Postcode record · Westminster
SW1Y 4HG.
SW1Y 4HG has 36 known premises and 59 planning records — 47 approved of 54 decided (87%). 1 EPC record.
Postcode SW1Y 4HG · boundary not held, centred on the postcodeApprovedRefusedOther60 exact60 on the map — every match
At a glance · this postcodeWestminster profile →
36
Premises
known addresses (UPRNs)
59
Applications
54 decided
87%
Approval rate
47 approved · 7 refused
1
EPC records
ratings E 1
60
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 4HG has 36 known premises and 59 planning records — 47 approved of 54 decided (87%). 1 EPC record.
Premises (18 of 36 shown)
Name
Details
UPRN 10033544216
UPRN 10033544217
UPRN 10033544218
UPRN 10033544219
UPRN 10033544220
UPRN 10033544221
UPRN 10033544222
UPRN 10033558970
UPRN 10033567640
UPRN 10033567649
UPRN 10033544216
UPRN 10033544217
UPRN 10033544218
Show all 10 rows
UPRN 10033544219
UPRN 10033544220
UPRN 10033544221
UPRN 10033544222
UPRN 10033558970
UPRN 10033567640
UPRN 10033567649
Planning
What happened?
59 planning applications across the postcode; 47 approved of 54 decided (87%). Latest 30 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
T1 1 x Holm oak: Reduce height by 2.5m and width by 1.5m. Remove dead, crossing and damaged branches. Crown lift to 2.5m.
15 Suffolk Street London SW1Y 4HG · premises record
Applic. for works to trees in CA
No objection
2026-02-18
Detailed drawings of new doors pursuant to condition 3 of listed building consent dated the 6 November 2025 (RN: 25/04083/LBC).
1 - 4 Suffolk Street London SW1Y 4HG · premises record
Officer Nikki Mitchell
Approval of Details (ADLBC)
Approved
2026-01-14
Installation of new fibre telecommunications cabling and fibre termination boxes at basement level.
18 Suffolk Street London SW1Y 4HG · premises record
Officer Nikki Mitchell
Listed Building Consent Application
Approved
2025-12-02
Amendments to planning permission dated 16 April 2025 (RN 24/08637/FULL) for: Installation of plant equipment in an acoustic enclosure in the rear courtyard; erection of glazed link bridge to south elevation at first floor level; and, decorative and repair works to the facades. Namely, increase in size of plant equipment and acoustic enclosure and new planter in rear courtyard.
12 - 13 Suffolk Street London SW1Y 4HG · premises record
Officer Max Leonardo
Non-material amendments
Approved
2025-08-28
Internal works comprising; first floor level creation of new door opening and erection of new partition wall to facilitate increased size accessible toilet; Second floor level: re-open a former passageway leading from hallway to bridge; Form new door opening to link classroom to hallway. (Including site 3-5 Whitcomb Street)
1 - 4 Suffolk Street London SW1Y 4HG · premises record
Officer Sanchita Raghunathan
Listed Building Consent Application
Approved
2025-06-16
Installation of plant equipment in an acoustic enclosure in the rear courtyard; erection of glazed link bridge to south elevation at first floor level; decorative and repair works to the facades; and, internal refurbishment and alterations including upgrades to the mechanical and electrical systems.
12 - 13 Suffolk Street London SW1Y 4HG · premises record
Officer Max Leonardo
Listed Building Consent Application
Approved
2024-12-11
Installation of plant equipment in an acoustic enclosure in the rear courtyard; erection of glazed link bridge to south elevation at first floor level; and, decorative and repair works to the facades.
12 - 13 Suffolk Street London SW1Y 4HG · premises record
Officer Max Leonardo
Full Planning Permission Application
Approved
2024-12-11
Installation of secondary glazing to the front, side and courtyard elevations.
1 - 4 Suffolk Street London SW1Y 4HG · premises record
Listed Building Consent Application
Approved
2024-04-02
Details of a supplementary acoustic report pursuant to condition 10 of planning permission dated 28 September 2022 (RN: 22/03890/FULL).
15 Suffolk Street London SW1Y 4HG · premises record
Officer Nikki Mitchell
Approval of Details (Full PP)
Approved
2023-06-20
Details of external staircases / new windows / planters pursuant to Condition 6 of listed building consent dated 28 September 2022 (RN: 22/03891/LBC). Linked with 23/00329/ADFULL.
15 Suffolk Street London SW1Y 4HG · premises record
Approval of Details (ADLBC)
Approved
2023-01-19
T1 1 x Holm oak: Reduce height by 2.5m and width by 1.5m. Remove dead, crossing and damaged branches. Crown lift to 2.5m.
15 Suffolk Street London SW1Y 4HG · premises record
No objection
2026-02-18
More
Applic. for works to trees in CA
Detailed drawings of new doors pursuant to condition 3 of listed building consent dated the 6 November 2025 (RN: 25/04083/LBC).
1 - 4 Suffolk Street London SW1Y 4HG · premises record
Officer Nikki Mitchell
Approved
2026-01-14
More
Approval of Details (ADLBC)
Installation of new fibre telecommunications cabling and fibre termination boxes at basement level.
18 Suffolk Street London SW1Y 4HG · premises record
Officer Nikki Mitchell
Approved
2025-12-02
More
Listed Building Consent Application
Show all 10 rows
Amendments to planning permission dated 16 April 2025 (RN 24/08637/FULL) for: Installation of plant equipment in an acoustic enclosure in the rear courtyard; erection of glazed link bridge to south elevation at first floor level; and, decorative and repair works to the facades. Namely, increase in size of plant equipment and acoustic enclosure and new planter in rear courtyard.
12 - 13 Suffolk Street London SW1Y 4HG · premises record
Officer Max Leonardo
Approved
2025-08-28
More
Non-material amendments
Internal works comprising; first floor level creation of new door opening and erection of new partition wall to facilitate increased size accessible toilet; Second floor level: re-open a former passageway leading from hallway to bridge; Form new door opening to link classroom to hallway. (Including site 3-5 Whitcomb Street)
1 - 4 Suffolk Street London SW1Y 4HG · premises record
Officer Sanchita Raghunathan
Approved
2025-06-16
More
Listed Building Consent Application
Installation of plant equipment in an acoustic enclosure in the rear courtyard; erection of glazed link bridge to south elevation at first floor level; decorative and repair works to the facades; and, internal refurbishment and alterations including upgrades to the mechanical and electrical systems.
12 - 13 Suffolk Street London SW1Y 4HG · premises record
Officer Max Leonardo
Approved
2024-12-11
More
Listed Building Consent Application
Installation of plant equipment in an acoustic enclosure in the rear courtyard; erection of glazed link bridge to south elevation at first floor level; and, decorative and repair works to the facades.
12 - 13 Suffolk Street London SW1Y 4HG · premises record
Officer Max Leonardo
Approved
2024-12-11
More
Full Planning Permission Application
Installation of secondary glazing to the front, side and courtyard elevations.
1 - 4 Suffolk Street London SW1Y 4HG · premises record
Approved
2024-04-02
More
Listed Building Consent Application
Details of a supplementary acoustic report pursuant to condition 10 of planning permission dated 28 September 2022 (RN: 22/03890/FULL).
15 Suffolk Street London SW1Y 4HG · premises record
Officer Nikki Mitchell
Approved
2023-06-20
More
Approval of Details (Full PP)
Details of external staircases / new windows / planters pursuant to Condition 6 of listed building consent dated 28 September 2022 (RN: 22/03891/LBC). Linked with 23/00329/ADFULL.
15 Suffolk Street London SW1Y 4HG · premises record
Approved
2023-01-19
More
Approval of Details (ADLBC)
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 36 premises each one covers.
Designation
Coverage
Archaeological Priority Area
City of Westminster APA 1.2: Lundenwic and the Strand Summary and Definition The Lundenwic and the Strand APA covers the Anglo-Saxon international trading emporium of Lundenwic and the medieval and post medieval grand and religious hou · reference 76669 · covers 36 of 36 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 36 of 36 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 36 of 36 premises. Some normally permitted changes may require planning permission.
Central Activities Zone
Named designation not supplied · reference CAZ00000005 · covers 36 of 36 premises. London Plan policies for the Central Activities Zone may apply.
Conservation Area
St James's · reference CONARA/1330 · covers 29 of 36 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
Conservation Area
Trafalgar Square · reference CONARA/1300 · covers 7 of 36 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
Archaeological Priority Area
City of Westminster APA 1.2: Lundenwic and the Strand Summary and Definition The Lundenwic and the Strand APA covers the Anglo-Saxon international trading emporium of Lundenwic and the medieval and post medieval grand and religious hou · reference 76669 · covers 36 of 36 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 36 of 36 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 36 of 36 premises. Some normally permitted changes may require planning permission.
Show all 6 rows
Central Activities Zone
Named designation not supplied · reference CAZ00000005 · covers 36 of 36 premises. London Plan policies for the Central Activities Zone may apply.
Conservation Area
St James's · reference CONARA/1330 · covers 29 of 36 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
Conservation Area
Trafalgar Square · reference CONARA/1300 · covers 7 of 36 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 30 applications in this postcode — the party who applied, not the owner or occupier.
Name
Details
Applicant on 2 applications
Applicant on 1 application
Applicant on 1 application
Agent on 2 applications
Agent on 1 application
Agent on 1 application
Case officer on 13 applications
Case officer on 4 applications
Case officer on 3 applications
Case officer on 2 applications
Applicant on 2 applications
Applicant on 1 application
Applicant on 1 application
Show all 10 rows
Agent on 2 applications
Agent on 1 application
Agent on 1 application
Case officer on 13 applications
Case officer on 4 applications
Case officer on 3 applications
Case officer on 2 applications
Development
What could it become?
Planning precedent59 applications and 60 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy1 EPC records; ratings E: 1.
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.
2 intent signals recorded in this postcode
Charge registered · Repeat sale
Subscribe to see the signals →Boundary: OS Postcode Unit areas (Ordnance Survey), 2026-08-14. Planning records: canonical stage2. EPC: EPC register. Premises: OS AddressBase / UPRN.