Planning Atlas
AtlasPostcodeSW1X9JJ
Dev
Session
Tier
Planning AtlasKensington And ChelseaBrompton & Hans Town wardSW1X 9JJ
Postcode record · Kensington And Chelsea

SW1X 9JJ.

SW1X 9JJ has 26 known premises and 3 planning records — 2 approved of 3 decided (66.7%). 17 EPC records.

Postcode SW1X 9JJ · boundary not held, centred on the postcodeApprovedRefusedOther3 on the map — every match
At a glance · this postcodeKensington And Chelsea profile →
26
Premises
known addresses (UPRNs)
3
Applications
3 decided
66.7%
Approval rate
2 approved · 1 refused
55 days
Median decision time
average 59 days · 3 dated decisions
17
EPC records
ratings B 3 · C 7 · D 6 · E 1
3
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 9JJ has 26 known premises and 3 planning records — 2 approved of 3 decided (66.7%). 17 EPC records.

Premises (18 of 26 shown)

Planning

What happened?

3 planning applications across the postcode; 2 approved of 3 decided (66.7%). Latest 3 shown.

Reference
Proposal · address
Type
Outcome
Date · distance
Amalgamation of x 3 flats into one dwelling (Certificate of Proposed Development/Use)
Flat 31,32 and 34, Lowndes Court, Lowndes Square, London, SW1X 9JJ · premises record
Certificates Lawful Proposed Use or Dev.
Refused
2016-04-13
Erection of a dormer window in the main rear roofslope facing west down the east-west part of Harriet Walk.
Flat 41 Lowndes Court, Lowndes Square, London, SW1X 9JJ · premises record
Planning Permission
Approved
2007-08-30
Installation of new window and door at rear ground floor level
Flat 9 Lowndes Court, Lowndes Square, London, SW1X 9JJ · premises record
Planning Permission
Approved
2006-08-03
Amalgamation of x 3 flats into one dwelling (Certificate of Proposed Development/Use)
Flat 31,32 and 34, Lowndes Court, Lowndes Square, London, SW1X 9JJ · premises record
Refused
2016-04-13
More
Certificates Lawful Proposed Use or Dev.
Erection of a dormer window in the main rear roofslope facing west down the east-west part of Harriet Walk.
Flat 41 Lowndes Court, Lowndes Square, London, SW1X 9JJ · premises record
Approved
2007-08-30
More
Planning Permission
Installation of new window and door at rear ground floor level
Flat 9 Lowndes Court, Lowndes Square, London, SW1X 9JJ · premises record
Approved
2006-08-03
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 26 premises each one covers.

Designation
Coverage
Conservation Area
Hans Town · reference 21 · covers 26 of 26 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
Article 4 Direction Area
Article 4 - No 100 · reference 79 · covers 26 of 26 premises. Some normally permitted changes may require planning permission.
Tree Preservation Zone
Named designation not supplied · reference 21 · covers 26 of 26 premises. Protected-tree works may require consent or formal notice.
Conservation Area
Hans Town · reference 21 · covers 26 of 26 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
Article 4 Direction Area
Article 4 - No 100 · reference 79 · covers 26 of 26 premises. Some normally permitted changes may require planning permission.
Tree Preservation Zone
Named designation not supplied · reference 21 · covers 26 of 26 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?

Applicants, agents and officers are attached per application; the current area build carries references only — the borough entity run adds the names here.

Development

What could it become?

Planning precedent3 applications and 3 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy17 EPC records; ratings B: 3, C: 7, D: 6, 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 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.

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.
SW1X 9JJ, Kensington And Chelsea: planning and property history | Planning Atlas