Postcode record · Kensington And Chelsea
SW1X 8NG.
SW1X 8NG has 36 known premises and 33 planning records — 25 approved of 25 decided (100%). 27 EPC records.
Postcode SW1X 8NG · boundary not held, centred on the postcodeApprovedRefusedOther33 on the map — every match
At a glance · this postcodeKensington And Chelsea profile →
36
Premises
known addresses (UPRNs)
33
Applications
25 decided
100%
Approval rate
25 approved · 0 refused
39 days
Median decision time
average 43 days · 33 dated decisions
27
EPC records
ratings C 13 · D 12 · E 2
33
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?
SW1X 8NG has 36 known premises and 33 planning records — 25 approved of 25 decided (100%). 27 EPC records.
Premises (18 of 36 shown)
Name
Details
UPRN 217013455
UPRN 217013456
UPRN 217013458
UPRN 217013460
UPRN 217013461
UPRN 217013462
UPRN 217013463
UPRN 217013455
UPRN 217013456
Show all 10 rows
UPRN 217013458
UPRN 217013460
UPRN 217013461
UPRN 217013462
UPRN 217013463
Planning
What happened?
33 planning applications across the postcode; 25 approved of 25 decided (100%). Latest 30 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Prune 9x various as specified
Chalfont House, 19-21 Chesham Street, London, SW1X 8NG · premises record
Officer Stephen Fuller
Prune
No objection
2025-09-18
Prune 1 x Cherry (Prunus spp)(T1) in rear garden.
Chalfont House, 19-21 Chesham Street, London SW1X 8NG · premises record
Officer Angus Morrison
Prune
No objection
2025-02-17
Replacement of single glazed Crittall windows with double glazed Crittall windows
Flat 13 and 14, Chalfont House, 19-21 Chesham Street, London, SW1X 8NG · premises record
Officer Paria Mundhra
Planning Permission
Approved
2024-11-05
Replacement single glazed Crittall windows with double glazed Crittall windows
Flat 11, Chalfont House, 19-21 Chesham Street, London, SW1X 8NG · premises record
Officer Paria Mundhra
Planning Permission
Approved
2024-10-30
Replacement of 3 windows within light well, with 3 double glazed Crittal style windows
Flat 29, Chalfont House, 19-21 Chesham Street, London, SW1X 8NG · premises record
Officer George Weir
Planning Permission
Approved
2024-08-05
Replacement of existing single glazed crittall windows with double glazed aluminium to match.
Flat 34 and 35, Chalfont House, 19-21 Chesham Street, London, SW1X 8NG · premises record
Officer George Weir
Planning Permission
Approved
2024-05-16
Prune 1 x London Plane, 1 x Sycamore, 1 x Cherry, 1 x Unknown (possible Tilla) in rear garden
Chalfont House, 19-21 Chesham Street, London · premises record
Officer Angus Morrison
Prune
No objection
2023-09-21
Amalgamation of 2No. adjoining flats at lower ground floor level comprising internal works only.
Flat 5 and Flat 2A Chalfont House, 19-21 Chesham Street, London, SW1X 8NG · premises record
Officer Emma Gore
Planning Permission
Approved
2023-08-07
Replacement of existing painted steel single glazed Crittal style windows with 'like for like' Crittal style aluminium double glazed windows. Addition of 1 pair French doors to match.
Flat 2A, Chalfont House, 19-21 Chesham Street, London, SW1X 8NG · premises record
Officer Jeremy Brydon
Planning Permission
Approved
2023-06-19
Replacement of single glazed crittall steel frame windows with double glazed crittall steel frame windows.
Flat 31, Chalfont House, 19-21 Chesham Street, London, SW1X 8NG · premises record
Officer Douglas Payne
Planning Permission
Approved
2022-11-25
Prune 9x various as specified
Chalfont House, 19-21 Chesham Street, London, SW1X 8NG · premises record
Officer Stephen Fuller
No objection
2025-09-18
More
Prune
Prune 1 x Cherry (Prunus spp)(T1) in rear garden.
Chalfont House, 19-21 Chesham Street, London SW1X 8NG · premises record
Officer Angus Morrison
No objection
2025-02-17
More
Prune
Replacement of single glazed Crittall windows with double glazed Crittall windows
Flat 13 and 14, Chalfont House, 19-21 Chesham Street, London, SW1X 8NG · premises record
Officer Paria Mundhra
Approved
2024-11-05
More
Planning Permission
Show all 10 rows
Replacement single glazed Crittall windows with double glazed Crittall windows
Flat 11, Chalfont House, 19-21 Chesham Street, London, SW1X 8NG · premises record
Officer Paria Mundhra
Approved
2024-10-30
More
Planning Permission
Replacement of 3 windows within light well, with 3 double glazed Crittal style windows
Flat 29, Chalfont House, 19-21 Chesham Street, London, SW1X 8NG · premises record
Officer George Weir
Approved
2024-08-05
More
Planning Permission
Replacement of existing single glazed crittall windows with double glazed aluminium to match.
Flat 34 and 35, Chalfont House, 19-21 Chesham Street, London, SW1X 8NG · premises record
Officer George Weir
Approved
2024-05-16
More
Planning Permission
Prune 1 x London Plane, 1 x Sycamore, 1 x Cherry, 1 x Unknown (possible Tilla) in rear garden
Chalfont House, 19-21 Chesham Street, London · premises record
Officer Angus Morrison
No objection
2023-09-21
More
Prune
Amalgamation of 2No. adjoining flats at lower ground floor level comprising internal works only.
Flat 5 and Flat 2A Chalfont House, 19-21 Chesham Street, London, SW1X 8NG · premises record
Officer Emma Gore
Approved
2023-08-07
More
Planning Permission
Replacement of existing painted steel single glazed Crittal style windows with 'like for like' Crittal style aluminium double glazed windows. Addition of 1 pair French doors to match.
Flat 2A, Chalfont House, 19-21 Chesham Street, London, SW1X 8NG · premises record
Officer Jeremy Brydon
Approved
2023-06-19
More
Planning Permission
Replacement of single glazed crittall steel frame windows with double glazed crittall steel frame windows.
Flat 31, Chalfont House, 19-21 Chesham Street, London, SW1X 8NG · premises record
Officer Douglas Payne
Approved
2022-11-25
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 36 premises each one covers.
Designation
Coverage
Article 4 Direction Area
Article 4 - No 100 · reference 79 · covers 36 of 36 premises. Some normally permitted changes may require planning permission.
Tree Preservation Zone
Named designation not supplied · reference 21 · covers 36 of 36 premises. Protected-tree works may require consent or formal notice.
Conservation Area
Hans Town · reference 21 · covers 36 of 36 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
Article 4 Direction Area
Article 4 - No 100 · reference 79 · covers 36 of 36 premises. Some normally permitted changes may require planning permission.
Tree Preservation Zone
Named designation not supplied · reference 21 · covers 36 of 36 premises. Protected-tree works may require consent or formal notice.
Conservation Area
Hans Town · reference 21 · covers 36 of 36 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).
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 3 applications
Case officer on 2 applications
Case officer on 2 applications
Case officer on 2 applications
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 3 applications
Case officer on 2 applications
Case officer on 2 applications
Show all 9 rows
Case officer on 2 applications
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 precedent33 applications and 33 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy27 EPC records; ratings C: 13, D: 12, E: 2.
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
Struggling director · Repeat sale
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.