Premises record · Westminster
149, PORTNALL ROAD, London, W9 3BN.
This is a permanent Atlas premises record. No planning application is confidently linked to this UPRN.
ApprovedRefusedOther
At a glance · this premisesWestminster profile →
0
Applications
no decided records
0
Recorded sales
no exact UPRN match
—
Current EPC
not yet recorded
1
Constraints
mapped and council records
0
Companies
exact address connections
0
Intent signals
none recorded
Address and planning records attached to UPRN 10033552766. Land boundaries are context only; no parcel ownership or occupation is asserted.
Property
What is it?
This is a permanent Atlas premises record. No planning application is confidently linked to this UPRN.
Sales history
No sale matched to this exact UPRN.
Companies and owners
No company connection matched to this exact UPRN.
Energy record
No EPC record joined to this UPRN.
OS AddressBase PremiumSource ID 10033552766 · builtaddress · confidence 100%
Planning
What happened?
No planning history is confidently linked to this premises.
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?
Designation
What it means here
Article 4 Direction Area
Article 4 Basement Development Permitted Rights Removed · reference 23/00006/REG_4 · mapped at this premises location. Some normally permitted changes may require planning permission.
Article 4 Direction Area
Article 4 Basement Development Permitted Rights Removed · reference 23/00006/REG_4 · mapped at this premises location. Some normally permitted changes may require planning permission.
Applications within 250 metres
Reference
Proposal · address
Type
Outcome
Date · distance
Installation of replacment windows with powder coated aluminium frames.
Flats 1 - 10 Portnall House Portnall Road London W9 3BH
Full Application for Council's Own Dev.
Approved
2003-01-16
32 m
32 m
Loft conversion with dormer window at rear and insertion of rooflight at front.
First Floor And Second Floor 196 Ashmore Road London W9 3DE
Full
Unknown
—
39 m
39 m
Installation of railings and French doors to create rear balcony at first floor level, raising of party wall with No.206.
208 Ashmore Road London W9 3DE
Full
Unknown
—
39 m
39 m
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
Full Planning Permission Application
Approved
2025-10-21
39 m
39 m
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
Full Planning Permission Application
Approved
2023-07-13
39 m
39 m
Use of building as 1 x studio flat and 4 x bedsits.
148 Ashmore Road London W9 3DE
Certificate of Lawfulness (existing)
Approved
2023-03-30
39 m
39 m
Use of part of second floor level as studio unit (Class C3)
148 Ashmore Road London W9 3DE
Certificate of Lawfulness (existing)
Approved
2022-11-04
39 m
39 m
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
Full Planning Permission Application
Approved
2022-03-22
39 m
39 m
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
Non-material amendments
Refused
2022-02-06
39 m
39 m
Erection of a roof extension and creation of a roof terrace to the rear (Works to Flat 3)
156 Ashmore Road London W9 3DE
Full Planning Permission Application
Withdrawn
2020-03-26
39 m
39 m
Installation of replacment windows with powder coated aluminium frames.
Flats 1 - 10 Portnall House Portnall Road London W9 3BH
Approved
2003-01-16
32 m
32 m
More
Full Application for Council's Own Dev.
Loft conversion with dormer window at rear and insertion of rooflight at front.
First Floor And Second Floor 196 Ashmore Road London W9 3DE
Unknown
—
39 m
39 m
More
Full
Installation of railings and French doors to create rear balcony at first floor level, raising of party wall with No.206.
208 Ashmore Road London W9 3DE
Unknown
—
39 m
39 m
More
Full
Show all 10 rows
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
Approved
2025-10-21
39 m
39 m
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
Approved
2023-07-13
39 m
39 m
More
Full Planning Permission Application
Use of building as 1 x studio flat and 4 x bedsits.
148 Ashmore Road London W9 3DE
Approved
2023-03-30
39 m
39 m
More
Certificate of Lawfulness (existing)
Use of part of second floor level as studio unit (Class C3)
148 Ashmore Road London W9 3DE
Approved
2022-11-04
39 m
39 m
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
Approved
2022-03-22
39 m
39 m
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
Refused
2022-02-06
39 m
39 m
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
Withdrawn
2020-03-26
39 m
39 m
More
Full Planning Permission Application
Nearby premises
Addresses within 120 m that carry planning applications — linked where they have their own Atlas record.
Name
Details
Flats 1 - 10 Portnall House Portnall Road London W9 3BH
1 application · 32 m away
182 Ashmore Road London W9 3DE
5 applications · 39 m away
Flat 3 156 Ashmore Road London W9 3DE
3 applications · 39 m away
148 Ashmore Road London W9 3DE
3 applications · 39 m away
208 Ashmore Road London W9 3DE
3 applications · 39 m away
190 Ashmore Road London W9 3DE
3 applications · 39 m away
138 Ashmore Road London W9 3DE
3 applications · 39 m away
178 Ashmore Road London W9 3DE
3 applications · 39 m away
170 Ashmore Road London W9 3DE
3 applications · 39 m away
166 Ashmore Road London W9 3DE
3 applications · 39 m away
Flats 1 - 10 Portnall House Portnall Road London W9 3BH
1 application · 32 m away
182 Ashmore Road London W9 3DE
5 applications · 39 m away
Flat 3 156 Ashmore Road London W9 3DE
3 applications · 39 m away
Show all 10 rows
148 Ashmore Road London W9 3DE
3 applications · 39 m away
208 Ashmore Road London W9 3DE
3 applications · 39 m away
190 Ashmore Road London W9 3DE
3 applications · 39 m away
138 Ashmore Road London W9 3DE
3 applications · 39 m away
178 Ashmore Road London W9 3DE
3 applications · 39 m away
170 Ashmore Road London W9 3DE
3 applications · 39 m away
166 Ashmore Road London W9 3DE
3 applications · 39 m away
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?
Ward councillors
Queen's Park ward · Labour control · Labour council · source: ONS ward boundary joined to the verified property coordinate
Name
Details
Labour · Queen's Park ward councillor · no recorded planning-committee intervention
Labour · Queen's Park ward councillor · no recorded planning-committee intervention
Labour · Queen's Park ward councillor · no recorded planning-committee intervention
Labour · Queen's Park ward councillor · no recorded planning-committee intervention
Labour · Queen's Park ward councillor · no recorded planning-committee intervention
Labour · Queen's Park ward councillor · no recorded planning-committee intervention
Applicants on linked applications
No applicant is known because no application is confidently linked to this premises.
Agents and case officers
No agent or case officer is recorded on the linked applications.
Companies and directors at this address
Companies House registered office or a director’s service address at this exact address — an official connection, not proof of ownership, trading or residence.
No company or director is registered at this exact address in the Companies House and Land Registry data we hold.
Development
What could it become?
This section brings together the evidence that shapes future development without inventing a development capacity or recommendation.
Planning precedentNo application is confidently attached to this premises; nearby decisions provide area context only.
Physical and policy controls1 mapped or council-recorded control currently shape the evidence base.
Energy potentialNo EPC evidence is joined to this UPRN yet.
What remains unprovenNo site capacity, lawful use, ownership intention or development recommendation is asserted until the relevant building, title, policy and comparable evidence is verified.
Intent signals · Planning Atlas Pro
Ownership, finance and market signals recorded at this exact address, on its land parcel, or against companies named on its applications — each with date and source. Signals are evidence of change, not a prediction.
No intent signal is currently recorded for this premises.