Flat 5 6 West Halkin Street London SW1X 8JA Data via plota.co.uk
Proposal
Alterations to existing flat roof at rear third floor level to form a roof terrace, raising of the parapet, installation of decking and replacement of window with a door at rear third floor level. Data via plota.co.uk
Application progress
Approved on 12 Mar 2026 · Delegated Decision · Last checked 10 Oct 2026
Documents 28
Decision & officer reports 2
Statements & assessments 1
Plans & drawings 18
Application forms 1
Other documents 6
Site constraints 8
Show the other 32 with distances
- 8 m1, Halkin Place Sw1Grade II
- 20 m3, Halkin Place Sw1Grade II
- 30 m7-14 Chesham Place Including 2-6 Lowndes StreetGrade II
- 32 m4, Halkin Place Sw1Grade II
- 34 m2-12 Halkin Arcade and 27 and 28 Motcomb Street and 11a West Halkin StreetGrade II
- 35 m9-11, HALKIN PLACE SW1 (See details for further address information)Grade II
- 36 m11, West Halkin StreetGrade II
- 39 m12A AND 14, LOWNDES STREET SW1 (See details for further address information)Grade II
- 42 mMews Arch Adjoining West of Numbers 7 and 8Grade II
- 42 mThe Star TavernGrade II
- 45 m14, 15 and 16, West Halkin StreetGrade II
- 62 m1-8, Motcomb Street Sw1Grade II
- 66 mK6 Telephone Kiosk Outside Number 27Grade II
- 67 m42, 43 and 44, Lowndes Street Sw1Grade II
- 72 mK6 Telephone Kiosk Outside Number 28Grade II
- 72 m13-23, Belgrave Square Sw1Grade I
- 75 m12, Belgrave Square Sw1Grade I
- 77 mPantechniconGrade II
- 78 mNumbers 20-23 and 23a Motcomb Street and Number 15 Lowndes StreetGrade II
- 79 m11-18, MOTCOMB STREET SW1 (See details for further address information)Grade II
- 81 m15,16 and 17, Chesham Place Sw1Grade II
- 91 m21-27, Cadogan Place Sw1Grade II
- 98 m1-3, Wilton Terrace Sw1Grade II
- 109 mThe Turks Head Public HouseGrade II
- 109 mRailings Gates and Gate Piers to Number 12Grade II*
- 118 m1-15, Wilton Crescent Sw1Grade II
- 126 mMews Arch to Southern End of Belgrave Mews WestGrade II
- 134 m1-11, Belgrave Square Sw1Grade I
- 138 m11a, Belgrave Square Sw1Grade II
- 143 m15 and 17, Pont Street Sw1Grade II
- 148 m34-50, Wilton Crescent Sw1Grade II
- 148 m28-33, Cadogan Place Sw1Grade 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.
Sales history 3
Last sold for £2,200,000 in January 2024. Flat or maisonette, leasehold.
Sale prices from HM Land Registry's price paid record, matched to this application by its address.
Building
From the energy performance certificate lodged in October 2023, the latest held for this property. The building may have changed since. View the certificate
Every application in Westminster - and every UK council - as a live feed, an API, or a bulk CSV export.
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Important details
- Council
- Westminster
- Application type
- Listed Building Consent Application
- Postcode
- SW1X 8JA
- Received
- 5 Nov 2025
- Validated
- 17 Nov 2025
- Ward
- Knightsbridge & Belgravia
- Case officer
- Show
- Target decision
- 13 Mar 2026
- Decision
- Application Permitted
- Decision date
- 12 Mar 2026
- Decision level
- Delegated Decision
- Applicant
- Show
- Agent
- Studio Act
- Leaseholder
- Show
How this decision compares
Decided in 115 days from validation, 58 days slower than Westminster's median of 57 for listed building works. Approved, as 90% of listed building works here are.
Plota live figures for listed building works decided by Westminster in the last twelve months, from validation. Westminster decision record →
Public comments
No public comments yet.
Last counted 10 Oct 2026
Consultation & key dates
- Alt. reference
- PP-13614067
- Planning Portal ref
- PP-13614067
- Comments by
- 17 Dec 2025
- Site or press notice
- 26 Nov 2025
- Env. assessment
- No
Historical activity at this location
28 previous applications on record - archival context, not part of the live application.
Previous applications at this address
Nearby activity
Westminster is slower than most councils at deciding householder applications, ranking #258 out of 296. Only 28% of applications have the time limit extended, well below the 41% national average - the council usually decides on time. Westminster is also one of the strictest councils - it refuses more householder applications than almost any other, with only 81% approved vs 90% nationally.
Sale prices: Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.
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 5 6 West Halkin Street London SW1X 8JA
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