Postcode record · Kensington And Chelsea
SW7 3LY.
SW7 3LY has 17 known premises and 31 planning records — 21 approved of 24 decided (87.5%). 10 EPC records.
Postcode SW7 3LY · boundary not held, centred on the postcodeApprovedRefusedOther31 exact31 on the map — every match
At a glance · this postcodeKensington And Chelsea profile →
17
Premises
known addresses (UPRNs)
31
Applications
24 decided
87.5%
Approval rate
21 approved · 3 refused
10
EPC records
ratings C 3 · D 7
31
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 3LY has 17 known premises and 31 planning records — 21 approved of 24 decided (87.5%). 10 EPC records.
Premises
Name
Details
UPRN 217061519
UPRN 217061520
UPRN 217061521
UPRN 217061522
UPRN 217061523
UPRN 217061524
UPRN 217061525
UPRN 217061526
UPRN 217061527
UPRN 217061528
UPRN 217061519
UPRN 217061520
UPRN 217061521
Show all 10 rows
UPRN 217061522
UPRN 217061523
UPRN 217061524
UPRN 217061525
UPRN 217061526
UPRN 217061527
UPRN 217061528
Planning
What happened?
31 planning applications across the postcode; 21 approved of 24 decided (87.5%). Latest 30 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Installation of new sash windows to front elevation ground and lower ground floors and new French doors and fanlight to rear elevation ground and lower ground floors
Flat 1, 6 Onslow Gardens, London, SW7 3LY · premises record
Applicant Mortimer · Officer Jake Brown
Listed Building Consent
Validated and Registered
2026-01-21
Installation of new sash windows to front elevation ground and lower ground floors and new French doors and fanlight to rear elevation ground and lower ground floors
Flat 1, 6 Onslow Gardens, London, SW7 3LY · premises record
Applicant Mortimer · Officer Jake Brown
Planning Permission
Validated and Registered
2026-01-21
Internal structural alterations to lower ground floor and ground floor.??
Flat 1, 6 Onslow Gardens, London, SW7 3LY · premises record
Listed Building Consent
Validated and Registered
2026-01-14
External installation of two, black gloss painted, cast iron handrails to front entrance. (Retrospective Application)
7 Onslow Gardens, London · premises record
Applicant Santarelli · Officer David Batchelor
Planning Permission
Approved
2023-05-29
External installation of two, black gloss painted, cast iron handrails to front entrance. (Retrospective Application)
7 Onslow Gardens, London · premises record
Applicant Santarelli · Officer David Batchelor
Listed Building Consent
Approved
2023-05-29
Details required by Condition 2 (submission of details - c) drawings for damp proofing for a dry membrane system, to include independent survey of findings (location and source of damp), schedule of works (methodology), materials, findings and finishes) of Listed Building consent LB/20/06324 (Roof replacement and repair, masonry repair and redecoration, joinery repair and redecoration, and tanking of electrical pavement vault)
7 Onslow Gardens, London, SW7 3LY · premises record
Applicant Not disclosed · Officer Jane Wylie
Discharge of Conditions
Approved
2021-09-30
Details required by condition 4 (Works to match - Samples required) of listed building consent 20/06324 (Roof replacement and repair, masonry repair and redecoration, joinery repair and redecoration, and tanking of electrical pavement vault.)***WITHDRAW***
6, 7 & 8 Onslow Gardens, London, SW7 3LY · premises record
Applicant Goode · Officer Caroline Ossowska
Discharge of Conditions
Withdrawn
2021-04-30
Details required by condition 2 (submission of details) and 4 (samples) of listed building consent 20/06324 (Roof replacement and repair, masonry repair and redecoration, joinery repair and redecoration, and tanking of electrical pavement vault)
6, 7 & 8 Onslow Gardens, London, SW7 3LY · premises record
Applicant Not disclosed · Officer Caroline Ossowska
Discharge of Conditions
Split
2021-04-30
Roof replacement and repair, masonry repair and redecoration, joinery repair and redecoration, and tanking of electrical pavement vault.
6, 7 & 8 Onslow Gardens, London, SW7 3LY · premises record
Applicant 6 7 8 Onslow Gardens Ltd · Officer Caroline Ossowska
Listed Building Consent
Approved
2020-11-16
Details required by condition 2 (Submission of details) of listed building consent 20/03230 (Minor internal alterations to entrance hall, cloakroom, stairs and first floor landing)
5 Onslow Gardens, London, SW7 3LY · premises record
Applicant Not disclosed · Officer Sarah Buckingham
Discharge of Conditions
Approved
2020-09-15
Installation of new sash windows to front elevation ground and lower ground floors and new French doors and fanlight to rear elevation ground and lower ground floors
Flat 1, 6 Onslow Gardens, London, SW7 3LY · premises record
Applicant Mortimer · Officer Jake Brown
Validated and Registered
2026-01-21
More
Listed Building Consent
Installation of new sash windows to front elevation ground and lower ground floors and new French doors and fanlight to rear elevation ground and lower ground floors
Flat 1, 6 Onslow Gardens, London, SW7 3LY · premises record
Applicant Mortimer · Officer Jake Brown
Validated and Registered
2026-01-21
More
Planning Permission
Internal structural alterations to lower ground floor and ground floor.??
Flat 1, 6 Onslow Gardens, London, SW7 3LY · premises record
Validated and Registered
2026-01-14
More
Listed Building Consent
Show all 10 rows
External installation of two, black gloss painted, cast iron handrails to front entrance. (Retrospective Application)
7 Onslow Gardens, London · premises record
Applicant Santarelli · Officer David Batchelor
Approved
2023-05-29
More
Planning Permission
External installation of two, black gloss painted, cast iron handrails to front entrance. (Retrospective Application)
7 Onslow Gardens, London · premises record
Applicant Santarelli · Officer David Batchelor
Approved
2023-05-29
More
Listed Building Consent
Details required by Condition 2 (submission of details - c) drawings for damp proofing for a dry membrane system, to include independent survey of findings (location and source of damp), schedule of works (methodology), materials, findings and finishes) of Listed Building consent LB/20/06324 (Roof replacement and repair, masonry repair and redecoration, joinery repair and redecoration, and tanking of electrical pavement vault)
7 Onslow Gardens, London, SW7 3LY · premises record
Applicant Not disclosed · Officer Jane Wylie
Approved
2021-09-30
More
Discharge of Conditions
Details required by condition 4 (Works to match - Samples required) of listed building consent 20/06324 (Roof replacement and repair, masonry repair and redecoration, joinery repair and redecoration, and tanking of electrical pavement vault.)***WITHDRAW***
6, 7 & 8 Onslow Gardens, London, SW7 3LY · premises record
Applicant Goode · Officer Caroline Ossowska
Withdrawn
2021-04-30
More
Discharge of Conditions
Details required by condition 2 (submission of details) and 4 (samples) of listed building consent 20/06324 (Roof replacement and repair, masonry repair and redecoration, joinery repair and redecoration, and tanking of electrical pavement vault)
6, 7 & 8 Onslow Gardens, London, SW7 3LY · premises record
Applicant Not disclosed · Officer Caroline Ossowska
Split
2021-04-30
More
Discharge of Conditions
Roof replacement and repair, masonry repair and redecoration, joinery repair and redecoration, and tanking of electrical pavement vault.
6, 7 & 8 Onslow Gardens, London, SW7 3LY · premises record
Applicant 6 7 8 Onslow Gardens Ltd · Officer Caroline Ossowska
Approved
2020-11-16
More
Listed Building Consent
Details required by condition 2 (Submission of details) of listed building consent 20/03230 (Minor internal alterations to entrance hall, cloakroom, stairs and first floor landing)
5 Onslow Gardens, London, SW7 3LY · premises record
Applicant Not disclosed · Officer Sarah Buckingham
Approved
2020-09-15
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 17 premises each one covers.
Designation
Coverage
Conservation Area
Thurloe/Smith's Charity · reference 19 · covers 17 of 17 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
Article 4 Direction Area
Article 4 - No 100 · reference 79 · covers 17 of 17 premises. Some normally permitted changes may require planning permission.
Tree Preservation Zone
Named designation not supplied · reference 19 · covers 17 of 17 premises. Protected-tree works may require consent or formal notice.
Conservation Area
Thurloe/Smith's Charity · reference 19 · covers 17 of 17 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
Article 4 Direction Area
Article 4 - No 100 · reference 79 · covers 17 of 17 premises. Some normally permitted changes may require planning permission.
Tree Preservation Zone
Named designation not supplied · reference 19 · covers 17 of 17 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 5 applications
Applicant on 3 applications
Applicant on 3 applications
Applicant on 2 applications
Applicant on 1 application
Applicant on 1 application
Case officer on 4 applications
Case officer on 3 applications
Case officer on 3 applications
Case officer on 2 applications
Applicant on 5 applications
Applicant on 3 applications
Applicant on 3 applications
Show all 10 rows
Applicant on 2 applications
Applicant on 1 application
Applicant on 1 application
Case officer on 4 applications
Case officer on 3 applications
Case officer on 3 applications
Case officer on 2 applications
Development
What could it become?
Planning precedent31 applications and 31 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy10 EPC records; ratings C: 3, D: 7.
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?
How long would a planning application take here? →
Kensington And Chelsea's real decision times and approval rates, measured from the record — not the statutory target.
Why do applications around here get refused? →
The most common refusal grounds in Kensington And Chelsea, by year and scheme type — the risks to know before applying.
Boundary: OS Postcode Unit areas (Ordnance Survey), 2026-08-14. Planning records: canonical stage2. EPC: EPC register. Premises: OS AddressBase / UPRN.