Postcode record · Kensington And Chelsea
SW3 3RT.
SW3 3RT has 18 known premises and 82 planning records — 64 approved of 66 decided (97%). 11 EPC records.
Postcode SW3 3RT · boundary not held, centred on the postcodeApprovedRefusedOther82 exact82 on the map — every match
At a glance · this postcodeKensington And Chelsea profile →
18
Premises
known addresses (UPRNs)
82
Applications
66 decided
97%
Approval rate
64 approved · 2 refused
11
EPC records
ratings C 3 · D 6 · E 2
82
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 3RT has 18 known premises and 82 planning records — 64 approved of 66 decided (97%). 11 EPC records.
Premises
Name
Details
UPRN 217002565
UPRN 217002566
UPRN 217002567
UPRN 217002568
UPRN 217002569
UPRN 217002570
UPRN 217002571
UPRN 217002572
UPRN 217002573
UPRN 217002574
UPRN 217002565
UPRN 217002566
UPRN 217002567
Show all 10 rows
UPRN 217002568
UPRN 217002569
UPRN 217002570
UPRN 217002571
UPRN 217002572
UPRN 217002573
UPRN 217002574
Planning
What happened?
82 planning applications across the postcode; 64 approved of 66 decided (97%). Latest 30 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Enlargement of existing ground floor rear extension with additional skylight
9 Astell Street, London, SW3 3RT · premises record
Applicant Lundin · Officer Aaron Gormley
Planning Permission
Pre-Determination Stage
2026-03-18
Details required by conditions 8c and d (small scale sampling) of planning permission 22/07636 (Alterations including extending rear ground floor elevation, together with squaring off back at first floor level and provision of roof lantern and flue at roof level. Replacement of existing garage door with window to match other houses in terrace and new front door to front elevation. Alterations to rear elevation including new windows together with an a/c unit, acoustic enclosure, timber pergola, and garden store to rear)
29 Astell Street, London, SW3 3RT · premises record
Applicant Jamal · Officer Jessica Robinson
Discharge of Conditions
Approved
2024-09-05
Installation of french doors to rear elevation at basement level, including creation of a lightwell with metal grate/ walk-on glass. Alterations to patio wall and stairs. Amendment to previously approved application PP/23/00586.
11 Astell Street, London, SW3 3RT · premises record
Applicant Houldsworth · Officer Lolade Williams
Planning Permission
Approved
2024-08-14
Details required by conditions 8c and d (small scale sampling) of planning permission 22/07636 (Alterations including extending rear ground floor elevation, together with squaring off back at first floor level and provision of roof lantern and flue at roof level. Replacement of existing garage door with window to match other houses in terrace and new front door to front elevation. Alterations to rear elevation including new windows together with an a/c unit, acoustic enclosure, timber pergola, and garden store to rear)
29 Astell Street, London, SW3 3RT · premises record
Applicant H Jamal · Officer Jonathan Kwok
Discharge of Conditions
Withdrawn
2024-03-25
Details required by Condition 4 (Sustainable drainage systems strategy) and 5 (submission of details) of planning permission PP/23/00586.
11 Astell Street, London, SW3 3RT · premises record
Applicant Houldsworth · Officer Jonathan Kwok
Discharge of Conditions
Approved
2024-03-19
Details required by Conditions 8 (small scale sampling -a) Searches of readily available environmental and historical information (EHI) and a soil sampling and analyses exercise (SAE) are undertaken for any garden, landscaping and/or yard (GLY) area and a corresponding SAE report is produced.b) Where mean concentrations of a contaminant within the soil over a part of or the whole of a site exceed generic or detailed quantitative risk assessment criteria (RAC), a remediation strategy (RS) will be produced); 9 (ground gas and vapour protection for extensions conditions (full discharge) of planning permission PP/22/07636 (Alterations including extending rear ground floor elevation, together with squaring off back at first floor level and provision of roof lantern and flue at roof level. Replacement of existing garage door with window to match other houses in terrace and new front door to front elevation. Alterations to rear elevation including new windows together with an a/c unit, acoustic enclosure, timber pergola, and garden store to rear)
29 Astell Street, London, SW3 3RT · premises record
Applicant Jamal · Officer John Asiamah
Discharge of Conditions
Approved
2023-11-13
Details required by Condition 8 (Surface water drainage (SuDS)) of planning permission PP/21/04655 (Erection of single storey infill and rear extension at ground floor level. Excavation and construction of new basement under proposed ground floor footprint and partially under both front and rear gardens)
31 Astell Street, London, SW3 3RT · premises record
Applicant Bereceli · Officer Jonathan Kwok
Discharge of Conditions
Approved
2023-09-25
Details required by conditions 8 (small scale sampling) and 9 (ground as and vapour protection for extensions condition) of planning permission 22/07636 (Alterations including extending rear ground floor elevation, together with squaring off back at first floor level and provision of roof lantern and flue at roof level. Replacement of existing garage door with window to match other houses in terrace and new front door to front elevation. Alterations to rear elevation including new windows together with an a/c unit, acoustic enclosure, timber pergola, and garden store to rear)
29 Astell Street, London, SW3 3RT · premises record
Applicant G Jones · Officer David Batchelor
Discharge of Conditions
Refused
2023-09-08
FELL - or -Prune 1 x Pseudoacacia tree in rear garden.
23 Astell Street, London, SW3 3RT · premises record
Applicant Assa · Officer Jessica Stocks
Part Fell Part Prune
No objection
2023-05-05
FELL 1x Magnolia tree in rear garden
29 Astell Street, London, SW3 3RT · premises record
Applicant Jamal · Officer Jessica Stocks
Fell
No objection
2023-04-25
Enlargement of existing ground floor rear extension with additional skylight
9 Astell Street, London, SW3 3RT · premises record
Applicant Lundin · Officer Aaron Gormley
Pre-Determination Stage
2026-03-18
More
Planning Permission
Details required by conditions 8c and d (small scale sampling) of planning permission 22/07636 (Alterations including extending rear ground floor elevation, together with squaring off back at first floor level and provision of roof lantern and flue at roof level. Replacement of existing garage door with window to match other houses in terrace and new front door to front elevation. Alterations to rear elevation including new windows together with an a/c unit, acoustic enclosure, timber pergola, and garden store to rear)
29 Astell Street, London, SW3 3RT · premises record
Applicant Jamal · Officer Jessica Robinson
Approved
2024-09-05
More
Discharge of Conditions
Installation of french doors to rear elevation at basement level, including creation of a lightwell with metal grate/ walk-on glass. Alterations to patio wall and stairs. Amendment to previously approved application PP/23/00586.
11 Astell Street, London, SW3 3RT · premises record
Applicant Houldsworth · Officer Lolade Williams
Approved
2024-08-14
More
Planning Permission
Show all 10 rows
Details required by conditions 8c and d (small scale sampling) of planning permission 22/07636 (Alterations including extending rear ground floor elevation, together with squaring off back at first floor level and provision of roof lantern and flue at roof level. Replacement of existing garage door with window to match other houses in terrace and new front door to front elevation. Alterations to rear elevation including new windows together with an a/c unit, acoustic enclosure, timber pergola, and garden store to rear)
29 Astell Street, London, SW3 3RT · premises record
Applicant H Jamal · Officer Jonathan Kwok
Withdrawn
2024-03-25
More
Discharge of Conditions
Details required by Condition 4 (Sustainable drainage systems strategy) and 5 (submission of details) of planning permission PP/23/00586.
11 Astell Street, London, SW3 3RT · premises record
Applicant Houldsworth · Officer Jonathan Kwok
Approved
2024-03-19
More
Discharge of Conditions
Details required by Conditions 8 (small scale sampling -a) Searches of readily available environmental and historical information (EHI) and a soil sampling and analyses exercise (SAE) are undertaken for any garden, landscaping and/or yard (GLY) area and a corresponding SAE report is produced.b) Where mean concentrations of a contaminant within the soil over a part of or the whole of a site exceed generic or detailed quantitative risk assessment criteria (RAC), a remediation strategy (RS) will be produced); 9 (ground gas and vapour protection for extensions conditions (full discharge) of planning permission PP/22/07636 (Alterations including extending rear ground floor elevation, together with squaring off back at first floor level and provision of roof lantern and flue at roof level. Replacement of existing garage door with window to match other houses in terrace and new front door to front elevation. Alterations to rear elevation including new windows together with an a/c unit, acoustic enclosure, timber pergola, and garden store to rear)
29 Astell Street, London, SW3 3RT · premises record
Applicant Jamal · Officer John Asiamah
Approved
2023-11-13
More
Discharge of Conditions
Details required by Condition 8 (Surface water drainage (SuDS)) of planning permission PP/21/04655 (Erection of single storey infill and rear extension at ground floor level. Excavation and construction of new basement under proposed ground floor footprint and partially under both front and rear gardens)
31 Astell Street, London, SW3 3RT · premises record
Applicant Bereceli · Officer Jonathan Kwok
Approved
2023-09-25
More
Discharge of Conditions
Details required by conditions 8 (small scale sampling) and 9 (ground as and vapour protection for extensions condition) of planning permission 22/07636 (Alterations including extending rear ground floor elevation, together with squaring off back at first floor level and provision of roof lantern and flue at roof level. Replacement of existing garage door with window to match other houses in terrace and new front door to front elevation. Alterations to rear elevation including new windows together with an a/c unit, acoustic enclosure, timber pergola, and garden store to rear)
29 Astell Street, London, SW3 3RT · premises record
Applicant G Jones · Officer David Batchelor
Refused
2023-09-08
More
Discharge of Conditions
FELL - or -Prune 1 x Pseudoacacia tree in rear garden.
23 Astell Street, London, SW3 3RT · premises record
Applicant Assa · Officer Jessica Stocks
No objection
2023-05-05
More
Part Fell Part Prune
FELL 1x Magnolia tree in rear garden
29 Astell Street, London, SW3 3RT · premises record
Applicant Jamal · Officer Jessica Stocks
No objection
2023-04-25
More
Fell
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 18 premises each one covers.
Designation
Coverage
Conservation Area
Chelsea · reference 27 · covers 18 of 18 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
Tree Preservation Zone
Named designation not supplied · reference 27 · covers 18 of 18 premises. Protected-tree works may require consent or formal notice.
Article 4 Direction Area
Article 4 - No 100 · reference 79 · covers 18 of 18 premises. Some normally permitted changes may require planning permission.
Conservation Area
Chelsea · reference 27 · covers 18 of 18 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
Tree Preservation Zone
Named designation not supplied · reference 27 · covers 18 of 18 premises. Protected-tree works may require consent or formal notice.
Article 4 Direction Area
Article 4 - No 100 · reference 79 · covers 18 of 18 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 6 applications
Applicant on 3 applications
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Case officer on 6 applications
Case officer on 4 applications
Applicant on 6 applications
Applicant on 3 applications
Applicant on 1 application
Show all 10 rows
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Case officer on 6 applications
Case officer on 4 applications
Development
What could it become?
Planning precedent82 applications and 82 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy11 EPC records; ratings C: 3, D: 6, 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.
Thinking about a project here?
Boundary: OS Postcode Unit areas (Ordnance Survey), 2026-08-14. Planning records: canonical stage2. EPC: EPC register. Premises: OS AddressBase / UPRN.