Planning Atlas
AtlasPostcodeSW36PX
Planning AtlasKensington And ChelseaStanley wardSW3 6PX
Postcode record · Kensington And Chelsea

SW3 6PX.

SW3 6PX has 49 known premises and 161 planning records — 102 approved of 121 decided (84.3%). 17 EPC records.

Postcode SW3 6PX · boundary not held, centred on the postcodeApprovedRefusedOther162 exact162 on the map — every match
At a glance · this postcodeKensington And Chelsea profile →
49
Premises
known addresses (UPRNs)
161
Applications
121 decided
84.3%
Approval rate
102 approved · 19 refused
17
EPC records
ratings C 7 · D 10
162
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 6PX has 49 known premises and 161 planning records — 102 approved of 121 decided (84.3%). 17 EPC records.

Premises (18 of 49 shown)

Planning

What happened?

161 planning applications across the postcode; 102 approved of 121 decided (84.3%). Latest 30 shown.

Reference
Proposal · address
Type
Outcome
Date · distance
Internal and external alterations including replacement of existing metal stair to front lightwell with new black painted metal stair, enclosure of open space beneath ground floor entrance stairs with new partition wall and door to form lobby entrance to Basement Flat, replacement of existing 1969 infill extension beside rear closet wing with smaller infill extension; and widening of rear lightwell to form patio and allow for the installation of new black painted metal stair to provide access/egress to Stewart's Grove.
Basement Flat, 41 Sydney Street, London, SW3 6PX · premises record
Officer Ben Brockey
Listed Building Consent
Pre-Determination Stage
2026-03-09
Construction of a mansard roof extension at third floor level, addition of a single-storey extension to the rear closet wing at second floor level, replacement of the existing two-storey infill extension beside the closet wing with a smaller single-storey infill extension at ground-floor level, internal and external alterations.
House excluding basement flat, 41 Sydney Street, London, SW3 6PZ · premises record
Applicant Murray · Officer Ben Brockey
Planning Permission
Pre-Determination Stage
2025-12-10
Construction of a mansard roof extension at third floor level, addition of a single-storey extension to the rear closet wing at second floor level, replacement of the existing two-storey infill extension beside the closet wing with a smaller single-storey infill extension at ground-floor level, internal and external alterations.
House excluding basement flat, 41 Sydney Street, London, SW3 6PZ · premises record
Officer Ben Brockey
Listed Building Consent
Pre-Determination Stage
2025-12-10
Internal and external alterations including replacement of existing metal stair to front lightwell with new black painted metal stair, enclosure of open space beneath ground floor entrance stairs with new partition wall and door to form lobby entrance to Basement Flat, replacement of existing 1969 infill extension beside rear closet wing with smaller infill extension; and widening of rear lightwell to form patio and allow for the installation of new black painted metal stair to provide access/egress to Stewart's Grove.
Basement Flat, 41 Sydney Street, London, SW3 6PX · premises record
Applicant Murray · Officer Ben Brockey
Planning Permission
Pre-Determination Stage
2025-12-09
Construction of a mansard roof extension at third floor level, addition of an extension toexisting closet wing at second floor level, replacement of existing infill extension beside closet wing at lower-ground and ground-floor levels, and internal and external alterations. ***WITHDRAWN***
41 Sydney Street, London, SW3 6PZ · premises record
Applicant R Murray · Officer Neville Palmer
Listed Building Consent
Withdrawn
2025-07-01
Construction of a mansard roof extension at third floor level, addition of an extension to existing closet wing at second floor level, replacement of existing infill extension beside closet wing at lower-ground and ground-floor levels, and internal and external alterations. ***WITHDRAWN***
41 Sydney Street, London, SW3 6PZ · premises record
Applicant R Murray · Officer Neville Palmer
Planning Permission
Withdrawn
2025-07-01
FELL 3 x Prunus trees (rear)
61 Sydney Street, London, SW3 6PX · premises record
Applicant Daud · Officer Angus Morrison
Fell
No objection
2025-03-18
Increase head height of front window opening. Fit slim line heritage double hung sash window in white painted timber.
Ground Floor Flat, 49 Sydney Street, London, SW3 6PX · premises record
Planning Permission
Approved
2025-03-05
Confirmation that the lower maisonette is used as two self-contained flats (Certificate of Lawful Existing Use)
Ground Floor Flat and Lower Ground Floor Flat, 49 Sydney Street, London, SW3 6PX · premises record
Applicant S McCausland · Officer Neville Palmer
Certificates Lawful Existing Use or Dev.
Approved
2025-02-11
Details required by Condition 3 (submission of details - a) Details of new lintel to ground-floor front window opening and making good works including stucco / render material composition and paint finish; b) Elevation (1:5), section (1:2) and moulding (1:1) detail of new ground-floor front window, including sample of glazing or details of supplier and methodology of works including making good. Window to be double hung sliding sash in white painted timber with through glazing bars, bevelled putty finish and no trickle vents; c) Reflected ceiling plans showing areas of retained and new cornice and retained and new lighting; d) Details showing proposed build-up of floors and walls for the bathrooms and shower rooms, to include retained / proposed walls, and surface covering, in section (1:5); e) Elevation (1:20) showing relationship with existing or new cornice and proposed shower enclosures; f) Details of all new internal doors, architraves, linings and fixings, in elevation (1:10), section (1:5) and mouldings (1:1) along with a plan clearly showing door locations and a schedule setting out locations and materials and finishes. Doors to be traditionally jointed stile and rail) of Listed Building consent LB/24/05320 (Retrospective application for previous alterations carried out at number 49 and 49a (lower ground floor) identified under CL/24/01005; as well as proposed new works on the ground floor: Restoration of the original spine wall that separated the front and rear rooms; restoration of the original cornices to the front and rear rooms; relocation of internal front door, which has been brought forward into the flat and is no longer in line with the entrance corridor wall; restoration of the front window to its original height and style, to match neighbouring properties; fitting of additional bathrooms adjacent to the restored spine wall; reinstatement of the original ceiling height in the central section of the property; and reinstatement of the original chimney breast in the front room)
Ground Floor Flat, 49 Sydney Street, London, SW3 6PX · premises record
Discharge of Conditions
Approved
2025-02-05
Internal and external alterations including replacement of existing metal stair to front lightwell with new black painted metal stair, enclosure of open space beneath ground floor entrance stairs with new partition wall and door to form lobby entrance to Basement Flat, replacement of existing 1969 infill extension beside rear closet wing with smaller infill extension; and widening of rear lightwell to form patio and allow for the installation of new black painted metal stair to provide access/egress to Stewart's Grove.
Basement Flat, 41 Sydney Street, London, SW3 6PX · premises record
Officer Ben Brockey
Pre-Determination Stage
2026-03-09
More
Listed Building Consent
Construction of a mansard roof extension at third floor level, addition of a single-storey extension to the rear closet wing at second floor level, replacement of the existing two-storey infill extension beside the closet wing with a smaller single-storey infill extension at ground-floor level, internal and external alterations.
House excluding basement flat, 41 Sydney Street, London, SW3 6PZ · premises record
Applicant Murray · Officer Ben Brockey
Pre-Determination Stage
2025-12-10
More
Planning Permission
Construction of a mansard roof extension at third floor level, addition of a single-storey extension to the rear closet wing at second floor level, replacement of the existing two-storey infill extension beside the closet wing with a smaller single-storey infill extension at ground-floor level, internal and external alterations.
House excluding basement flat, 41 Sydney Street, London, SW3 6PZ · premises record
Officer Ben Brockey
Pre-Determination Stage
2025-12-10
More
Listed Building Consent
Show all 10 rows
Internal and external alterations including replacement of existing metal stair to front lightwell with new black painted metal stair, enclosure of open space beneath ground floor entrance stairs with new partition wall and door to form lobby entrance to Basement Flat, replacement of existing 1969 infill extension beside rear closet wing with smaller infill extension; and widening of rear lightwell to form patio and allow for the installation of new black painted metal stair to provide access/egress to Stewart's Grove.
Basement Flat, 41 Sydney Street, London, SW3 6PX · premises record
Applicant Murray · Officer Ben Brockey
Pre-Determination Stage
2025-12-09
More
Planning Permission
Construction of a mansard roof extension at third floor level, addition of an extension toexisting closet wing at second floor level, replacement of existing infill extension beside closet wing at lower-ground and ground-floor levels, and internal and external alterations. ***WITHDRAWN***
41 Sydney Street, London, SW3 6PZ · premises record
Applicant R Murray · Officer Neville Palmer
Withdrawn
2025-07-01
More
Listed Building Consent
Construction of a mansard roof extension at third floor level, addition of an extension to existing closet wing at second floor level, replacement of existing infill extension beside closet wing at lower-ground and ground-floor levels, and internal and external alterations. ***WITHDRAWN***
41 Sydney Street, London, SW3 6PZ · premises record
Applicant R Murray · Officer Neville Palmer
Withdrawn
2025-07-01
More
Planning Permission
FELL 3 x Prunus trees (rear)
61 Sydney Street, London, SW3 6PX · premises record
Applicant Daud · Officer Angus Morrison
No objection
2025-03-18
More
Fell
Increase head height of front window opening. Fit slim line heritage double hung sash window in white painted timber.
Ground Floor Flat, 49 Sydney Street, London, SW3 6PX · premises record
Approved
2025-03-05
More
Planning Permission
Confirmation that the lower maisonette is used as two self-contained flats (Certificate of Lawful Existing Use)
Ground Floor Flat and Lower Ground Floor Flat, 49 Sydney Street, London, SW3 6PX · premises record
Applicant S McCausland · Officer Neville Palmer
Approved
2025-02-11
More
Certificates Lawful Existing Use or Dev.
Details required by Condition 3 (submission of details - a) Details of new lintel to ground-floor front window opening and making good works including stucco / render material composition and paint finish; b) Elevation (1:5), section (1:2) and moulding (1:1) detail of new ground-floor front window, including sample of glazing or details of supplier and methodology of works including making good. Window to be double hung sliding sash in white painted timber with through glazing bars, bevelled putty finish and no trickle vents; c) Reflected ceiling plans showing areas of retained and new cornice and retained and new lighting; d) Details showing proposed build-up of floors and walls for the bathrooms and shower rooms, to include retained / proposed walls, and surface covering, in section (1:5); e) Elevation (1:20) showing relationship with existing or new cornice and proposed shower enclosures; f) Details of all new internal doors, architraves, linings and fixings, in elevation (1:10), section (1:5) and mouldings (1:1) along with a plan clearly showing door locations and a schedule setting out locations and materials and finishes. Doors to be traditionally jointed stile and rail) of Listed Building consent LB/24/05320 (Retrospective application for previous alterations carried out at number 49 and 49a (lower ground floor) identified under CL/24/01005; as well as proposed new works on the ground floor: Restoration of the original spine wall that separated the front and rear rooms; restoration of the original cornices to the front and rear rooms; relocation of internal front door, which has been brought forward into the flat and is no longer in line with the entrance corridor wall; restoration of the front window to its original height and style, to match neighbouring properties; fitting of additional bathrooms adjacent to the restored spine wall; reinstatement of the original ceiling height in the central section of the property; and reinstatement of the original chimney breast in the front room)
Ground Floor Flat, 49 Sydney Street, London, SW3 6PX · premises record
Approved
2025-02-05
More
Discharge of Conditions

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 49 premises each one covers.

Designation
Coverage
Conservation Area
Chelsea · reference 27 · covers 49 of 49 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
Tree Preservation Zone
Named designation not supplied · reference 27 · covers 49 of 49 premises. Protected-tree works may require consent or formal notice.
Article 4 Direction Area
Article 4 - No 100 · reference 79 · covers 49 of 49 premises. Some normally permitted changes may require planning permission.
Conservation Area
Chelsea · reference 27 · covers 49 of 49 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
Tree Preservation Zone
Named designation not supplied · reference 27 · covers 49 of 49 premises. Protected-tree works may require consent or formal notice.
Article 4 Direction Area
Article 4 - No 100 · reference 79 · covers 49 of 49 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 30 applications in this postcode — the party who applied, not the owner or occupier.

Name
Details
Applicant on 3 applications
Applicant on 2 applications
Applicant on 2 applications
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Case officer on 8 applications
Case officer on 4 applications
Case officer on 4 applications
Case officer on 2 applications
Applicant on 3 applications
Applicant on 2 applications
Applicant on 2 applications
Show all 10 rows
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Case officer on 8 applications
Case officer on 4 applications
Case officer on 4 applications
Case officer on 2 applications
Development

What could it become?

Planning precedent161 applications and 162 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy17 EPC records; ratings C: 7, D: 10.
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.

5 intent signals recorded in this postcode
Beatable refusal · Price decline · Repeat sale · 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.