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Postcode record · Westminster

W9 3BN.

W9 3BN has 158 known premises and 55 planning records — 28 approved of 41 decided (68.3%). 81 EPC records.

Postcode W9 3BN · boundary not held, centred on the postcodeApprovedRefusedOther55 exact55 on the map — every match
At a glance · this postcodeWestminster profile →
158
Premises
known addresses (UPRNs)
55
Applications
41 decided
68.3%
Approval rate
28 approved · 13 refused
81
EPC records
ratings C 35 · D 39 · E 6 · F 1
55
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 3BN has 158 known premises and 55 planning records — 28 approved of 41 decided (68.3%). 81 EPC records.

Premises (18 of 158 shown)

Name
Details
UPRN 10033526746
UPRN 10033548740
UPRN 10033551730
UPRN 10033552766
UPRN 10033552774
UPRN 10033552775
UPRN 10033552776
UPRN 10033552777
UPRN 10033556480
UPRN 10033556481
UPRN 10033526746
UPRN 10033548740
UPRN 10033551730
Show all 10 rows
UPRN 10033552766
UPRN 10033552774
UPRN 10033552775
UPRN 10033552776
UPRN 10033552777
UPRN 10033556480
UPRN 10033556481
Planning

What happened?

55 planning applications across the postcode; 28 approved of 41 decided (68.3%). Latest 30 shown.

Reference
Proposal · address
Type
Outcome
Date · distance
Erection of rear dormer roof extension and formation of third floor roof terrace to second floor flat, including installation of rooflights.
Second Floor Flat 141 Portnall Road London W9 3BN · premises record
Full Planning Permission Application
Refused
2026-03-30
Erection of a single-storey ground floor rear/side extension.
193A Portnall Road London W9 3BN · premises record
Applicant Mr Lesflores · Officer Stuart Croll
Full Planning Permission Application
Approved
2026-02-16
Refurbishment of top floor maisonette, including the demolition and rebuilding of existing rear terrace conservatory, new rear loft dormer, and new metal balustrade to existing roof terrace.
Second Floor Flat 163 Portnall Road London W9 3BN · premises record
Full Planning Permission Application
Pending
2025-12-12
Construction of a full-width rear dormer extension to provide additional habitable accommodation at roof level, including extension of party walls in matching materials, associated alterations and installation of sash windows.
135 Portnall Road London W9 3BN · premises record
Applicant Mr Justin Shee · Agent Kennedy Woods · Officer Avani Raven
Full Planning Permission Application
Refused
2025-07-10
Replacement of all existing windows and selected doors with new slimline uPVC sash and casement windows and composite doors, include minor enlargement of some rear openings.
135 Portnall Road London W9 3BN · premises record
Applicant Mr Justin Shee · Agent Kennedy Woods · Officer Stuart Croll
Full Planning Permission Application
Approved
2025-07-10
Erection of rear dormer and installation of rooflight to front roofslope.
Second Floor Flat 161 Portnall Road London W9 3BN · premises record
Applicant Mr & Mrs A · Agent HOME EXTENSION DESIGNS LTD · Officer Ernie Cheung
Full Planning Permission Application
Approved
2023-10-23
Erection of a single storey wraparound extension at ground floor, layout alterations, and associated works.
Ground Floor Flat 151 Portnall Road London W9 3BN · premises record
Applicant Ms Jen Coyne · Agent Resi · Officer Christina Sriramula
Full Planning Permission Application
Withdrawn
2021-08-09
Erection of a single storey rear infill extension at ground floor level.
Ground Floor Flat 175 Portnall Road London W9 3BN · premises record
Applicant MRS GILL · Agent damon peddar · Officer Max Jones
Full Planning Permission Application
Approved
2020-12-29
Installation of railings to existing first floor roof terrace.
143B Portnall Road London W9 3BN · premises record
Applicant MR BELLMAN · Agent damon peddar · Officer Fergus Wong
Full Planning Permission Application
Withdrawn
2020-06-04
Erection of single storey full width extension to ground floor flat at the rear.
Flat 2 195 Portnall Road London W9 3BN · premises record
Applicant Mr dinos FRANTZIDES · Officer Aaron Henecke
Full Planning Permission Application
Withdrawn
2019-03-19
Erection of rear dormer roof extension and formation of third floor roof terrace to second floor flat, including installation of rooflights.
Second Floor Flat 141 Portnall Road London W9 3BN · premises record
Refused
2026-03-30
More
Full Planning Permission Application
Erection of a single-storey ground floor rear/side extension.
193A Portnall Road London W9 3BN · premises record
Applicant Mr Lesflores · Officer Stuart Croll
Approved
2026-02-16
More
Full Planning Permission Application
Refurbishment of top floor maisonette, including the demolition and rebuilding of existing rear terrace conservatory, new rear loft dormer, and new metal balustrade to existing roof terrace.
Second Floor Flat 163 Portnall Road London W9 3BN · premises record
Pending
2025-12-12
More
Full Planning Permission Application
Show all 10 rows
Construction of a full-width rear dormer extension to provide additional habitable accommodation at roof level, including extension of party walls in matching materials, associated alterations and installation of sash windows.
135 Portnall Road London W9 3BN · premises record
Applicant Mr Justin Shee · Agent Kennedy Woods · Officer Avani Raven
Refused
2025-07-10
More
Full Planning Permission Application
Replacement of all existing windows and selected doors with new slimline uPVC sash and casement windows and composite doors, include minor enlargement of some rear openings.
135 Portnall Road London W9 3BN · premises record
Applicant Mr Justin Shee · Agent Kennedy Woods · Officer Stuart Croll
Approved
2025-07-10
More
Full Planning Permission Application
Erection of rear dormer and installation of rooflight to front roofslope.
Second Floor Flat 161 Portnall Road London W9 3BN · premises record
Applicant Mr & Mrs A · Agent HOME EXTENSION DESIGNS LTD · Officer Ernie Cheung
Approved
2023-10-23
More
Full Planning Permission Application
Erection of a single storey wraparound extension at ground floor, layout alterations, and associated works.
Ground Floor Flat 151 Portnall Road London W9 3BN · premises record
Applicant Ms Jen Coyne · Agent Resi · Officer Christina Sriramula
Withdrawn
2021-08-09
More
Full Planning Permission Application
Erection of a single storey rear infill extension at ground floor level.
Ground Floor Flat 175 Portnall Road London W9 3BN · premises record
Applicant MRS GILL · Agent damon peddar · Officer Max Jones
Approved
2020-12-29
More
Full Planning Permission Application
Installation of railings to existing first floor roof terrace.
143B Portnall Road London W9 3BN · premises record
Applicant MR BELLMAN · Agent damon peddar · Officer Fergus Wong
Withdrawn
2020-06-04
More
Full Planning Permission Application
Erection of single storey full width extension to ground floor flat at the rear.
Flat 2 195 Portnall Road London W9 3BN · premises record
Applicant Mr dinos FRANTZIDES · Officer Aaron Henecke
Withdrawn
2019-03-19
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 158 premises each one covers.

Designation
Coverage
Article 4 Direction Area
Article 4 Basement Development Permitted Rights Removed · reference 23/00006/REG_4 · covers 158 of 158 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 158 of 158 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 1 application
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 1 application
Applicant on 2 applications
Applicant on 2 applications
Applicant on 1 application
Show all 10 rows
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 1 application
Development

What could it become?

Planning precedent55 applications and 55 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy81 EPC records; ratings C: 35, D: 39, E: 6, F: 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

The Developer Plan

Ownership, finance and market signals recorded at addresses in this postcode — each with date and source. Signals are evidence of change, not a prediction.

25 intent signals recorded in this postcode
Beatable refusal · Charge registered · Portfolio seller · Price decline · EPC F/G · Repeat sale · Application withdrawn · 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.
W9 3BN, Westminster: Planning and Property History | Planning Atlas