Postcode record · Westminster
SW1Y 6BL.
SW1Y 6BL has 25 known premises and 5 planning records — 5 approved of 5 decided (100%). 21 EPC records.
Postcode SW1Y 6BL · boundary not held, centred on the postcodeApprovedRefusedOther5 exact5 on the map — every match
At a glance · this postcodeWestminster profile →
25
Premises
known addresses (UPRNs)
5
Applications
5 decided
100%
Approval rate
5 approved · 0 refused
21
EPC records
ratings C 2 · D 14 · E 5
5
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 6BL has 25 known premises and 5 planning records — 5 approved of 5 decided (100%). 21 EPC records.
Premises (18 of 25 shown)
Name
Details
UPRN 10033555145
UPRN 10033555146
UPRN 10033555147
UPRN 10033555148
UPRN 10033555149
UPRN 10033555150
UPRN 10033555151
UPRN 10033555152
UPRN 10033555153
UPRN 10033555154
UPRN 10033555145
UPRN 10033555146
UPRN 10033555147
Show all 10 rows
UPRN 10033555148
UPRN 10033555149
UPRN 10033555150
UPRN 10033555151
UPRN 10033555152
UPRN 10033555153
UPRN 10033555154
Planning
What happened?
5 planning applications across the postcode; 5 approved of 5 decided (100%). Latest 5 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Replacement of three uPVC windows with timber sash windows on the front elevation and replacement of window with a door to the fire escape at the rear.
Flat 21 Dalmeny Court 8 Duke Street St James's London SW1Y 6BL · premises record
Applicant Ms Emily de Wolfe Pettit · Officer Nikki Mitchell
Full Planning Permission Application
Approved
2023-05-15
Replacement of four single glazed casement windows with four double glazed casement windows.
Dalmeny Court, Flat 20 8 Duke Street St James's London SW1Y 6BL · premises record
Officer Nikki Mitchell
Full Planning Permission Application
Approved
2019-08-20
Installation of single air conditioning unit at roof level.
Flat 24 Dalmeny Court 8 Duke Street St James's London SW1Y 6BL · premises record
Officer Joe Whitworth
Listed Building Consent Application
Approved
2016-07-11
Installation of single air conditioning unit at roof level.
Flat 24 Dalmeny Court 8 Duke Street St James's London SW1Y 6BL · premises record
Full Planning Permission Application
Approved
2016-06-09
Installation of railings and anchor point at roof level.
Dalmeny Court 8 Duke Street London SW1Y 6BL · premises record
Full Planning Permission Application
Approved
2003-10-08
Replacement of three uPVC windows with timber sash windows on the front elevation and replacement of window with a door to the fire escape at the rear.
Flat 21 Dalmeny Court 8 Duke Street St James's London SW1Y 6BL · premises record
Applicant Ms Emily de Wolfe Pettit · Officer Nikki Mitchell
Approved
2023-05-15
More
Full Planning Permission Application
Replacement of four single glazed casement windows with four double glazed casement windows.
Dalmeny Court, Flat 20 8 Duke Street St James's London SW1Y 6BL · premises record
Officer Nikki Mitchell
Approved
2019-08-20
More
Full Planning Permission Application
Installation of single air conditioning unit at roof level.
Flat 24 Dalmeny Court 8 Duke Street St James's London SW1Y 6BL · premises record
Officer Joe Whitworth
Approved
2016-07-11
More
Listed Building Consent Application
Show all 5 rows
Installation of single air conditioning unit at roof level.
Flat 24 Dalmeny Court 8 Duke Street St James's London SW1Y 6BL · premises record
Approved
2016-06-09
More
Full Planning Permission Application
Installation of railings and anchor point at roof level.
Dalmeny Court 8 Duke Street London SW1Y 6BL · premises record
Approved
2003-10-08
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 25 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 25 of 25 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 25 of 25 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 25 of 25 premises. Some normally permitted changes may require planning permission.
Central Activities Zone
Named designation not supplied · reference CAZ00000005 · covers 25 of 25 premises. London Plan policies for the Central Activities Zone may apply.
Conservation Area
St James's · reference CONARA/1330 · covers 25 of 25 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 25 of 25 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 25 of 25 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 25 of 25 premises. Some normally permitted changes may require planning permission.
Show all 5 rows
Central Activities Zone
Named designation not supplied · reference CAZ00000005 · covers 25 of 25 premises. London Plan policies for the Central Activities Zone may apply.
Conservation Area
St James's · reference CONARA/1330 · covers 25 of 25 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 5 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 1 application
Agent on 1 application
Case officer on 2 applications
Case officer on 2 applications
Case officer on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Show all 8 rows
Agent on 1 application
Agent on 1 application
Case officer on 2 applications
Case officer on 2 applications
Case officer on 1 application
Development
What could it become?
Planning precedent5 applications and 5 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy21 EPC records; ratings C: 2, D: 14, E: 5.
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.
Boundary: OS Postcode Unit areas (Ordnance Survey), 2026-08-14. Planning records: canonical stage2. EPC: EPC register. Premises: OS AddressBase / UPRN.