Postcode record · Westminster
W9 1AS.
W9 1AS has 13 known premises and 9 planning records — 6 approved of 7 decided (85.7%). 8 EPC records.
Postcode W9 1AS · boundary not held, centred on the postcodeApprovedRefusedOther9 exact9 on the map — every match
At a glance · this postcodeWestminster profile →
13
Premises
known addresses (UPRNs)
9
Applications
7 decided
85.7%
Approval rate
6 approved · 1 refused
8
EPC records
ratings C 4 · D 4
9
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 1AS has 13 known premises and 9 planning records — 6 approved of 7 decided (85.7%). 8 EPC records.
Premises
Name
Details
UPRN 10033532644
UPRN 10033532646
UPRN 10033562906
UPRN 100022737287
UPRN 100022737288
UPRN 100022737289
UPRN 100022737290
UPRN 100022737291
UPRN 100022737292
UPRN 100022737293
UPRN 10033532644
UPRN 10033532646
UPRN 10033562906
Show all 10 rows
UPRN 100022737287
UPRN 100022737288
UPRN 100022737289
UPRN 100022737290
UPRN 100022737291
UPRN 100022737292
UPRN 100022737293
Planning
What happened?
9 planning applications across the postcode; 6 approved of 7 decided (85.7%). Latest 9 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
1 x sorbus (T1): Crown reduce by 1m; maintaining a balanced, aesthetically pleasing shape.
55 Clifton Gardens London W9 1AS · premises record
Applic. for wks to trees subject to TPO
Approved
2025-06-19
1 x Holly (T2): Crown reduce by approx. 0.5 metres and selective pruning to create clearance from adjacent T1 (Sorbus).
55 Clifton Gardens London W9 1AS · premises record
Applic. for works to trees in CA
No objection
2025-06-19
Detailed drawings of roof light pursuant to condition 4 of planning permission dated 03/03/2015 (RN:14/12543)
53 Clifton Gardens London W9 1AS · premises record
Approval of Details (Full PP)
Approved
2016-07-05
Details of drawings showing the following alterations to the scheme - the rooflight shall be flush to the roof and not protrude above it pursuant to Condition 4 of planning permission dated 03 March 2015 (RN: 14/12543/FULL).
53 Clifton Gardens London · premises record
Approval of Details (Full PP)
Refused
2016-05-12
Installation of 2no. dormer windows to side roofslope and 1no. rooflight to enlarge Flat A.
53 Clifton Gardens London · premises record
Full Planning Permission Application
Approved
2014-12-19
3 x whitebeams: crown reduce to previous reduction points; thin 20%. 1 x golden false acacia: fell
55 Clifton Gardens London W9 1AS · premises record
Applic. for wks to trees subject to TPO
Approved
2013-04-08
3 x Whitebeam (T1, T2 & T3 (Front): Reduce crowns by 25% and clean out crowns. 1 x False Acacia (T4) (Front): Reduce crown by 20% and carry out inspection.
55 Clifton Gardens London W9 1AS · premises record
Tree works
Unknown
2008-10-22
Excavation of existing front elevation vault and installation of door and windows at basement level to front lightwell below ground floor entrance staircase.
53H Clifton Gardens London W9 1AS · premises record
Full Planning Permission Application
Approved
2006-04-05
CROWN LIFT/THIN & REDUCE 3 SWEDISH WHITEBEAMS. REDUCE & SHAPE ROBINIA
53 Clifton Gardens London W9 1AS · premises record
Applic. for wks to trees subject to TPO
Approved
1997-12-04
1 x sorbus (T1): Crown reduce by 1m; maintaining a balanced, aesthetically pleasing shape.
55 Clifton Gardens London W9 1AS · premises record
Approved
2025-06-19
More
Applic. for wks to trees subject to TPO
1 x Holly (T2): Crown reduce by approx. 0.5 metres and selective pruning to create clearance from adjacent T1 (Sorbus).
55 Clifton Gardens London W9 1AS · premises record
No objection
2025-06-19
More
Applic. for works to trees in CA
Detailed drawings of roof light pursuant to condition 4 of planning permission dated 03/03/2015 (RN:14/12543)
53 Clifton Gardens London W9 1AS · premises record
Approved
2016-07-05
More
Approval of Details (Full PP)
Show all 9 rows
Details of drawings showing the following alterations to the scheme - the rooflight shall be flush to the roof and not protrude above it pursuant to Condition 4 of planning permission dated 03 March 2015 (RN: 14/12543/FULL).
53 Clifton Gardens London · premises record
Refused
2016-05-12
More
Approval of Details (Full PP)
Installation of 2no. dormer windows to side roofslope and 1no. rooflight to enlarge Flat A.
53 Clifton Gardens London · premises record
Approved
2014-12-19
More
Full Planning Permission Application
3 x whitebeams: crown reduce to previous reduction points; thin 20%. 1 x golden false acacia: fell
55 Clifton Gardens London W9 1AS · premises record
Approved
2013-04-08
More
Applic. for wks to trees subject to TPO
3 x Whitebeam (T1, T2 & T3 (Front): Reduce crowns by 25% and clean out crowns. 1 x False Acacia (T4) (Front): Reduce crown by 20% and carry out inspection.
55 Clifton Gardens London W9 1AS · premises record
Unknown
2008-10-22
More
Tree works
Excavation of existing front elevation vault and installation of door and windows at basement level to front lightwell below ground floor entrance staircase.
53H Clifton Gardens London W9 1AS · premises record
Approved
2006-04-05
More
Full Planning Permission Application
CROWN LIFT/THIN & REDUCE 3 SWEDISH WHITEBEAMS. REDUCE & SHAPE ROBINIA
53 Clifton Gardens London W9 1AS · premises record
Approved
1997-12-04
More
Applic. for wks to trees subject to TPO
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 13 premises each one covers.
Designation
Coverage
Article 4 Direction Area
Article 4 Basement Development Permitted Rights Removed · reference 23/00006/REG_4 · covers 13 of 13 premises. Some normally permitted changes may require planning permission.
Conservation Area
Maida Vale · reference 08/01080/CONARA · covers 13 of 13 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
Article 4 Direction Area
Article 4 Basement Development Permitted Rights Removed · reference 23/00006/REG_4 · covers 13 of 13 premises. Some normally permitted changes may require planning permission.
Conservation Area
Maida Vale · reference 08/01080/CONARA · covers 13 of 13 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
Nearby postcodes and streets
Walk to the next area — linked where the Atlas has a record for it (pilot borough only for now).
Clifton Road0 mClifton Gardens0 mRandolph Avenue0 mClifton Gardens Service Road10 mElizabeth Close19 mClarendon Gardens41 mBrowning Close53 m
People
Who is involved?
Named on the latest 9 applications in this postcode — the party who applied, not the owner or occupier.
Name
Details
Applicant on 3 applications
Applicant on 2 applications
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Agent on 3 applications
Agent on 2 applications
Agent on 1 application
Agent on 1 application
Agent on 1 application
Applicant on 3 applications
Applicant on 2 applications
Applicant on 1 application
Show all 10 rows
Applicant on 1 application
Applicant on 1 application
Agent on 3 applications
Agent on 2 applications
Agent on 1 application
Agent on 1 application
Agent on 1 application
Development
What could it become?
Planning precedent9 applications and 9 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy8 EPC records; ratings C: 4, D: 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 ProOwnership, finance and market signals recorded at addresses in this postcode — each with date and source. Signals are evidence of change, not a prediction.
Thinking about a project here?
How long would a planning application take here? →
Westminster's real decision times and approval rates, measured from the record — not the statutory target.
Why do applications around here get refused? →
The most common refusal grounds in Westminster, by year and scheme type — the risks to know before applying.
Boundary: OS Postcode Unit areas (Ordnance Survey), 2026-08-14. Planning records: canonical stage2. EPC: EPC register. Premises: OS AddressBase / UPRN.