15 Eaton Mews South London SW1W 9HP Data via plota.co.uk
Proposal
Installation of railings and sliding lantern light at main roof level in connection with the use of the roof as a terrace. Data via plota.co.uk
Application progress
Under consideration
No decision has been issued yet. Plota predicts a decision between 5 Nov 2026 and 14 Nov 2026, from Westminster's recent extensions.
Documents 6
Statements & assessments 1
Plans & drawings 3
Application forms 1
Other documents 1
Site constraints 11
Show all 22 with distances
- 4 m8 to 23 Eaton Square including 57 Lower Belgrave StreetGrade II*
- 12 m1-13, Chester Square Sw1Grade II
- 15 m84-88, Chester Square Sw1Grade II
- 46 mNos 77 to 80 (consec), 80a and Mews Arch, Chester SquareGrade II
- 52 m49-55, Lower Belgrave Street Sw1Grade II
- 70 m47, Lower Belgrave Street Sw1Grade II
- 78 m65-76, Chester Square Sw1Grade II
- 86 m16-46, Lower Belgrave Street Sw1Grade II
- 86 mNos 24 and 24a to 48 (consecutive) including Nos 72 and 72a Elizabeth StreetGrade II*
- 88 m14-23, Chester Square Sw1Grade II
- 90 m1-7, Eaton Square Sw1Grade II
- 101 m22, 22a, 22b and 22d, Ebury Street W1Grade II
- 107 mThe Plumbers Arms Public HouseGrade II
- 114 m4-12 Lower Belgrave Street and 16 Ebury Street Sw1Grade II
- 119 m1-8 Lygon PlaceGrade II
- 129 m46-63 Chester Square Including No. 39 Eccleston StreetGrade II
- 132 m6, Hobart Place Sw1Grade II
- 134 m24-32, Eccleston Street Sw1Grade II
- 141 m2-34, Grosvenor Gardens Sw1Grade II
- 143 m103-118, Eaton Square Sw1Grade II*
- 148 m1-4, Hobart Place Sw1Grade II
- 149 mChurch of St PeterGrade II*
Checked on 6 October 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 1
Last sold for £1,825,000 in April 2008. 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 November 2022, 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.
Other new applications on this street
18 Eaton Mews South London SW1W 9HP
Creation of roof terrace at main roof level, accessed via a sliding box access r...
36 Eaton Mews South London SW1W 9HR
Construction of a roof-level stair enclosure and associated housing for the boil...
1 - 4 Eaton Mews West London SW1W 9ET
Detailed drawings and photographic samples of facing materials pursuant to condi...
Nearby new applications
Listed Buildings Surrounding Eaton Square London
Preparing a draft Local Listed Building Consent Order (LLBCO) for retrofit works...
Flat 1, 25 Cliveden Place, London, SW1W 8HD
Internal alterations comprising creation of opening in spine wall between recept...
2 Sloane Gardens, London, SW1W 8DL
Non-material amendment to planning permission PP/25/05744 to allow a permanent w...
35 Chester Row London SW1W 9JE
Details of the raised boundary wall and sample panel pursuant to condition 4 of ...
52 Eaton Place London SW1X 8AL
Replacement of the approved second-floor rear sash window with painted timber Fr...
Flat 2 3 Belgrave Place London SW1X 8BU
Removal of existing roof mounted plant and replacement with consolidated unit se...
Important details
- Council
- Westminster
- Application type
- Full Planning Permission Application
- Postcode
- SW1W 9HP
- Received
- 15 Sept 2026
- Validated
- 15 Sept 2026
- Ward
- Knightsbridge & Belgravia
- Case officer
- Show
- Target decision
- 10 Nov 2026
- Applicant
- Show
- Agent
- Stephen Evans Architects
- Leaseholder
- Show
Decision outlook
Day 44 of the 56-day target. Westminster usually decides extensions by day 55.
Plota live figures for extensions decided by Westminster in the last twelve months, from validation. Westminster decision record →
Public comments
No public comments yet.
22 neighbours consulted · Last counted 28 Oct 2026
Consultation & key dates
- Alt. reference
- PP-15225688
- Planning Portal ref
- PP-15225688
- Comments by
- 4 Nov 2026
- Site or press notice
- 14 Oct 2026
- Env. assessment
- No
Historical activity at this location
27 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.
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.
Track this application
15 Eaton Mews South London SW1W 9HP
Tracking this application
Not there after a minute? Check your junk folder. It's from alerts@plota.co.uk.
Go to your dashboard →Sign in to view contact details
Applicant and case-officer names are hidden from public view for privacy. Create a free Plota account - or sign back in - and we'll show them, plus you get a dashboard for alerts and tracked applications.
Check your email
Leaseholders, on paid plans
The companies holding a lease of this property or of part of its building, from HM Land Registry's register of company-owned property, with its status, business and the companies that control it from Companies House, is shown to Plota subscribers. Plans start at £49 a month.
See paid plansAlready subscribed? Sign in with the email on your plan and this page will show it.
That's today's owners
Your plan shows up to 100 freehold owners a day on the site, and more from tomorrow. For owners in bulk, the API gives them on every record on the Pro plan and above.
See API plans
Comments are open until 4 Nov 2026