval for the change of use of the basement to second floor into 2 x residential apartments (Class C3) in accordance with Schedule 2, Part 3, Class MA of the Town and Country Planning (General Permitted Development) (England) Order 2015 (as amended).
Basement Floor To Second Floor 41 Upper Grosvenor Street London W1K 2NH · premises record
Approved
2024-09-23
More
Prior Approval Class E to Dwellings (MA)
Existing lawful use of third and fourth floors of 41 Upper Grosvenor Street (41 UGS) (and associated fifth floor tank room) is two residential units in use class C3.
41 Upper Grosvenor Street London W1K 2NH · premises record
Approved
2024-07-25
More
Certificate of Lawfulness (existing)
Notification for Prior Approval for change of use of the lower ground, ground, first and second floors of the property at 41 Upper Grosvenor Street, that are currently in commercial use (Use Class E) to residential (Use Class C3), under Schedule 2, Part 3, Class MA of the Town and Country Planning (General Permitted Development) (England) Order 2015 (as amended).
Basement Floor To Second Floor 41 Upper Grosvenor Street London W1K 2NH · premises record
Approved
2024-07-22
More
Prior Approval Class E to Dwellings (MA)
Notification for Prior Approval for change of use of the lower ground, ground, first and second floors of the property at 41 Upper Grosvenor Street, London, W1K 7PN (the Site), that are currently in commercial use (Use Class E) to residential (Use Class C3), under Schedule 2, Part 3, Class MA of the Town and Country Planning (General Permitted Development) (England) Order 2015 (as amended).
Basement Floor To Second Floor 41 Upper Grosvenor Street London W1K 2NH · premises record
Approved
2024-07-22
More
Prior Approval Class E to Dwellings (MA)
Use of basement, ground, first and second floors as Class E.
41 Upper Grosvenor Street London W1K 2NH · premises record
Approved
2024-05-10
More
Certificate of Lawfulness (existing)
'Nil' planning use on basement, ground, first, and second floors
41 Upper Grosvenor Street London W1K 2NH · premises record
Refused
2020-04-21
More
Certificate of Lawfulness (existing)
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 8 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 8 of 8 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 8 of 8 premises. Some normally permitted changes may require planning permission.
Central Activities Zone
Named designation not supplied · reference CAZ00000005 · covers 8 of 8 premises. London Plan policies for the Central Activities Zone may apply.
Conservation Area
Mayfair · reference CONARA/1270 · covers 8 of 8 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 8 of 8 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 8 of 8 premises. Some normally permitted changes may require planning permission.
Central Activities Zone
Named designation not supplied · reference CAZ00000005 · covers 8 of 8 premises. London Plan policies for the Central Activities Zone may apply.
Show all 4 rows
Conservation Area
Mayfair · reference CONARA/1270 · covers 8 of 8 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 13 applications in this postcode — the party who applied, not the owner or occupier.
Name
Details
Applicant on 10 applications
Applicant on 2 applications
Applicant on 1 application
Agent on 7 applications
Agent on 2 applications
Agent on 1 application
Agent on 1 application
Agent on 1 application
Agent on 1 application
Case officer on 6 applications
Applicant on 10 applications
Applicant on 2 applications
Applicant on 1 application
Show all 10 rows
Agent on 7 applications
Agent on 2 applications
Agent on 1 application
Agent on 1 application
Agent on 1 application
Agent on 1 application
Case officer on 6 applications
Development
What could it become?
Planning precedent13 applications and 3 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
The Developer PlanOwnership, 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.