Postcode record · Westminster
W9 3DE.
W9 3DE has 142 known premises and 66 planning records — 43 approved of 62 decided (69.4%). 60 EPC records.
Postcode W9 3DE · boundary not held, centred on the postcodeApprovedRefusedOther66 exact1 approximate67 on the map — every match
At a glance · this postcodeWestminster profile →
142
Premises
known addresses (UPRNs)
66
Applications
62 decided
69.4%
Approval rate
43 approved · 19 refused
60
EPC records
ratings C 26 · D 31 · E 2 · G 1
67
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 3DE has 142 known premises and 66 planning records — 43 approved of 62 decided (69.4%). 60 EPC records.
Premises (18 of 142 shown)
Name
Details
UPRN 10033526820
UPRN 10033526821
UPRN 10033529163
UPRN 10033548200
UPRN 10033550824
UPRN 10033550825
UPRN 10033550826
UPRN 10033556350
UPRN 10033556351
UPRN 10033556821
UPRN 10033526820
UPRN 10033526821
UPRN 10033529163
Show all 10 rows
UPRN 10033548200
UPRN 10033550824
UPRN 10033550825
UPRN 10033550826
UPRN 10033556350
UPRN 10033556351
UPRN 10033556821
Planning
What happened?
66 planning applications across the postcode; 43 approved of 62 decided (69.4%). Latest 30 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Erection of single-storey full width rear extension at ground floor level; erection of rear dormer extension with front roof lights; conversion from a single dwelling house into three self-contained flats (Use Class C3); installation of refuse and cycle storage in front and rear gardens.
186 Ashmore Road London W9 3DE · premises record
Full Planning Permission Application
Approved
2025-10-21
Formation of dormer window to the rear roof slope at 2nd floor level and two roof lights to the front elevation.
Second Floor Front Studio Flat 148 Ashmore Road London W9 3DE · premises record
Full Planning Permission Application
Approved
2023-07-13
Use of building as 1 x studio flat and 4 x bedsits.
148 Ashmore Road London W9 3DE · premises record
Certificate of Lawfulness (existing)
Approved
2023-03-30
Use of part of second floor level as studio unit (Class C3)
148 Ashmore Road London W9 3DE · premises record
Certificate of Lawfulness (existing)
Approved
2022-11-04
Installation of window with obscure glass to side of rear closet wing at first floor level and installation of two rooflights to front slope.
Flat 3 156 Ashmore Road London W9 3DE · premises record
Full Planning Permission Application
Approved
2022-03-22
Amendments to planning permission dated 10 July 2020 (RN: 20/01752/FULL) for the: Installation of dormer windows to flat 3 to the rear in connection with the loft conversion. Namely, to allow the provision of new window with obscure glass to side of rear closet wing at first floor level and two new rooflights at front slope.
Flat 3 156 Ashmore Road London W9 3DE · premises record
Non-material amendments
Refused
2022-02-06
Erection of a roof extension and creation of a roof terrace to the rear (Works to Flat 3)
156 Ashmore Road London W9 3DE · premises record
Applicant Westminster Housing Solutions Ltd · Agent UPP - Urban Planning Practice · Officer Fergus Wong
Full Planning Permission Application
Withdrawn
2020-03-26
Installation of dormer windows to flat 3 to the rear in connection with the loft conversion.
Flat 3 156 Ashmore Road London W9 3DE · premises record
Applicant Westminster Housing Solutions Ltd · Agent UPP - Urban Planning Practice · Officer Fergus Wong
Full Planning Permission Application
Approved
2020-03-10
Erection of single storey rear extension at ground floor level.
Flat 1 156 Ashmore Road London W9 3DE · premises record
Full Planning Permission Application
Approved
2020-01-13
Erection of a single storey rear extension at ground floor level.
Flat 1 158 Ashmore Road London W9 3DE · premises record
Full Planning Permission Application
Approved
2019-07-10
Erection of single-storey full width rear extension at ground floor level; erection of rear dormer extension with front roof lights; conversion from a single dwelling house into three self-contained flats (Use Class C3); installation of refuse and cycle storage in front and rear gardens.
186 Ashmore Road London W9 3DE · premises record
Approved
2025-10-21
More
Full Planning Permission Application
Formation of dormer window to the rear roof slope at 2nd floor level and two roof lights to the front elevation.
Second Floor Front Studio Flat 148 Ashmore Road London W9 3DE · premises record
Approved
2023-07-13
More
Full Planning Permission Application
Use of building as 1 x studio flat and 4 x bedsits.
148 Ashmore Road London W9 3DE · premises record
Approved
2023-03-30
More
Certificate of Lawfulness (existing)
Show all 10 rows
Use of part of second floor level as studio unit (Class C3)
148 Ashmore Road London W9 3DE · premises record
Approved
2022-11-04
More
Certificate of Lawfulness (existing)
Installation of window with obscure glass to side of rear closet wing at first floor level and installation of two rooflights to front slope.
Flat 3 156 Ashmore Road London W9 3DE · premises record
Approved
2022-03-22
More
Full Planning Permission Application
Amendments to planning permission dated 10 July 2020 (RN: 20/01752/FULL) for the: Installation of dormer windows to flat 3 to the rear in connection with the loft conversion. Namely, to allow the provision of new window with obscure glass to side of rear closet wing at first floor level and two new rooflights at front slope.
Flat 3 156 Ashmore Road London W9 3DE · premises record
Refused
2022-02-06
More
Non-material amendments
Erection of a roof extension and creation of a roof terrace to the rear (Works to Flat 3)
156 Ashmore Road London W9 3DE · premises record
Applicant Westminster Housing Solutions Ltd · Agent UPP - Urban Planning Practice · Officer Fergus Wong
Withdrawn
2020-03-26
More
Full Planning Permission Application
Installation of dormer windows to flat 3 to the rear in connection with the loft conversion.
Flat 3 156 Ashmore Road London W9 3DE · premises record
Applicant Westminster Housing Solutions Ltd · Agent UPP - Urban Planning Practice · Officer Fergus Wong
Approved
2020-03-10
More
Full Planning Permission Application
Erection of single storey rear extension at ground floor level.
Flat 1 156 Ashmore Road London W9 3DE · premises record
Approved
2020-01-13
More
Full Planning Permission Application
Erection of a single storey rear extension at ground floor level.
Flat 1 158 Ashmore Road London W9 3DE · premises record
Approved
2019-07-10
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 142 premises each one covers.
Designation
Coverage
Article 4 Direction Area
Article 4 Basement Development Permitted Rights Removed · reference 23/00006/REG_4 · covers 142 of 142 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 142 of 142 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
Applicant on 2 applications
Applicant on 2 applications
Applicant on 2 applications
Applicant on 2 applications
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 2 applications
Applicant on 2 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
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Development
What could it become?
Planning precedent66 applications and 67 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy60 EPC records; ratings C: 26, D: 31, E: 2, G: 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.
14 intent signals recorded in this postcode
Price decline · Repeat sale · Application withdrawn · EPC F/G · Long hold
Subscribe to see the signals →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.