Planning Atlas
Planning Atlas›Westminster›…St James's ward›SW1Y 4LG
AtlasWestminsterSt James'sSW1Y 4LG
Postcode record · Westminster

SW1Y 4LG.

SW1Y 4LG has 1 known premises and 43 planning records — 36 approved of 38 decided (94.7%).

Westminster›St James's›SW1Y 4LG
Postcode SW1Y 4LG · boundary not held, centred on the postcodeApprovedRefusedOther43 exact43 on the map — every match
At a glance · this postcodeWestminster profile →
1
Premises
known addresses (UPRNs)
43
Applications
38 decided
94.7%
Approval rate
36 approved · 2 refused
0
EPC records
none recorded
43
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?

SW1Y 4LG has 1 known premises and 43 planning records — 36 approved of 38 decided (94.7%).

Premises

Planning

What happened?

43 planning applications across the postcode; 36 approved of 38 decided (94.7%). Latest 30 shown.

Reference
Proposal · address
Type
Outcome
Date · distance
Detailed drawings of acoustic enclosure pursuant to condition 5 of planning permission dated 18th December 2024 (RN:24/06485/FULL).
14 St James's Square London SW1Y 4LG · premises record
Applicant Mr Hugo Braddick · Agent Haworth Tompkins · Officer Nikki Mitchell
Approval of Details (Full PP)
Approved
2026-02-18
Detailed drawings of acoustic enclosure pursuant to condition 4 of listed building dated 18 December 2024 (RN:24/06486/LBC).
14 St James's Square London SW1Y 4LG · premises record
Applicant Mr Hugo Braddick · Agent Haworth Tompkins · Officer Nikki Mitchell
Approval of Details (ADLBC)
Approved
2026-02-18
Details of the new lourve to lower ground floor level within the front lightwell, pursuant to condition 3 of listed building consent dated 18 December 2024 (RN: 24/06486/LBC).
14 St James's Square London SW1Y 4LG · premises record
Applicant Mr Hugo Braddick · Agent Haworth Tompkins · Officer Nikki Mitchell
Approval of Details (ADLBC)
Approved
2025-10-02
Details of the new louvre to lower ground floor level within the front lightwell, pursuant to condition 4 of planning permission dated 18 December 2024 (RN: 24/06485/FULL).
14 St James's Square London SW1Y 4LG · premises record
Applicant Mr Hugo Braddick · Agent Haworth Tompkins · Officer Nikki Mitchell
Approval of Details (Full PP)
Approved
2025-09-29
Installation of a new lift shaft within the existing lightwell providing access to all levels, creation of a members' room at sixth floor level and a connected roof terrace at fifth floor level and a new roof plant including extension to existing plant room and installation of PV panels. (Linked to 25/03509/FULL)
14 St James's Square London SW1Y 4LG · premises record
Applicant Mr Philip Marshall · Agent Haworth Tompkins · Officer Max Leonardo
Listed Building Consent Application
Pending
2025-05-22
Installation of a new lift shaft within existing lightwell providing access to all levels, creation of a members' room at sixth floor level and a connected roof terrace at fifth floor level and a new roof plant including extension to existing plant room and installation of PV panels. (Linked to 25/03510/LBC)
14 St James's Square London SW1Y 4LG · premises record
Applicant Mr Philip Marshall · Agent Haworth Tompkins · Officer Max Leonardo
Full Planning Permission Application
Pending
2025-05-22
Internal refurbishment and alterations at ground and basement level; external works consisting of replacement of existing plant equipment and rooflights on rear roof between first and second floor level and installation of louvre in lower ground front lightwell.
14 St James's Square London SW1Y 4LG · premises record
Applicant Mr Philip Marshall · Agent Haworth Tompkins · Officer Max Leonardo
Listed Building Consent Application
Approved
2024-09-17
Replacement of existing plant equipment and rooflights on rear roof between first and second floor level and installation of louvre in lower ground front lightwell.
14 St James's Square London SW1Y 4LG · premises record
Applicant Mr Philip Marshall · Agent Haworth Tompkins · Officer Max Leonardo
Full Planning Permission Application
Approved
2024-09-17
Detailed drawings showing retention of existing original floor tiles in male and female WCs, retention and reuse of the existing original timber panelling forming the existing urinal compartment in the male WC pursuant to Condition 4 of listed building consent dated 3 June 2021 (RN 21/02621/LBC)
14 St James's Square London SW1Y 4LG · premises record
Approval of Details (ADLBC)
Approved
2021-07-08
Internal alterations and refurbishment works of two of the existing WCs located on levels one and two.
14 St James's Square London SW1Y 4LG · premises record
Listed Building Consent Application
Approved
2021-04-21
Detailed drawings of acoustic enclosure pursuant to condition 5 of planning permission dated 18th December 2024 (RN:24/06485/FULL).
14 St James's Square London SW1Y 4LG · premises record
Applicant Mr Hugo Braddick · Agent Haworth Tompkins · Officer Nikki Mitchell
Approved
2026-02-18
More
Approval of Details (Full PP)
Detailed drawings of acoustic enclosure pursuant to condition 4 of listed building dated 18 December 2024 (RN:24/06486/LBC).
14 St James's Square London SW1Y 4LG · premises record
Applicant Mr Hugo Braddick · Agent Haworth Tompkins · Officer Nikki Mitchell
Approved
2026-02-18
More
Approval of Details (ADLBC)
Details of the new lourve to lower ground floor level within the front lightwell, pursuant to condition 3 of listed building consent dated 18 December 2024 (RN: 24/06486/LBC).
14 St James's Square London SW1Y 4LG · premises record
Applicant Mr Hugo Braddick · Agent Haworth Tompkins · Officer Nikki Mitchell
Approved
2025-10-02
More
Approval of Details (ADLBC)
Show all 10 rows
Details of the new louvre to lower ground floor level within the front lightwell, pursuant to condition 4 of planning permission dated 18 December 2024 (RN: 24/06485/FULL).
14 St James's Square London SW1Y 4LG · premises record
Applicant Mr Hugo Braddick · Agent Haworth Tompkins · Officer Nikki Mitchell
Approved
2025-09-29
More
Approval of Details (Full PP)
Installation of a new lift shaft within the existing lightwell providing access to all levels, creation of a members' room at sixth floor level and a connected roof terrace at fifth floor level and a new roof plant including extension to existing plant room and installation of PV panels. (Linked to 25/03509/FULL)
14 St James's Square London SW1Y 4LG · premises record
Applicant Mr Philip Marshall · Agent Haworth Tompkins · Officer Max Leonardo
Pending
2025-05-22
More
Listed Building Consent Application
Installation of a new lift shaft within existing lightwell providing access to all levels, creation of a members' room at sixth floor level and a connected roof terrace at fifth floor level and a new roof plant including extension to existing plant room and installation of PV panels. (Linked to 25/03510/LBC)
14 St James's Square London SW1Y 4LG · premises record
Applicant Mr Philip Marshall · Agent Haworth Tompkins · Officer Max Leonardo
Pending
2025-05-22
More
Full Planning Permission Application
Internal refurbishment and alterations at ground and basement level; external works consisting of replacement of existing plant equipment and rooflights on rear roof between first and second floor level and installation of louvre in lower ground front lightwell.
14 St James's Square London SW1Y 4LG · premises record
Applicant Mr Philip Marshall · Agent Haworth Tompkins · Officer Max Leonardo
Approved
2024-09-17
More
Listed Building Consent Application
Replacement of existing plant equipment and rooflights on rear roof between first and second floor level and installation of louvre in lower ground front lightwell.
14 St James's Square London SW1Y 4LG · premises record
Applicant Mr Philip Marshall · Agent Haworth Tompkins · Officer Max Leonardo
Approved
2024-09-17
More
Full Planning Permission Application
Detailed drawings showing retention of existing original floor tiles in male and female WCs, retention and reuse of the existing original timber panelling forming the existing urinal compartment in the male WC pursuant to Condition 4 of listed building consent dated 3 June 2021 (RN 21/02621/LBC)
14 St James's Square London SW1Y 4LG · premises record
Approved
2021-07-08
More
Approval of Details (ADLBC)
Internal alterations and refurbishment works of two of the existing WCs located on levels one and two.
14 St James's Square London SW1Y 4LG · premises record
Approved
2021-04-21
More
Listed Building Consent 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 1 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 1 of 1 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 1 of 1 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 1 of 1 premises. Some normally permitted changes may require planning permission.
Central Activities Zone
Named designation not supplied · reference CAZ00000005 · covers 1 of 1 premises. London Plan policies for the Central Activities Zone may apply.
Conservation Area
St James's · reference CONARA/1330 · covers 1 of 1 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 1 of 1 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 1 of 1 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 1 of 1 premises. Some normally permitted changes may require planning permission.
Show all 5 rows
Central Activities Zone
Named designation not supplied · reference CAZ00000005 · covers 1 of 1 premises. London Plan policies for the Central Activities Zone may apply.
Conservation Area
St James's · reference CONARA/1330 · covers 1 of 1 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
People

Who is involved?

Named on the latest 30 applications in this postcode — the party who applied, not the owner or occupier.

Name
Details
Applicant on 4 applications
Applicant on 4 applications
Applicant on 2 applications
Applicant on 2 applications
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Agent on 8 applications
Agent on 3 applications
Agent on 2 applications
Applicant on 4 applications
Applicant on 4 applications
Applicant on 2 applications
Show all 10 rows
Applicant on 2 applications
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Agent on 8 applications
Agent on 3 applications
Agent on 2 applications
Development

What could it become?

Planning precedent43 applications and 43 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 Pro

Ownership, 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.
SW1Y 4LG, Westminster: Planning and Property History | Planning Atlas