Postcode record · Kensington And Chelsea
SW3 1AR.
SW3 1AR has 14 known premises and 9 planning records — 8 approved of 8 decided (100%). 8 EPC records.
Postcode SW3 1AR · boundary not held, centred on the postcodeApprovedRefusedOther9 on the map — every match
At a glance · this postcodeKensington And Chelsea profile →
14
Premises
known addresses (UPRNs)
9
Applications
8 decided
100%
Approval rate
8 approved · 0 refused
56 days
Median decision time
average 82 days · 9 dated decisions
8
EPC records
ratings B 1 · C 3 · D 3 · E 1
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?
SW3 1AR has 14 known premises and 9 planning records — 8 approved of 8 decided (100%). 8 EPC records.
Premises
Name
Details
UPRN 217003453
UPRN 217003454
UPRN 217003455
UPRN 217003456
UPRN 217003457
UPRN 217003458
UPRN 217003459
UPRN 217003460
UPRN 217003461
UPRN 217003462
UPRN 217003453
UPRN 217003454
UPRN 217003455
Show all 10 rows
UPRN 217003456
UPRN 217003457
UPRN 217003458
UPRN 217003459
UPRN 217003460
UPRN 217003461
UPRN 217003462
Planning
What happened?
9 planning applications across the postcode; 8 approved of 8 decided (100%). Latest 9 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Prune 3 x Silver Birch in rear garden.
Washington House, Basil Street, London · premises record
Officer Angus Morrison
Prune
No objection
2025-10-10
Erection of infill extension at rear side of roof terrace at sixth floor level
Flat 12, Washington House, Basil Street, London, SW3 1AR · premises record
Officer Ben Brockey
Planning Permission
Approved
2024-11-15
Replacement of double glazed bifold patio doors (4 panels) with UPVC double glazed sliding doors (2 panels)
Flat 11, Washington House, Basil Street, London, SW3 1AR · premises record
Planning Permission
Approved
2014-03-26
Replacement of timber panels with new glazed panels to existing hardwood main entrance doors
Washington House, Basil Street, London, SW3 1AR · premises record
Planning Permission
Approved
2013-05-30
FELL 1 x Robinia (rear).
Flat 1 Washington House, Basil Street, London, SW3 1AR · premises record
Fell
Approved
2011-10-12
Installation of two louvered grilles in the rear elevation at ground floor level in connection with the installation of air conditioning plant into rear plant room.
Flat 2 Washington House, Basil Street, London, SW3 1AR · premises record
Planning Permission
Approved
2010-01-12
Alterations to existing brickwork and installation of louvered panels to existing door leaf to rear facade in connection with the installation of an air conditioning system to rear store utility cupboard.
Washington House, Basil Street, London, SW3 1AR · premises record
Planning Permission
Approved
2009-02-20
Erection of infill extension at rear/side at 6th floor level over approximately two thirds of an existing roof terrace area, and installation of five air conditioning condensing units at rear at main roof level.
Flat 11 Washington House, 20 Basil Street, London, SW3 1AR · premises record
Planning Permission
Approved
2008-01-28
Installation of enclosed walkway on existing roof terrace at sixth floor level.
Washington House, Basil Street, London, SW3 1AR · premises record
Planning Permission
Approved
2002-10-28
Prune 3 x Silver Birch in rear garden.
Washington House, Basil Street, London · premises record
Officer Angus Morrison
No objection
2025-10-10
More
Prune
Erection of infill extension at rear side of roof terrace at sixth floor level
Flat 12, Washington House, Basil Street, London, SW3 1AR · premises record
Officer Ben Brockey
Approved
2024-11-15
More
Planning Permission
Replacement of double glazed bifold patio doors (4 panels) with UPVC double glazed sliding doors (2 panels)
Flat 11, Washington House, Basil Street, London, SW3 1AR · premises record
Approved
2014-03-26
More
Planning Permission
Show all 9 rows
Replacement of timber panels with new glazed panels to existing hardwood main entrance doors
Washington House, Basil Street, London, SW3 1AR · premises record
Approved
2013-05-30
More
Planning Permission
FELL 1 x Robinia (rear).
Flat 1 Washington House, Basil Street, London, SW3 1AR · premises record
Approved
2011-10-12
More
Fell
Installation of two louvered grilles in the rear elevation at ground floor level in connection with the installation of air conditioning plant into rear plant room.
Flat 2 Washington House, Basil Street, London, SW3 1AR · premises record
Approved
2010-01-12
More
Planning Permission
Alterations to existing brickwork and installation of louvered panels to existing door leaf to rear facade in connection with the installation of an air conditioning system to rear store utility cupboard.
Washington House, Basil Street, London, SW3 1AR · premises record
Approved
2009-02-20
More
Planning Permission
Erection of infill extension at rear/side at 6th floor level over approximately two thirds of an existing roof terrace area, and installation of five air conditioning condensing units at rear at main roof level.
Flat 11 Washington House, 20 Basil Street, London, SW3 1AR · premises record
Approved
2008-01-28
More
Planning Permission
Installation of enclosed walkway on existing roof terrace at sixth floor level.
Washington House, Basil Street, London, SW3 1AR · premises record
Approved
2002-10-28
More
Planning Permission
Building control
Building-control records are not yet collected for Kensington And Chelsea — 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 14 premises each one covers.
Designation
Coverage
Conservation Area
Hans Town · reference 21 · covers 14 of 14 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
Article 4 Direction Area
Article 4 - No 100 · reference 79 · covers 14 of 14 premises. Some normally permitted changes may require planning permission.
Tree Preservation Zone
Named designation not supplied · reference 21 · covers 14 of 14 premises. Protected-tree works may require consent or formal notice.
Conservation Area
Hans Town · reference 21 · covers 14 of 14 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
Article 4 Direction Area
Article 4 - No 100 · reference 79 · covers 14 of 14 premises. Some normally permitted changes may require planning permission.
Tree Preservation Zone
Named designation not supplied · reference 21 · covers 14 of 14 premises. Protected-tree works may require consent or formal notice.
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 9 applications in this postcode — the party who applied, not the owner or occupier.
Name
Details
Case officer on 1 application
Case officer on 1 application
Case officer on 1 application
Case officer 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 B: 1, C: 3, D: 3, E: 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.
2 intent signals recorded in this postcode
insolvency_property · Company dissolving
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.