107 Eaton Square London SW1W 9AA Data via plota.co.uk
Proposal
Amendments to planning permission dated 23 August 2021 (RN: ) for 'Demolition and redevelopment behind retained front and part facades as well as the demolition and reconstruction of mews properties to create two single family dwelling houses. Associated alterations and extensions include subterranean basements, which will extend beneath the mews; re-instatement of the party wall in the rear courtyard; re-instatement of entrance to no.108; rear lower ground floor extensions partially infilling the rear courtyard and with roof terraces above; construction of full height closet wing extensions; reconstruction of mansard roof extension; installation of mechanical plant; and internal alterations on all floor levels (Site includes nos. 107 - 108 Eaton Square and nos. 107 - 108 Eccleston Mews) (as amended by RN: ). Namely, internal changes to door openings, setting out and addition of insulation and minor changes to front entrance doors. Data via plota.co.uk
Application progress
Approved on 10 Feb 2026 · Delegated Decision · Last checked 18 Oct 2026
Documents 10
Decision & officer reports 2
Statements & assessments 1
Plans & drawings 2
Application forms 2
Associated applications 3
Part of
Conditions varied
- Variationarchive
- AmendmentAmendments to planning permission dated 23 August 2021 (RN) for 'Demolition and redevelopment…This application25/07907/NMA
Site constraints 11
Show the other 17 with distances
- 37 mNumber 11 Including Mews ArchGrade II
- 42 m4-34, EATON PLACE SW1 (See details for further address information)Grade II*
- 48 mK6 Telephone Kiosk Outside Flank Elevation of Number 103 Eaton SquareGrade II
- 63 m83-102, Eaton Square Sw1Grade II*
- 80 m36-54, Eaton Place Sw1Grade II
- 86 mNos. 1-31, EATON PLACE; Nos. 17, 18 AND 19 BELGRAVE PLACE AND ADJOINING MEWS ARCHGrade II*
- 107 m2-5, BELGRAVE PLACE SW1 (See details for further address information)Grade II
- 111 m12 and 13, Upper Belgrave Street Sw1Grade II
- 117 m3-11, Upper Belgrave Street Sw1Grade II*
- 124 m8 to 23 Eaton Square including 57 Lower Belgrave StreetGrade II*
- 125 mChurch of St PeterGrade II*
- 136 m37-43, Eaton Place Sw1Grade II
- 136 m1-7, Eaton Square Sw1Grade II
- 138 m25-36, Belgrave Square Sw1Grade I
- 141 mNos 24 and 24a to 48 (consecutive) including Nos 72 and 72a Elizabeth StreetGrade II*
- 143 m16a, Wilton Street Sw1Grade II
- 145 m1, Belgrave 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.
Building
From the energy performance certificate lodged in November 2025, the latest held for this property. The building may have changed since. View the certificate
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Important details
- Council
- Westminster
- Application type
- Non-material amendments
- Postcode
- SW1W 9AA
- Received
- 31 Oct 2025
- Validated
- 31 Oct 2025
- Ward
- Knightsbridge & Belgravia
- Case officer
- Show
- Target decision
- 28 Nov 2025
- Decision
- Application Permitted
- Decision date
- 10 Feb 2026
- Decision level
- Delegated Decision
- Applicant
- Show
- Agent
- Town Planning Bureau
How this decision compares
Decided in 102 days from validation, 47 days slower than Westminster's median of 55 for amendments. Approved, as 91% of amendments here are.
Plota live figures for amendments decided by Westminster in the last twelve months, from validation. Westminster decision record →
Public comments
No public comments yet.
Last counted 18 Oct 2026
Consultation & key dates
- Alt. reference
- PP-14454153
- Planning Portal ref
- PP-14454153
- Env. assessment
- No
Historical activity at this location
50 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.
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.
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107 Eaton Square London SW1W 9AA
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Referenced application
Council archive
107 Eaton Square London SW1W 9AA
Variation of condition 1 of planning permission dated 14 April 2020 (RN: 19/09994/FULL) (which varied permission dated 29th April 2016 (RN: 15/10367/FULL)) for 'Demolition and redevelopment behind retained front and part facades as well as the demolition and reconstruction of mews properties to create two single family dwelling houses. Associated alterations and extensions include subterranean basements, which will extend beneath the mews; re-instatement of the party wall in the rear courtyard; re-instatement of…
- Received
- 19 May 2021
- Decided
- 23 Aug 2021
- Outcome
- Approved
- Type
- Full
107 Eaton Square London SW1W 9AA
Amendments to planning permission dated 29 April 2016 (RN: 15/10367/FULL) for: Substantial demolition and redevelopment behind retained front facades as well as the demolition and reconstruction of mews properties to create two single family dwelling houses. Associated alterations and extensions include subterranean basements, which will extend beneath the mews, part courtyard and the rear sections of the listed buildings; re-instatement of the party wall in the rear courtyard; re-instatement of entrance to…
- Received
- 7 Jan 2020
- Decided
- 9 Apr 2020
- Outcome
- Approved