Postcode record · Kensington And Chelsea
SW3 1AP.
SW3 1AP has 43 known premises and 36 planning records — 26 approved of 30 decided (86.7%). 22 EPC records.
Postcode SW3 1AP · boundary not held, centred on the postcodeApprovedRefusedOther36 on the map — every match
At a glance · this postcodeKensington And Chelsea profile →
43
Premises
known addresses (UPRNs)
36
Applications
30 decided
86.7%
Approval rate
26 approved · 4 refused
56 days
Median decision time
average 66 days · 36 dated decisions
22
EPC records
ratings B 1 · C 7 · D 13 · F 1
36
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 1AP has 43 known premises and 36 planning records — 26 approved of 30 decided (86.7%). 22 EPC records.
Premises (18 of 43 shown)
Name
Details
UPRN 217003351
UPRN 217003352
UPRN 217003353
UPRN 217003354
UPRN 217003355
UPRN 217003356
UPRN 217003357
UPRN 217003358
UPRN 217003359
UPRN 217003360
UPRN 217003351
UPRN 217003352
UPRN 217003353
Show all 10 rows
UPRN 217003354
UPRN 217003355
UPRN 217003356
UPRN 217003357
UPRN 217003358
UPRN 217003359
UPRN 217003360
Planning
What happened?
36 planning applications across the postcode; 26 approved of 30 decided (86.7%). Latest 30 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Removal of external window and replacement with air vent to facilitate installation of internal air conditioning unit
Flat 11, Basil Mansions, Basil Street, London, SW3 1AP · premises record
Officer Lolade Williams
Planning Permission
Approved
2025-08-18
Prune 3 x London Plane (rear)
Basil Mansions, Basil Street, London · premises record
Officer Angus Morrison
Prune
Approved
2024-03-21
Installation of 1no air conditioning condenser installed in acoustic enclosure on flat roof for 5th floor flat.
Flat 11, Basil Mansions, Basil Street, London, SW3 1AP · premises record
Officer Neville Palmer
Planning Permission
Approved
2023-11-15
Verification Order required for the renumbering of Flat 12 And 12A and Flat 12B Basil Mansions, Basil Street, LONDON, SW3 1AP, as follows:Flat 12 And 12A Basil Mansions, Basil Street, LONDON, SW3 1AP to be renumbered as Flat 12 Basil Mansions, Basil Street, LONDON, SW3 1APFlat 12B Basil Mansions, Basil Street, LONDON, SW3 1AP to be renumbered as Flat 12A Basil Mansions, Basil Street, LONDON, SW3 1APThe address - Flat 12B Basil Mansions, Basil Street, LONDON, SW3 1AP - To be deleted.
Flat 12 And 12A and Flat 12B Basil Mansions, Basil Street, London, SW3 1AP · premises record
Officer Robert Daniels
SNN Verification Order
Other
2022-02-23
Replacement of external doors and windows with double glazed timber windows and doors; installation of acoustic grille to window 24 to rear to suit internal AC unit
Flat 18, Basil Mansions, Basil Street, London, SW3 1AP · premises record
Officer Ben Brockey
Planning Permission
Approved
2019-11-18
Extension of external staircase on rear elevation from the fifth to sixth floor to provide means of escape for flats 1 and 2 in development approved under planning permission PP/13/00972
Basil Mansions, Basil Street, London · premises record
Planning Permission
Approved
2019-06-21
Change of use from doctor's surgery (Class D1) to a 4-bed dwelling (Class C3). Replacement of rear facing windows with double glazed white timber sash windows
15 Basil Mansions, Basil Street, London, SW3 1AP · premises record
Planning Permission
Approved
2018-11-07
Verification Order required for the numbering of the three newly formed 2 bedroom self-contained residential flats at 6th floor level at Basil Mansions, Basil Street SW3 1AP, linked to Planning application PP/16/02140, as follows:Flat 12B, Sixth Floor, Basil Mansions Basil Street SW3 1APFlat 26, Sixth Floor, Basil Mansions Basil Street SW3 1APFlat 27, Sixth Floor, Basil Mansions Basil Street SW3 1AP
Basil Mansions, Basil Street, London, SW3 1AP · premises record
SNN Verification Order
Decided
2018-06-01
Adjustment of three roof lights with integral louvres to mesh panel; addition of six roof tile vents and three boiler flues within roof pitch
Basil Mansions, Basil Street, London, SW3 1AP · premises record
Planning Permission
Approved
2017-02-01
Removal of external window and replacement with air vent to facilitate installation of internal air conditioning unit
Flat 11, Basil Mansions, Basil Street, London, SW3 1AP · premises record
Officer Lolade Williams
Approved
2025-08-18
More
Planning Permission
Prune 3 x London Plane (rear)
Basil Mansions, Basil Street, London · premises record
Officer Angus Morrison
Approved
2024-03-21
More
Prune
Installation of 1no air conditioning condenser installed in acoustic enclosure on flat roof for 5th floor flat.
Flat 11, Basil Mansions, Basil Street, London, SW3 1AP · premises record
Officer Neville Palmer
Approved
2023-11-15
More
Planning Permission
Show all 10 rows
Verification Order required for the renumbering of Flat 12 And 12A and Flat 12B Basil Mansions, Basil Street, LONDON, SW3 1AP, as follows:Flat 12 And 12A Basil Mansions, Basil Street, LONDON, SW3 1AP to be renumbered as Flat 12 Basil Mansions, Basil Street, LONDON, SW3 1APFlat 12B Basil Mansions, Basil Street, LONDON, SW3 1AP to be renumbered as Flat 12A Basil Mansions, Basil Street, LONDON, SW3 1APThe address - Flat 12B Basil Mansions, Basil Street, LONDON, SW3 1AP - To be deleted.
Flat 12 And 12A and Flat 12B Basil Mansions, Basil Street, London, SW3 1AP · premises record
Officer Robert Daniels
Other
2022-02-23
More
SNN Verification Order
Replacement of external doors and windows with double glazed timber windows and doors; installation of acoustic grille to window 24 to rear to suit internal AC unit
Flat 18, Basil Mansions, Basil Street, London, SW3 1AP · premises record
Officer Ben Brockey
Approved
2019-11-18
More
Planning Permission
Prune 3 x plane (rear)
Basil Mansions, Basil Street, London · premises record
Approved
2019-07-30
More
Prune
Extension of external staircase on rear elevation from the fifth to sixth floor to provide means of escape for flats 1 and 2 in development approved under planning permission PP/13/00972
Basil Mansions, Basil Street, London · premises record
Approved
2019-06-21
More
Planning Permission
Change of use from doctor's surgery (Class D1) to a 4-bed dwelling (Class C3). Replacement of rear facing windows with double glazed white timber sash windows
15 Basil Mansions, Basil Street, London, SW3 1AP · premises record
Approved
2018-11-07
More
Planning Permission
Verification Order required for the numbering of the three newly formed 2 bedroom self-contained residential flats at 6th floor level at Basil Mansions, Basil Street SW3 1AP, linked to Planning application PP/16/02140, as follows:Flat 12B, Sixth Floor, Basil Mansions Basil Street SW3 1APFlat 26, Sixth Floor, Basil Mansions Basil Street SW3 1APFlat 27, Sixth Floor, Basil Mansions Basil Street SW3 1AP
Basil Mansions, Basil Street, London, SW3 1AP · premises record
Decided
2018-06-01
More
SNN Verification Order
Adjustment of three roof lights with integral louvres to mesh panel; addition of six roof tile vents and three boiler flues within roof pitch
Basil Mansions, Basil Street, London, SW3 1AP · premises record
Approved
2017-02-01
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 43 premises each one covers.
Designation
Coverage
Article 4 Direction Area
Article 4 - No 100 · reference 79 · covers 43 of 43 premises. Some normally permitted changes may require planning permission.
Conservation Area
Hans Town · reference 21 · covers 41 of 43 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
Tree Preservation Zone
Named designation not supplied · reference 21 · covers 41 of 43 premises. Protected-tree works may require consent or formal notice.
Article 4 Direction Area
Article 4 - No 100 · reference 79 · covers 43 of 43 premises. Some normally permitted changes may require planning permission.
Conservation Area
Hans Town · reference 21 · covers 41 of 43 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
Tree Preservation Zone
Named designation not supplied · reference 21 · covers 41 of 43 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 30 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
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 precedent36 applications and 36 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy22 EPC records; ratings B: 1, C: 7, D: 13, 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
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.
Boundary: OS Postcode Unit areas (Ordnance Survey), 2026-08-14. Planning records: canonical stage2. EPC: EPC register. Premises: OS AddressBase / UPRN.