Postcode record · Kensington And Chelsea
SW3 4DT.
SW3 4DT has 26 known premises and 18 planning records — 14 approved of 17 decided (82.4%). 13 EPC records.
Postcode SW3 4DT · boundary not held, centred on the postcodeApprovedRefusedOther18 exact18 on the map — every match
At a glance · this postcodeKensington And Chelsea profile →
26
Premises
known addresses (UPRNs)
18
Applications
17 decided
82.4%
Approval rate
14 approved · 3 refused
13
EPC records
ratings C 7 · D 4 · E 2
18
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 4DT has 26 known premises and 18 planning records — 14 approved of 17 decided (82.4%). 13 EPC records.
Premises (18 of 26 shown)
Name
Details
UPRN 217073015
UPRN 217073018
UPRN 217073019
UPRN 217073020
UPRN 217073021
UPRN 217073022
UPRN 217073023
UPRN 217073024
UPRN 217073015
Show all 10 rows
UPRN 217073018
UPRN 217073019
UPRN 217073020
UPRN 217073021
UPRN 217073022
UPRN 217073023
UPRN 217073024
Planning
What happened?
18 planning applications across the postcode; 14 approved of 17 decided (82.4%). Latest 18 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Installation of 2 x A/C condensing units and acoustic enclosure to the rear roof terrace
First Second and Third Floor Maisonette, 9 Ralston Street, London, SW3 4DT · premises record
Applicant yates · Officer Jake Brown
Planning Permission
Approved
2025-10-13
Confirmation of lawful commencement of works on site pursuant to planning permission PP/24/02250 (Reconfiguration and amalgamation of lower ground floor and ground floor flats, rear extension at lower ground floor and ground floor levels, installation of internal lift with lead cladded overrun and external spiral staircase, re-pointing of masonry, replacement of top floor casement window and other associated works). (Certificate of Existing Use)
7 Ralston Street, London, SW3 4DT · premises record
Applicant Brahm · Officer Lolade Williams
Certificates Lawful Existing Use or Dev.
Approved
2025-10-06
Confirmation that the development granted by planning permission with ref: PP/23/06075 dated 13 November 2023 has been lawfully implemented. (Certificate of Lawful Existing Use/Development)
First to Third Floor Flat, 7 Ralston Street, London, SW3 4DT · premises record
Applicant Not disclosed · Officer Jake Brown
Certificates Lawful Existing Use or Dev.
Approved
2025-02-03
Details required by condition 4 (Sustainable drainage systems strategy [SUDS]) of planning permission 24/02250 (Reconfiguration and amalgamation of lower ground floor and ground floor flats, rear extension at lower ground floor and ground floor levels, installation of internal lift with lead cladded overrun and external spiral staircase, re-pointing of masonry, replacement of top floor casement window and other associated works.)
7 Ralston Street, London, SW3 4DT · premises record
Applicant Not disclosed · Officer Paria Mundhra
Discharge of Conditions
Approved
2025-01-27
Reconfiguration and amalgamation of lower ground floor and ground floor flats, rear extension at lower ground floor and ground floor levels, installation of internal lift with lead cladded overrun and external spiral staircase, re-pointing of masonry, replacement of top floor casement window and other associated works.
7 Ralston Street, London, SW3 4DT · premises record
Officer Jonathan Kwok
Planning Permission
Approved
2024-04-03
Reconfiguration and amalgamation of basement and ground floor flats, rear extension at ground, first, second and third floor levels, installation of basement floor level bay window, installation of internal lift and external spiral staircase, re-pointing of masonry, replacement of top floor casement window, installation of AC unit, safety railing to facilitate the use of roof as a terrace
7 Ralston Street, London · premises record
Officer Morgan Roberts
Planning Permission
Refused
2023-12-05
Installation of staircase and fully glazed sliding box rooflight to access roof. Installation of black metal safety railings and associated works for use of roof as a terrace.
First to Third Floor Flat, 7 Ralston Street, London, SW3 4DT · premises record
Applicant JMS Planning · Officer John Asiamah
Planning Permission
Approved
2023-09-18
Installation of roof level plant serving the top floor flat only
First to Third Floor Flat, 7 Ralston Street, London, SW3 4DT · premises record
Officer John Asiamah
Planning Permission
Refused
2023-07-28
Use as roof terrace at fourth floor, including access hatch and glazed balustrade, and three rooflights (Certificate of Lawful Existing Use)
First Second and Third Floor Maisonette, 9 Ralston Street, London, SW3 4DT · premises record
Certificates Lawful Existing Use or Dev.
Approved
2018-06-27
Replacement of metal stair to front lightwell and reinstatement of timber sash window into previously blocked up opening to front bay at lower ground floor
Basement Flat, 3 Ralston Street, London, SW3 4DT · premises record
Planning Permission
Approved
2018-06-07
Installation of 2 x A/C condensing units and acoustic enclosure to the rear roof terrace
First Second and Third Floor Maisonette, 9 Ralston Street, London, SW3 4DT · premises record
Applicant yates · Officer Jake Brown
Approved
2025-10-13
More
Planning Permission
Confirmation of lawful commencement of works on site pursuant to planning permission PP/24/02250 (Reconfiguration and amalgamation of lower ground floor and ground floor flats, rear extension at lower ground floor and ground floor levels, installation of internal lift with lead cladded overrun and external spiral staircase, re-pointing of masonry, replacement of top floor casement window and other associated works). (Certificate of Existing Use)
7 Ralston Street, London, SW3 4DT · premises record
Applicant Brahm · Officer Lolade Williams
Approved
2025-10-06
More
Certificates Lawful Existing Use or Dev.
Confirmation that the development granted by planning permission with ref: PP/23/06075 dated 13 November 2023 has been lawfully implemented. (Certificate of Lawful Existing Use/Development)
First to Third Floor Flat, 7 Ralston Street, London, SW3 4DT · premises record
Applicant Not disclosed · Officer Jake Brown
Approved
2025-02-03
More
Certificates Lawful Existing Use or Dev.
Show all 10 rows
Details required by condition 4 (Sustainable drainage systems strategy [SUDS]) of planning permission 24/02250 (Reconfiguration and amalgamation of lower ground floor and ground floor flats, rear extension at lower ground floor and ground floor levels, installation of internal lift with lead cladded overrun and external spiral staircase, re-pointing of masonry, replacement of top floor casement window and other associated works.)
7 Ralston Street, London, SW3 4DT · premises record
Applicant Not disclosed · Officer Paria Mundhra
Approved
2025-01-27
More
Discharge of Conditions
Reconfiguration and amalgamation of lower ground floor and ground floor flats, rear extension at lower ground floor and ground floor levels, installation of internal lift with lead cladded overrun and external spiral staircase, re-pointing of masonry, replacement of top floor casement window and other associated works.
7 Ralston Street, London, SW3 4DT · premises record
Officer Jonathan Kwok
Approved
2024-04-03
More
Planning Permission
Reconfiguration and amalgamation of basement and ground floor flats, rear extension at ground, first, second and third floor levels, installation of basement floor level bay window, installation of internal lift and external spiral staircase, re-pointing of masonry, replacement of top floor casement window, installation of AC unit, safety railing to facilitate the use of roof as a terrace
7 Ralston Street, London · premises record
Officer Morgan Roberts
Refused
2023-12-05
More
Planning Permission
Installation of staircase and fully glazed sliding box rooflight to access roof. Installation of black metal safety railings and associated works for use of roof as a terrace.
First to Third Floor Flat, 7 Ralston Street, London, SW3 4DT · premises record
Applicant JMS Planning · Officer John Asiamah
Approved
2023-09-18
More
Planning Permission
Installation of roof level plant serving the top floor flat only
First to Third Floor Flat, 7 Ralston Street, London, SW3 4DT · premises record
Officer John Asiamah
Refused
2023-07-28
More
Planning Permission
Use as roof terrace at fourth floor, including access hatch and glazed balustrade, and three rooflights (Certificate of Lawful Existing Use)
First Second and Third Floor Maisonette, 9 Ralston Street, London, SW3 4DT · premises record
Approved
2018-06-27
More
Certificates Lawful Existing Use or Dev.
Replacement of metal stair to front lightwell and reinstatement of timber sash window into previously blocked up opening to front bay at lower ground floor
Basement Flat, 3 Ralston Street, London, SW3 4DT · premises record
Approved
2018-06-07
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
Royal Hospital · reference 29 · covers 26 of 26 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
Tree Preservation Zone
Named designation not supplied · reference 29 · covers 26 of 26 premises. Protected-tree works may require consent or formal notice.
Article 4 Direction Area
Article 4 - No 100 · reference 79 · covers 26 of 26 premises. Some normally permitted changes may require planning permission.
Conservation Area
Royal Hospital · reference 29 · covers 26 of 26 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
Tree Preservation Zone
Named designation not supplied · reference 29 · covers 26 of 26 premises. Protected-tree works may require consent or formal notice.
Article 4 Direction Area
Article 4 - No 100 · reference 79 · covers 26 of 26 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 18 applications in this postcode — the party who applied, not the owner or occupier.
Name
Details
Applicant on 2 applications
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
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
Applicant on 2 applications
Applicant on 1 application
Applicant on 1 application
Show all 10 rows
Applicant on 1 application
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
Development
What could it become?
Planning precedent18 applications and 18 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy13 EPC records; ratings C: 7, D: 4, 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.
Boundary: OS Postcode Unit areas (Ordnance Survey), 2026-08-14. Planning records: canonical stage2. EPC: EPC register. Premises: OS AddressBase / UPRN.