Postcode record · Westminster
W9 3DY.
W9 3DY has 99 known premises and 48 planning records — 36 approved of 41 decided (87.8%). 54 EPC records.
Postcode W9 3DY · boundary not held, centred on the postcodeApprovedRefusedOther47 on the map — every match
At a glance · this postcodeWestminster profile →
99
Premises
known addresses (UPRNs)
48
Applications
41 decided
87.8%
Approval rate
36 approved · 5 refused
69 days
Median decision time
average 96 days · 43 dated decisions
54
EPC records
ratings B 3 · C 38 · D 10 · E 3
47
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?
W9 3DY has 99 known premises and 48 planning records — 36 approved of 41 decided (87.8%). 54 EPC records.
Premises (18 of 99 shown)
Name
Details
UPRN 10033523632
UPRN 10033525850
UPRN 10033543261
UPRN 10033543262
UPRN 10033543263
UPRN 10033543264
UPRN 10033543265
UPRN 10033543266
UPRN 10033548791
UPRN 10033548792
UPRN 10033523632
UPRN 10033525850
UPRN 10033543261
Show all 10 rows
UPRN 10033543262
UPRN 10033543263
UPRN 10033543264
UPRN 10033543265
UPRN 10033543266
UPRN 10033548791
UPRN 10033548792
Planning
What happened?
48 planning applications across the postcode; 36 approved of 41 decided (87.8%). Latest 30 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Notification for Prior Approval for conversion from Commercial Use (Class E) to Residential (Class C3) under the Town and Country Planning (General Permitted Development) (England) Order 2015 (as amended) Schedule 2, Part 3, Class MA.
4F Shirland Mews London W9 3DY · premises record
Officer Jack Morris
Prior Approval Class E to Dwellings (MA)
Approved
2026-02-20
Details of waste and recycling arrangements pursuant to condition 4 of prior approval dated 24th July 2025 (RN:25/03670/P3JPA).
4E Shirland Mews London W9 3DY · premises record
Officer Stuart Croll
Approval of Details (Full PP)
Approved
2026-01-05
Details of legal agreement that no car parking permit will be granted to any occupants of the new dwelling(s) pursuant to condition 3 of Prior Approval Notification dated 24 July 2025 (RN: 25/03670/P3JPA).
4E Shirland Mews London W9 3DY · premises record
Officer Desara Malaj
Approval of Details (Full PP)
Pending
2025-08-04
Variation of condition 1 and removal of condition 3 of planning permission dated 20th May 2024 (RN:23/01174/FULL) for the Erection of rear extensions at ground and first floor levels; increase in roof ridge height; new entrance to front elevation; and associated works. Namely, to remove the requirement to install a green roof.
48 Shirland Mews London W9 3DY · premises record
Officer Alex Jones
Full Planning Permission Application
Approved
2025-07-14
Notification for Prior Approval for conversion from Commercial Use (Class E) to Residential (Class C3) under the Town and Country Planning (General Permitted Development) (England) Order 2015 (as amended) Schedule 2, Part 3, Class MA.
4E Shirland Mews London W9 3DY · premises record
Officer Jack Morris
Prior Approval Class E to Dwellings (MA)
Approved
2025-05-30
Erection of a first floor rear extension, increase in roof ridge height and associated alterations to roof.
48 Shirland Mews London W9 3DY · premises record
Officer Alex Jones
Full Planning Permission Application
Refused
2025-04-01
Conversion of loft with new dormer window to rear elevation and three new rooflights.
48 Shirland Mews London W9 3DY · premises record
Officer Jack Morris
Certificate of Lawfulness (proposed)
Refused
2025-03-26
Erection of a first floor rear extension and increase in roof ridge height.
48 Shirland Mews London W9 3DY · premises record
Officer Alex Jones
Full Planning Permission Application
Withdrawn
2025-01-01
Amendments to planning permission dated 30 April 2024 Year (RN: 23/01174/FULL) for erection of rear extensions at ground and first floor levels; increase in roof ridge height; new entrance to front elevation; and associated works. NAMELY, erection of boundary wall to rear.
48 Shirland Mews London W9 3DY · premises record
Officer Alex Jones
Non-material amendments
Refused
2024-12-26
Details of samples of the facing materials pursuant to Condition 5 of planning permission dated 20th May 2024 (RN:23/01174/FULL)
48 Shirland Mews London W9 3DY · premises record
Officer Stuart Croll
Approval of Details (Full PP)
Approved
2024-12-11
Notification for Prior Approval for conversion from Commercial Use (Class E) to Residential (Class C3) under the Town and Country Planning (General Permitted Development) (England) Order 2015 (as amended) Schedule 2, Part 3, Class MA.
4F Shirland Mews London W9 3DY · premises record
Officer Jack Morris
Approved
2026-02-20
More
Prior Approval Class E to Dwellings (MA)
Details of waste and recycling arrangements pursuant to condition 4 of prior approval dated 24th July 2025 (RN:25/03670/P3JPA).
4E Shirland Mews London W9 3DY · premises record
Officer Stuart Croll
Approved
2026-01-05
More
Approval of Details (Full PP)
Details of legal agreement that no car parking permit will be granted to any occupants of the new dwelling(s) pursuant to condition 3 of Prior Approval Notification dated 24 July 2025 (RN: 25/03670/P3JPA).
4E Shirland Mews London W9 3DY · premises record
Officer Desara Malaj
Pending
2025-08-04
More
Approval of Details (Full PP)
Show all 10 rows
Variation of condition 1 and removal of condition 3 of planning permission dated 20th May 2024 (RN:23/01174/FULL) for the Erection of rear extensions at ground and first floor levels; increase in roof ridge height; new entrance to front elevation; and associated works. Namely, to remove the requirement to install a green roof.
48 Shirland Mews London W9 3DY · premises record
Officer Alex Jones
Approved
2025-07-14
More
Full Planning Permission Application
Notification for Prior Approval for conversion from Commercial Use (Class E) to Residential (Class C3) under the Town and Country Planning (General Permitted Development) (England) Order 2015 (as amended) Schedule 2, Part 3, Class MA.
4E Shirland Mews London W9 3DY · premises record
Officer Jack Morris
Approved
2025-05-30
More
Prior Approval Class E to Dwellings (MA)
Erection of a first floor rear extension, increase in roof ridge height and associated alterations to roof.
48 Shirland Mews London W9 3DY · premises record
Officer Alex Jones
Refused
2025-04-01
More
Full Planning Permission Application
Conversion of loft with new dormer window to rear elevation and three new rooflights.
48 Shirland Mews London W9 3DY · premises record
Officer Jack Morris
Refused
2025-03-26
More
Certificate of Lawfulness (proposed)
Erection of a first floor rear extension and increase in roof ridge height.
48 Shirland Mews London W9 3DY · premises record
Officer Alex Jones
Withdrawn
2025-01-01
More
Full Planning Permission Application
Amendments to planning permission dated 30 April 2024 Year (RN: 23/01174/FULL) for erection of rear extensions at ground and first floor levels; increase in roof ridge height; new entrance to front elevation; and associated works. NAMELY, erection of boundary wall to rear.
48 Shirland Mews London W9 3DY · premises record
Officer Alex Jones
Refused
2024-12-26
More
Non-material amendments
Details of samples of the facing materials pursuant to Condition 5 of planning permission dated 20th May 2024 (RN:23/01174/FULL)
48 Shirland Mews London W9 3DY · premises record
Officer Stuart Croll
Approved
2024-12-11
More
Approval of Details (Full PP)
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 99 premises each one covers.
Designation
Coverage
Article 4 Direction Area
Article 4 Basement Development Permitted Rights Removed · reference 23/00006/REG_4 · covers 99 of 99 premises. Some normally permitted changes may require planning permission.
Article 4 Direction Area
Article 4 Direction Class E To C3 Out Central Activity Zone · reference 23/00005/REG_4 · covers 1 of 99 premises. Some normally permitted changes may require planning permission.
Article 4 Direction Area
Article 4 Basement Development Permitted Rights Removed · reference 23/00006/REG_4 · covers 99 of 99 premises. Some normally permitted changes may require planning permission.
Article 4 Direction Area
Article 4 Direction Class E To C3 Out Central Activity Zone · reference 23/00005/REG_4 · covers 1 of 99 premises. Some normally permitted changes may require planning permission.
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
Case officer on 6 applications
Case officer on 4 applications
Case officer on 3 applications
Case officer on 3 applications
Case officer on 3 applications
Case officer on 1 application
Case officer on 1 application
Case officer on 1 application
Case officer on 1 application
Case officer on 1 application
Case officer on 6 applications
Case officer on 4 applications
Case officer on 3 applications
Show all 10 rows
Case officer on 3 applications
Case officer on 3 applications
Case officer on 1 application
Case officer on 1 application
Case officer on 1 application
Case officer on 1 application
Case officer on 1 application
Development
What could it become?
Planning precedent48 applications and 47 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy54 EPC records; ratings B: 3, C: 38, D: 10, E: 3.
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.
13 intent signals recorded in this postcode
Listing pulled · Charge registered · Price decline · Long hold · Ageing director
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.