Postcode record · Kensington And Chelsea
SW7 3NX.
SW7 3NX has 31 known premises and 73 planning records — 58 approved of 64 decided (90.6%). 13 EPC records.
Postcode SW7 3NX · boundary not held, centred on the postcodeApprovedRefusedOther73 exact3 approximate76 on the map — every match
At a glance · this postcodeKensington And Chelsea profile →
31
Premises
known addresses (UPRNs)
73
Applications
64 decided
90.6%
Approval rate
58 approved · 6 refused
13
EPC records
ratings C 4 · D 7 · E 1 · F 1
76
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?
SW7 3NX has 31 known premises and 73 planning records — 58 approved of 64 decided (90.6%). 13 EPC records.
Premises (18 of 31 shown)
Name
Details
UPRN 217062414
UPRN 217062415
UPRN 217062416
UPRN 217062417
UPRN 217062418
UPRN 217062419
UPRN 217062420
UPRN 217062421
UPRN 217062422
UPRN 217062423
UPRN 217062414
UPRN 217062415
UPRN 217062416
Show all 10 rows
UPRN 217062417
UPRN 217062418
UPRN 217062419
UPRN 217062420
UPRN 217062421
UPRN 217062422
UPRN 217062423
Planning
What happened?
73 planning applications across the postcode; 58 approved of 64 decided (90.6%). Latest 30 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Installation of timber frame trellis affixed to existing planter on existing upper floor terrace (retrospective application).
Flat 2, 46 Onslow Square, London, SW7 3NX · premises record
Applicant Mongeau · Officer Jake Brown
Planning Permission
Approved
2025-12-22
Installation of timber frame trellis affixed to existing planter on existing upper floor terrace (retrospective application).
Flat 2, 46 Onslow Square, London, SW7 3NX · premises record
Applicant Mongeau · Officer Jake Brown
Listed Building Consent
Approved
2025-12-22
Prune (as specified)
Gardens Rear Of 44/54 Sumner Place, Onslow Gardens, London, SW7 · premises record
Applicant Cleaver · Officer Angus Morrison
Prune
Approved
2024-08-15
Prune 1 x London Plane (Platanus x hispanica) and 1 x Apple sp. (Malus sp.) in rear communal gardens.
Gardens Rear Of 44/54 Sumner Place, Onslow Gardens, London · premises record
Applicant Cleaver · Officer Angus Morrison
Prune
Approved
2023-09-22
Details required by Condition 3m (Submission of details - Schedule of works) of listed building consent 21/02931 (Reconfiguration of flat 2 at first floor level and flat 4 at second floor level following insertion of an internal staircase to rear of property, and provision of a 1x1 bed unit at second floor level following the subdivision at flat 4 with associated internal alterations. Externally, the proposals seek to infill the non-original window on second floor in brick and mortar to match the colour of the existing, and refurbishment and replacement of relevant windows as existing, and replacement of French doors to the rear as existing).***WITHDRAWN***
Flats 2 & 4, 46 Onslow Square, London, SW7 3NX · premises record
Applicant Mongeau · Officer Mary Kearns
Discharge of Conditions
Withdrawn
2023-01-17
Details required by Condition 3e (Submission of details-built-in joinery) of listed building consent 21/02931 (Reconfiguration of flat 2 at first floor level and flat 4 at second floor level following insertion of an internal staircase to rear of property, and provision of a 1x1 bed unit at second floor level following the subdivision at flat 4 with associated internal alterations. Externally, the proposals seek to infill the non-original window on second floor in brick and mortar to match the colour of the existing, and refurbishment and replacement of relevant windows as existing, and replacement of French doors to the rear as existing).
Flats 2 & 4, 46 Onslow Square, London, SW7 3NX · premises record
Applicant Mongeau · Officer Justine Page
Discharge of Conditions
Approved
2022-11-22
Details required by Condition 3c (Submission of details-internal stairs) of listed building consent 21/02931 (Reconfiguration of flat 2 at first floor level and flat 4 at second floor level following insertion of an internal staircase to rear of property, and provision of a 1x1 bed unit at second floor level following the subdivision at flat 4 with associated internal alterations. Externally, the proposals seek to infill the non-original window on second floor in brick and mortar to match the colour of the existing, and refurbishment and replacement of relevant windows as existing, and replacement of French doors to the rear as existing).
Flats 2 & 4, 46 Onslow Square, London, SW7 3NX · premises record
Applicant Mongeau · Officer Justine Page
Discharge of Conditions
Approved
2022-11-22
Details required by condition 3j (Submission of details - Drawings of any proposed external vents/ extract flues indicating location, size, projection from building, materials, colour and finish) of listed building consent 21/02931 (Reconfiguration of flat 2 at first floor level and flat 4 at second floor level following insertion of an internal staircase to rear of property, and provision of a 1x1 bed unit at second floor level following the subdivision at flat 4 with associated internal alterations.Externally, the proposals seek to infill the non-original window on second floor in brick and mortar to match the colour of the existing, and refurbishment and replacement of relevant windows as existing, and replacement of French doors to the rear as existing)
Flats 2 & 4, 46 Onslow Square, London, SW7 3NX · premises record
Applicant Mongeau · Officer Justine Page
Discharge of Conditions
Approved
2022-10-14
Details required by condition 3g (Submission of details- Drawings at 1:10 or 1:5, showing fan coil units (airconditioning) in elevation showing context ) of listed building consent 21/02931 (Reconfiguration of flat 2 at first floor level and flat 4 at second floor level following insertion of an internal staircase to rear of property, and provision of a 1x1 bed unit at second floor level following the subdivision at flat 4 with associated internal alterations.Externally, the proposals seek to infill the non-original window on second floor in brick and mortar to match the colour of the existing, and refurbishment and replacement of relevant windows as existing, and replacement of French doors to the rear as existing)
Flats 2 & 4, 46 Onslow Square, London, SW7 3NX · premises record
Applicant Mongeau · Officer Justine Page
Discharge of Conditions
Approved
2022-10-14
Details required by Condition 3 (L) (Submission of details - service and plumbing) of Listed Building Consent LB/21/02931 (Reconfiguration of flat 2 at first floor level and flat 4 at second floor level following insertion of an internal staircase to rear of property, and provision of a 1x1 bed unit at second floor level following the subdivision at flat 4 with associated internal alterations. Externally, the proposals seek to infill the non-original window on second floor in brick and mortar to match the colour of the existing, and refurbishment and replacement of relevant windows as existing, and replacement of French doors to the rear as existing)
Flats 2 & 4, 46 Onslow Square, London, SW7 3NX · premises record
Applicant Mongeau · Officer Justine Page
Discharge of Conditions
Approved
2022-10-12
Installation of timber frame trellis affixed to existing planter on existing upper floor terrace (retrospective application).
Flat 2, 46 Onslow Square, London, SW7 3NX · premises record
Applicant Mongeau · Officer Jake Brown
Approved
2025-12-22
More
Planning Permission
Installation of timber frame trellis affixed to existing planter on existing upper floor terrace (retrospective application).
Flat 2, 46 Onslow Square, London, SW7 3NX · premises record
Applicant Mongeau · Officer Jake Brown
Approved
2025-12-22
More
Listed Building Consent
Prune (as specified)
Gardens Rear Of 44/54 Sumner Place, Onslow Gardens, London, SW7 · premises record
Applicant Cleaver · Officer Angus Morrison
Approved
2024-08-15
More
Prune
Show all 10 rows
Prune 1 x London Plane (Platanus x hispanica) and 1 x Apple sp. (Malus sp.) in rear communal gardens.
Gardens Rear Of 44/54 Sumner Place, Onslow Gardens, London · premises record
Applicant Cleaver · Officer Angus Morrison
Approved
2023-09-22
More
Prune
Details required by Condition 3m (Submission of details - Schedule of works) of listed building consent 21/02931 (Reconfiguration of flat 2 at first floor level and flat 4 at second floor level following insertion of an internal staircase to rear of property, and provision of a 1x1 bed unit at second floor level following the subdivision at flat 4 with associated internal alterations. Externally, the proposals seek to infill the non-original window on second floor in brick and mortar to match the colour of the existing, and refurbishment and replacement of relevant windows as existing, and replacement of French doors to the rear as existing).***WITHDRAWN***
Flats 2 & 4, 46 Onslow Square, London, SW7 3NX · premises record
Applicant Mongeau · Officer Mary Kearns
Withdrawn
2023-01-17
More
Discharge of Conditions
Details required by Condition 3e (Submission of details-built-in joinery) of listed building consent 21/02931 (Reconfiguration of flat 2 at first floor level and flat 4 at second floor level following insertion of an internal staircase to rear of property, and provision of a 1x1 bed unit at second floor level following the subdivision at flat 4 with associated internal alterations. Externally, the proposals seek to infill the non-original window on second floor in brick and mortar to match the colour of the existing, and refurbishment and replacement of relevant windows as existing, and replacement of French doors to the rear as existing).
Flats 2 & 4, 46 Onslow Square, London, SW7 3NX · premises record
Applicant Mongeau · Officer Justine Page
Approved
2022-11-22
More
Discharge of Conditions
Details required by Condition 3c (Submission of details-internal stairs) of listed building consent 21/02931 (Reconfiguration of flat 2 at first floor level and flat 4 at second floor level following insertion of an internal staircase to rear of property, and provision of a 1x1 bed unit at second floor level following the subdivision at flat 4 with associated internal alterations. Externally, the proposals seek to infill the non-original window on second floor in brick and mortar to match the colour of the existing, and refurbishment and replacement of relevant windows as existing, and replacement of French doors to the rear as existing).
Flats 2 & 4, 46 Onslow Square, London, SW7 3NX · premises record
Applicant Mongeau · Officer Justine Page
Approved
2022-11-22
More
Discharge of Conditions
Details required by condition 3j (Submission of details - Drawings of any proposed external vents/ extract flues indicating location, size, projection from building, materials, colour and finish) of listed building consent 21/02931 (Reconfiguration of flat 2 at first floor level and flat 4 at second floor level following insertion of an internal staircase to rear of property, and provision of a 1x1 bed unit at second floor level following the subdivision at flat 4 with associated internal alterations.Externally, the proposals seek to infill the non-original window on second floor in brick and mortar to match the colour of the existing, and refurbishment and replacement of relevant windows as existing, and replacement of French doors to the rear as existing)
Flats 2 & 4, 46 Onslow Square, London, SW7 3NX · premises record
Applicant Mongeau · Officer Justine Page
Approved
2022-10-14
More
Discharge of Conditions
Details required by condition 3g (Submission of details- Drawings at 1:10 or 1:5, showing fan coil units (airconditioning) in elevation showing context ) of listed building consent 21/02931 (Reconfiguration of flat 2 at first floor level and flat 4 at second floor level following insertion of an internal staircase to rear of property, and provision of a 1x1 bed unit at second floor level following the subdivision at flat 4 with associated internal alterations.Externally, the proposals seek to infill the non-original window on second floor in brick and mortar to match the colour of the existing, and refurbishment and replacement of relevant windows as existing, and replacement of French doors to the rear as existing)
Flats 2 & 4, 46 Onslow Square, London, SW7 3NX · premises record
Applicant Mongeau · Officer Justine Page
Approved
2022-10-14
More
Discharge of Conditions
Details required by Condition 3 (L) (Submission of details - service and plumbing) of Listed Building Consent LB/21/02931 (Reconfiguration of flat 2 at first floor level and flat 4 at second floor level following insertion of an internal staircase to rear of property, and provision of a 1x1 bed unit at second floor level following the subdivision at flat 4 with associated internal alterations. Externally, the proposals seek to infill the non-original window on second floor in brick and mortar to match the colour of the existing, and refurbishment and replacement of relevant windows as existing, and replacement of French doors to the rear as existing)
Flats 2 & 4, 46 Onslow Square, London, SW7 3NX · premises record
Applicant Mongeau · Officer Justine Page
Approved
2022-10-12
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 31 premises each one covers.
Designation
Coverage
Conservation Area
Thurloe/Smith's Charity · reference 19 · covers 31 of 31 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
Article 4 Direction Area
Article 4 - No 100 · reference 79 · covers 31 of 31 premises. Some normally permitted changes may require planning permission.
Tree Preservation Zone
Named designation not supplied · reference 19 · covers 31 of 31 premises. Protected-tree works may require consent or formal notice.
Conservation Area
Thurloe/Smith's Charity · reference 19 · covers 31 of 31 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
Article 4 Direction Area
Article 4 - No 100 · reference 79 · covers 31 of 31 premises. Some normally permitted changes may require planning permission.
Tree Preservation Zone
Named designation not supplied · reference 19 · covers 31 of 31 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?
Named on the latest 30 applications in this postcode — the party who applied, not the owner or occupier.
Name
Details
Applicant on 11 applications
Applicant on 2 applications
Applicant on 2 applications
Case officer on 12 applications
Case officer on 5 applications
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
Applicant on 11 applications
Applicant on 2 applications
Applicant on 2 applications
Show all 10 rows
Case officer on 12 applications
Case officer on 5 applications
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
Development
What could it become?
Planning precedent73 applications and 76 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy13 EPC records; ratings C: 4, D: 7, 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.
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.