Flat 14, 43 Lowndes Square, London, SW1X 9JL Data via plota.co.uk
Proposal
Confirmation that the lawful implementation of planning permission dated 4 July 2023 () for Provision of an additional storey of accommodation and private amenity space, as amended by S96a of the Town and Country Planning Act 1990 (as amended) to allow demolition and rebuild of existing chimney stack internally and externally for the purpose of construction works and addition of South Elevation drawing, PL 173 (amended description) dated 6 May 2026 (Ref: NMA/26/00831).(Certificate of Lawful Existing Proposed/Use Development) Data via plota.co.uk
Application progress
Approved on 14 Oct 2026 · Last checked 18 Oct 2026
Associated applications 5
- Confirmation that the lawful implementation of planning permission dated 4 July 2023 for Provision of an additional storey…
Show 3 more · 3 approved
Site constraints 12
Show all 4 with distances
- 34 m190-192 Sloane StreetGrade II
- 83 m11 and 12, Lowndes Square Sw1Grade II
- 145 mLincoln HouseGrade II
- 146 m4a and 5, Sloane StreetGrade II
Checked on 2 November 2026. Historic England, the Environment Agency, Natural England, the Planning Inspectorate, Transport for London (public transport access levels, Powered by TfL Open Data, OGL v3.0, contains OS data © Crown copyright and database right 2025) and council datasets, Open Government Licence. A boundary can run through a site and the council holds the definitive record: confirm with the council before relying on this.
Building
From the energy performance certificate lodged in September 2016, the latest held for this property, matched to this application by its address. The building may have changed since. View the certificate
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Important details
- Council
- Kensington and Chelsea
- Application type
- Certificates Lawful Existing Use or Dev.
- Postcode
- SW1X 9JL
- Received
- 19 Aug 2026
- Validated
- 28 Aug 2026
- Ward
- Brompton and Hans Town
- Case officer
- Show
- Target decision
- 23 Oct 2026
- Decision
- Granted
- Decision date
- 14 Oct 2026
- Applicant
- Show
- Leaseholder
- Show
Consultation & key dates
- Comments by
- 25 Sept 2026
Historical activity at this location
26 previous applications on record - archival context, not part of the live application.
Previous applications at this address
Nearby activity
Kensington and Chelsea ranks #174 out of 296 councils for householder decision speed. Householder applications are slightly more likely to be approved here (94%) than the national average (90%).
Freehold boundary: © Crown copyright and database rights 2026, HM Land Registry. Polygons © Crown copyright and database rights 2026 Ordnance Survey 100026316. Conditions of use
Energy performance: Energy performance certificates from the Energy Performance of Buildings Register, Ministry of Housing, Communities and Local Government. Contains public sector information licensed under the Open Government Licence v3.0. © Crown copyright 2026.
Leaseholders: Information produced by HM Land Registry. © Crown copyright 2026. Source: HM Land Registry, UK and overseas companies that own property in England and Wales, September 2026 release.
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Flat 14, 43 Lowndes Square, London, SW1X 9JL
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Leaseholders, on paid plans
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Council archive
Flat 14, 43 Lowndes Square, London, SW1X 9JL
Provision of an additional storey of accommodation and private amenity space
- Received
- 17 Feb 2022
- Decided
- 4 Jul 2023
- Outcome
- Approved