Postcode record · Kensington And Chelsea
SW1X 9JX.
SW1X 9JX has 36 known premises and 8 planning records — 7 approved of 7 decided (100%). 25 EPC records.
Postcode SW1X 9JX · boundary not held, centred on the postcodeApprovedRefusedOther8 exact8 on the map — every match
At a glance · this postcodeKensington And Chelsea profile →
36
Premises
known addresses (UPRNs)
8
Applications
7 decided
100%
Approval rate
7 approved · 0 refused
25
EPC records
ratings B 1 · C 12 · D 10 · E 1 · F 1
8
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 9JX has 36 known premises and 8 planning records — 7 approved of 7 decided (100%). 25 EPC records.
Premises (18 of 36 shown)
Name
Details
UPRN 217056165
UPRN 217056166
UPRN 217056167
UPRN 217056168
UPRN 217056169
UPRN 217056170
UPRN 217056171
UPRN 217056172
UPRN 217056173
UPRN 217056174
UPRN 217056165
UPRN 217056166
UPRN 217056167
Show all 10 rows
UPRN 217056168
UPRN 217056169
UPRN 217056170
UPRN 217056171
UPRN 217056172
UPRN 217056173
UPRN 217056174
Planning
What happened?
8 planning applications across the postcode; 7 approved of 7 decided (100%). Latest 8 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Installation of an air conditioning unit within an acoustic enclosure at first floor level. Piping on rear fa?ade leading to Flat 11.
Flat 11, 48 Lowndes Square, London, SW1X 9JX · premises record
Applicant Not disclosed · Officer James Siow
Planning Permission
Approved
2023-12-21
Replacement of crittal window opening for acoustic louvre in the North elevation at ground level in connection with the installation of air conditioning equipment.
Flat 14, 49 Lowndes Square, London, SW1X 9JX · premises record
Planning Permission
Approved
2008-04-16
Provision of 2 new air conditioning chiller units at first floor rear roof level.
Flat 7, 49 Lowndes Square, London, SW1X 9JX · premises record
Planning Permission
Approved
2006-03-01
To form a link extension between flats 7 & 8 on the third floor in association with conversion of both flats into one single third floor dwelling.
Flat 7, 49 Lowndes Square, London, SW1X 9JX · premises record
Planning Permission
Approved
2005-09-23
Installation of an additional air-conditioning unit for Flat 5 on an existing platform on top of the flat roof.
49 Lowndes Square, London, SW1X 9JX · premises record
Planning Permission
Approved
2004-11-19
Application to develop land without compliance with Condition 3, and, to vary Condition 4 of planning permission dated 23rd July 2002 (PP/01/2605) associated with provision of bicycle accommodation at basement level. (PP/01/2605 granted planning permission for the conversion of existing commercial car park and extension into Harriet Walk lightwell to provide five residential units).
48/49 Lowndes Square, London, SW1X9JX · premises record
Planning Permission
Withdrawn
2003-10-28
Installation of 6 air conditioning units on roof.
49 Lowndes Square, London, SW1X 9JX · premises record
Planning Permission
Approved
2000-08-31
Erection of a single air conditioning unit on roof.
49 Lowndes Square, London, SW1X 9JX · premises record
Planning Permission
Approved
2000-02-28
Installation of an air conditioning unit within an acoustic enclosure at first floor level. Piping on rear fa?ade leading to Flat 11.
Flat 11, 48 Lowndes Square, London, SW1X 9JX · premises record
Applicant Not disclosed · Officer James Siow
Approved
2023-12-21
More
Planning Permission
Replacement of crittal window opening for acoustic louvre in the North elevation at ground level in connection with the installation of air conditioning equipment.
Flat 14, 49 Lowndes Square, London, SW1X 9JX · premises record
Approved
2008-04-16
More
Planning Permission
Provision of 2 new air conditioning chiller units at first floor rear roof level.
Flat 7, 49 Lowndes Square, London, SW1X 9JX · premises record
Approved
2006-03-01
More
Planning Permission
Show all 8 rows
To form a link extension between flats 7 & 8 on the third floor in association with conversion of both flats into one single third floor dwelling.
Flat 7, 49 Lowndes Square, London, SW1X 9JX · premises record
Approved
2005-09-23
More
Planning Permission
Installation of an additional air-conditioning unit for Flat 5 on an existing platform on top of the flat roof.
49 Lowndes Square, London, SW1X 9JX · premises record
Approved
2004-11-19
More
Planning Permission
Application to develop land without compliance with Condition 3, and, to vary Condition 4 of planning permission dated 23rd July 2002 (PP/01/2605) associated with provision of bicycle accommodation at basement level. (PP/01/2605 granted planning permission for the conversion of existing commercial car park and extension into Harriet Walk lightwell to provide five residential units).
48/49 Lowndes Square, London, SW1X9JX · premises record
Withdrawn
2003-10-28
More
Planning Permission
Installation of 6 air conditioning units on roof.
49 Lowndes Square, London, SW1X 9JX · premises record
Approved
2000-08-31
More
Planning Permission
Erection of a single air conditioning unit on roof.
49 Lowndes Square, London, SW1X 9JX · premises record
Approved
2000-02-28
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 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.
Article 4 Direction Area
Article 4 - No 100 · reference 79 · covers 36 of 36 premises. Some normally permitted changes may require planning permission.
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 8 applications in this postcode — the party who applied, not the owner or occupier.
Name
Details
Applicant on 1 application
Case officer on 1 application
Applicant on 1 application
Case officer on 1 application
Development
What could it become?
Planning precedent8 applications and 8 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy25 EPC records; ratings B: 1, C: 12, D: 10, E: 1, 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.
9 intent signals recorded in this postcode
Price decline · EPC F/G · Long hold
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.