Postcode record · Westminster
W9 1JW.
W9 1JW has 13 known premises and 106 planning records — 50 approved of 93 decided (53.8%). 7 EPC records.
No OS boundary is held for this postcode yet, so no shape is drawn.
At a glance · this postcodeWestminster profile →
13
Premises
known addresses (UPRNs)
106
Applications
93 decided
53.8%
Approval rate
50 approved · 8 refused
7
EPC records
ratings D 3 · E 4
0
Mapped applications
shape not available
Postcode unit boundary from Ordnance Survey; premises and applications inside it. Aggregates describe the area, not any single premises.
Property
What is it?
W9 1JW has 13 known premises and 106 planning records — 50 approved of 93 decided (53.8%). 7 EPC records.
Premises
Name
Details
UPRN 100022723214
UPRN 100022723216
UPRN 100022723217
UPRN 100022723219
UPRN 100022723221
UPRN 100022723223
UPRN 100022723225
UPRN 100022723227
UPRN 100022723229
UPRN 100022723231
UPRN 100022723214
UPRN 100022723216
UPRN 100022723217
Show all 10 rows
UPRN 100022723219
UPRN 100022723221
UPRN 100022723223
UPRN 100022723225
UPRN 100022723227
UPRN 100022723229
UPRN 100022723231
Planning
What happened?
106 planning applications across the postcode; 50 approved of 93 decided (53.8%). Latest 30 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
T1 - X10 Laurels - Laurus nobilis - Reducing height by 2m, back to previous pruning points leaving buds to encourage regrowth. Leaving the trees a standing height of 6m
1 Ashworth Road W9 1JW · premises record
Applic. for works to trees in CA
Withdrawn
2026-04-22
Construction of a garden outbuilding.
13 Ashworth Road W9 1JW · premises record
Applicant Mr and Mrs Basil and Lina Eggenschwyler and Khayatt · Agent LSD Architects · Officer Stuart Croll
Certificate of Lawfulness (proposed)
Approved
2025-10-10
3 x Poplar: Prune back to most recent, previous reduction points.
25 Ashworth Road W9 1JW · premises record
Applicant Henry Twynam Henry Twynam · Officer Rosalie Dobson
Applic. for works to trees in CA
No objection
2025-08-13
Insertion of new rooflights in the existing roof.
13 Ashworth Road W9 1JW · premises record
Applicant Mr and Mrs Basil and Lina Eggenschwyler and Khayatt · Agent LSD Architects · Officer Stuart Croll
Certificate of Lawfulness (proposed)
Approved
2025-06-09
Erection of a single storey rear extension at ground floor level.
13 Ashworth Road W9 1JW · premises record
Applicant Mr and Mrs Basil and Lina Eggenschwyler and Khayatt · Agent LSD Architects · Officer Jack Morris
Full Planning Permission Application
Approved
2025-06-09
Installation of an air conditioning condenser unit in the rear garden.
13 Ashworth Road W9 1JW · premises record
Applicant Mr and Mrs Basil and Lina Eggenschwyler and Khayatt · Agent LSD Architects · Officer Jack Morris
Full Planning Permission Application
Approved
2025-03-07
Erection of dormer window to rear roof slope.
13 Ashworth Road W9 1JW · premises record
Applicant Mr and Mrs Basil and Lina Eggenschwyler and Khayatt · Agent LSD Architects · Officer Jack Morris
Full Planning Permission Application
Approved
2024-11-20
Erection of roof extension with dormer in rear roof slope.
13 Ashworth Road W9 1JW · premises record
Applicant Mr and Mrs Basil and Lina Eggenschwyler and Khayatt · Agent LSD Architects · Officer Jack Morris
Full Planning Permission Application
Refused
2024-11-20
Installation of replacement windows and front door.
13 Ashworth Road W9 1JW · premises record
Applicant Mr and Mrs Basil and Lina Eggenschwyler and Khayatt · Agent LSD Architects · Officer Stuart Croll
Full Planning Permission Application
Approved
2024-10-28
Alteration of existing window openings and replacement with timber double glazed window, to front and rear.
13 Ashworth Road W9 1JW · premises record
Applicant Mr and Mrs Basil and Lina Eggenschwyler and Khayatt · Agent LSD Architects · Officer Stuart Croll
Certificate of Lawfulness (proposed)
Approved
2024-10-28
T1 - X10 Laurels - Laurus nobilis - Reducing height by 2m, back to previous pruning points leaving buds to encourage regrowth. Leaving the trees a standing height of 6m
1 Ashworth Road W9 1JW · premises record
Withdrawn
2026-04-22
More
Applic. for works to trees in CA
Construction of a garden outbuilding.
13 Ashworth Road W9 1JW · premises record
Applicant Mr and Mrs Basil and Lina Eggenschwyler and Khayatt · Agent LSD Architects · Officer Stuart Croll
Approved
2025-10-10
More
Certificate of Lawfulness (proposed)
3 x Poplar: Prune back to most recent, previous reduction points.
25 Ashworth Road W9 1JW · premises record
Applicant Henry Twynam Henry Twynam · Officer Rosalie Dobson
No objection
2025-08-13
More
Applic. for works to trees in CA
Show all 10 rows
Insertion of new rooflights in the existing roof.
13 Ashworth Road W9 1JW · premises record
Applicant Mr and Mrs Basil and Lina Eggenschwyler and Khayatt · Agent LSD Architects · Officer Stuart Croll
Approved
2025-06-09
More
Certificate of Lawfulness (proposed)
Erection of a single storey rear extension at ground floor level.
13 Ashworth Road W9 1JW · premises record
Applicant Mr and Mrs Basil and Lina Eggenschwyler and Khayatt · Agent LSD Architects · Officer Jack Morris
Approved
2025-06-09
More
Full Planning Permission Application
Installation of an air conditioning condenser unit in the rear garden.
13 Ashworth Road W9 1JW · premises record
Applicant Mr and Mrs Basil and Lina Eggenschwyler and Khayatt · Agent LSD Architects · Officer Jack Morris
Approved
2025-03-07
More
Full Planning Permission Application
Erection of dormer window to rear roof slope.
13 Ashworth Road W9 1JW · premises record
Applicant Mr and Mrs Basil and Lina Eggenschwyler and Khayatt · Agent LSD Architects · Officer Jack Morris
Approved
2024-11-20
More
Full Planning Permission Application
Erection of roof extension with dormer in rear roof slope.
13 Ashworth Road W9 1JW · premises record
Applicant Mr and Mrs Basil and Lina Eggenschwyler and Khayatt · Agent LSD Architects · Officer Jack Morris
Refused
2024-11-20
More
Full Planning Permission Application
Installation of replacement windows and front door.
13 Ashworth Road W9 1JW · premises record
Applicant Mr and Mrs Basil and Lina Eggenschwyler and Khayatt · Agent LSD Architects · Officer Stuart Croll
Approved
2024-10-28
More
Full Planning Permission Application
Alteration of existing window openings and replacement with timber double glazed window, to front and rear.
13 Ashworth Road W9 1JW · premises record
Applicant Mr and Mrs Basil and Lina Eggenschwyler and Khayatt · Agent LSD Architects · Officer Stuart Croll
Approved
2024-10-28
More
Certificate of Lawfulness (proposed)
Building control
Building-control applications and notices in this postcode, from the council register.
Name
Details
Single storey rear extension and dormer extension to existing loft conversion. Works to include new gallery in existing first floor bedroom and Internal alterations throughout including formation of new WC and utility at ground floor level. All associated works included · received 3 Mar 2026
Formation of basement creating habitable accommodation, extension and alterations with reconfiguration and new loft accommodation to fully refurbish the existing dwelling forming a three storey plus basement single family dwelling with new services and landscaping. The work excludes any gas work subject to the Gas Safety (Installation and Use) Regulations 1998 and electrical work notifiable under the Building Regulation 12(6A). · received 15 Nov 2022
Ground floor rear extension, rear dormers, internal refurbishment works and outbuilding. · received 7 Jun 2022
Single storey rear extension and dormer extension to existing loft conversion. Works to include new gallery in existing first floor bedroom and Internal alterations throughout including formation of new WC and utility at ground floor level. All associated works included · received 3 Mar 2026
Formation of basement creating habitable accommodation, extension and alterations with reconfiguration and new loft accommodation to fully refurbish the existing dwelling forming a three storey plus basement single family dwelling with new services and landscaping. The work excludes any gas work subject to the Gas Safety (Installation and Use) Regulations 1998 and electrical work notifiable under the Building Regulation 12(6A). · received 15 Nov 2022
Ground floor rear extension, rear dormers, internal refurbishment works and outbuilding. · received 7 Jun 2022
Place
What affects it?
Designations are shown per premises today (open any premises above); the postcode-level designation summary is built with the borough entity run. Use the map's designations filter to see them over the postcode 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 10 applications
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 10 applications
Applicant on 2 applications
Applicant on 2 applications
Show all 10 rows
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
Development
What could it become?
Planning precedent106 applications and 0 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy7 EPC records; ratings D: 3, E: 4.
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 Pro
Ownership, finance and market signals recorded at addresses in this postcode — each with date and source. Signals are evidence of change, not a prediction.
Planning records: canonical stage2. EPC: EPC register. Premises: OS AddressBase / UPRN.