54 Chester Square London SW1W 9EA Data via plota.co.uk

26/01509/ADFULL - Approval of Details (Full PP) Approved
Admin / proceduralExtensions & alterations

Proposal

Detailed drawings of new infill roof and boundary wall trellis pursuant to Condition 4 of planning permission dated 20th February 2026 (RN: 25/08369/FULL). Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
9 Mar 2026
✓
Validated
11 Mar 2026
✓
Approved
20 Mar 2026

Approved on 20 Mar 2026 · Delegated Decision · Last checked 28 Jul 2026

Documents 14

Decision & officer reports 2

PDF APPR. OF DETAILS-FULL RESMAT [PE] Decision Notice · 20 Mar 2026 View ↗ PDF DELEGATED REPORT Report · 20 Mar 2026 View ↗

Plans & drawings 4

PDF DETAILS - PROPOSED Drawing · 9 Mar 2026 View ↗ PDF SECTIONS E3 Drawing · 9 Mar 2026 View ↗ PDF SECTIONS E4 Drawing · 9 Mar 2026 View ↗ PDF SECTIONS S2 AND S3 Drawing · 9 Mar 2026 View ↗

Application forms 1

PDF APPLICATION FORM REDACTED Application Form · 9 Mar 2026 View ↗

Other documents 7

PDF ACK-APPROVAL OF DETAILS APPL. Background Papers · 19 Mar 2026 View ↗ PDF RECEIPT OF APPLICATION Other · 12 Mar 2026 View ↗ PDF 1ST INVALID LETTER Background Papers · 12 Mar 2026 View ↗ PDF COVER LETTER Background Papers · 9 Mar 2026 View ↗ IMG IMAGE0 Photo · 9 Mar 2026 View ↗ IMG IMAGE1 Photo · 9 Mar 2026 View ↗ IMG IMAGE2 Photo · 9 Mar 2026 View ↗

All documents on the council site ↗

Associated applications 2

Site constraints 10

Grade II listed: 46-63 Chester Square Including No. 39 Eccleston Street
List entry 1357285 · The pin is inside its outline · 24 more listed buildings within 150 m (2 Grade II*, 22 Grade II)
Listed building consent is needed for work that affects the special interest of a listed building, inside or out, on top of planning permission. Setting can be a consideration for buildings nearby; there is no fixed radius.
Show the other 24 with distances
Historic England ↗
Belgravia conservation area
Demolition needs planning permission and permitted development is restricted.
The council must give weight to preserving or enhancing the area's character and appearance. Not every council has published its boundaries as open data.
Council document ↗
Article 4 direction
Article 4 Basement Development Permitted Rights Removed. Named permitted development rights are withdrawn here.
An Article 4 direction withdraws particular permitted development rights, so work that would normally need no application needs one here. Not every council has published its directions.
Archaeological priority area: City of Westminster APA 3.2
An assessment or field evaluation may be asked for before ground works.
The council or Historic England considers archaeology likely here. A desk-based assessment, and sometimes trial trenching, can be asked for with the application.
Air quality management area: Westminster AQMA
The council has declared the area as failing an air quality objective.
Schemes that add traffic, parking or combustion plant are assessed against the area's action plan and may need an air quality assessment.
Council record ↗
National infrastructure project 413 m away: Thames Tideway Tunnel
The site is 413 m from the project boundary. Waste water treatment, decided. The project page says whether consent was granted. Also within 2 km: London Strategic Heat Main Project (at pre-application, the site is inside its boundary).
Nationally significant infrastructure projects (power stations, electricity lines, pipelines, major roads and railways, harbours, airports and reservoirs) are consented by a Secretary of State under the Planning Act 2008, after an examination by the Planning Inspectorate, rather than by the council. The boundary is the one the Inspectorate consults on and can change as the scheme does. Projects are shown within 2 km of the site.
Planning Inspectorate project page ↗
Registered park or garden 23 m away: The Grosvenor Estate: Chester Square
Its setting is a consideration for work nearby.
Registered parks and gardens, battlefields, world heritage sites and protected wrecks are designated heritage assets: harm needs clear and convincing justification.
Historic England ↗
Also on the record
Inside the City of Westminster built-up area; Public transport access: PTAL 6b (excellent), TfL 2023, for the 100 m square; Tree preservation order 23 m away: W9_A1.
Not affected
Outside flood zones 2 and 3 · Not green belt · No scheduled monument at the site

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 1

Last sold for £24,000,000 in September 2025. Terraced house, freehold.

2 September 2025£24,000,000Recorded as a transfer outside a standard sale

Sale prices from HM Land Registry's price paid record, matched to this application by its address.

Building

Floor area867 m² (9,332 sq ft)
Energy ratingD (63 out of 100), could reach C
PropertyMid-terrace house, 16 habitable rooms
BuiltBefore 1900
HeatingBoiler and underfloor heating, mains gas
WallsSolid brick, as built, no insulation (assumed)

From the energy performance certificate lodged in October 2024, 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
Approval of Details (Full PP)
Postcode
SW1W 9EA
Received
9 Mar 2026
Validated
11 Mar 2026
Ward
Knightsbridge & Belgravia
Case officer
Show
Target decision
6 May 2026
Decision
Application Permitted
Decision date
20 Mar 2026
Decision level
Delegated Decision
Applicant
Show
Agent
Smith Jenkins Ltd

Consultation & key dates

Alt. reference
PP-14766616
Planning Portal ref
PP-14766616
Env. assessment
No

Historical activity at this location

41 previous applications on record - archival context, not part of the live application.

This property

Previous applications at this address

2025
Replacement roof to existing rear link extension to extend existing roof terrace with ass…
25/08370/LBC
2025
Replacement roof to existing rear link extension to extend existing roof terrace with ass…
25/08369/FULL
2024 Approved
Internal alterations at fifth floor level.
24/03731/LBC
2024
Alterations to level the glass roof over the existing ground floor conservatory and the e…
24/04022/LBC
2024
Alterations to level the glass roof over the existing ground floor conservatory and the e…
24/04021/FULL
2021 Approved
Alterations to level the glass roof over the existing ground floor conservatory and erect…
21/07984/LBC
2021 Approved
Variation of conditions 1 and 4 of planning permission dated 15 September 2021 (RN: 21/04…
21/07837/FULL
2021 Approved
Internal alterations at fifth floor level
21/04923/LBC
2021 Approved
Alterations to level the glass roof over the existing ground floor conservatory and erect…
21/04950/LBC
2021 Approved
Alterations to level the glass roof over the existing ground floor conservatory and erect…
21/04949/FULL
2016 Approved
Internal alterations at fifth floor level. (Option 1)
16/07141/LBC
2016 Approved
Internal alterations at fifth floor level. (Option 3)
16/07140/LBC
2016 Approved
Internal alterations at fifth floor level. (Option 2)
16/07139/LBC
2016 Approved
Internal alterations at fifth floor level. (Option 4)
16/07135/LBC
2016 Approved
Erection of a rear single storey glazed extension at first floor level.
16/03583/FULL
2016 Approved
Erection of a rear single storey glazed extension at first floor level. Minor internal al…
16/03584/LBC
Within ~100m

Nearby activity

2025 Approved
50 - 52 Elizabeth Street London SW1W 9PB
Replacement of three existing extending/retractable awnings, with three new traditional p…
25/05789/LBC
2025
47 Chester Square London SW1W 9EA
Internal alterations. (Linked with 25/08223/FULL)
25/08226/LBC
2025
47 Chester Square London SW1W 9EA
Variation of Condition 1 of planning permssion dated 10th September 2025 (RN:24/05375/FUL…
25/08223/FULL
2025 Approved
60 Chester Square London SW1W 9EA
Confirmation that the planning permission dated 02 January 2002 (RN: 01/09015/FULL) for t…
25/06015/CLOPUD
2025 Approved
50 - 52 Elizabeth Street London SW1W 9PB
Replacement of three existing extending/retractable folding arm shop awnings, with three…
25/05788/FULL
2025 Withdrawn
46 Chester Square London SW1W 9EA
Erection of rear first floor orangery extension. (Linked RN: 25/05499/LBC)
25/05498/FULL
2025 Withdrawn
46 Chester Square London SW1W 9EA
Erection of rear first floor orangery extension. (Linked RN: 25/05498/FULL)
25/05499/LBC
2025
Basement And Ground Floor Maisonette 101 Ebury Street London SW1W 9QU
Removal of existing rear extension and replacement extension at ground floor level; incor…
25/06748/LBC
2025
Basement And Ground Floor Maisonette 101 Ebury Street London SW1W 9QU
Removal of existing rear extension and replacement extension at ground floor level and in…
25/06747/FULL
2025
60 Chester Square London SW1W 9EA
Internal refurbishment including reconfigurations of rooms; external works including wind…
25/06260/LBC
2025
60 Chester Square London SW1W 9EA
Internal refurbishment including reconfigurations of rooms, external works including wind…
25/06259/FULL
2025 Approved
Open Space Centre Of Chester Square London SW1W 9HS
Removal of x1 dead crab apple
25/05779/TDD
2025 Approved
98 Ebury Mews London SW1W 9NX
Erection of ground floor rear extension with glazed roof; replacement of first floor balc…
25/03779/FULL
2025 Approved
Chester Square London
Katsura Tree (T100213): Fell. Cherry Plum (T187): Prune to clear parking sign by 0.5 m. W…
25/04340/TPO
2025 Withdrawn
Open Space Centre Of Chester Square London SW1W 9HS
1 x crab apple (T162): Fell
25/04886/TPO
2025
48 Elizabeth Street London SW1W 9PA
Use of first and second floors as a self-contained dwelling (Class C3), installation of P…
25/05695/FULL
2025
46 Chester Square London SW1W 9EA
Internal and external alterations including refurbishment; replacement of ornamental sche…
25/05497/LBC
2025
46 Chester Square London SW1W 9EA
External alterations including installation of new windows; erection of rebuilt extension…
25/05494/FULL
2025 Approved
60 Ebury Street London SW1W 9QD
2 x olive trees (T1 & T2, rear garden): Reduce crowns by approximately 1.5 m, back to the…
25/04345/TCA
2025
94 Ebury Street London SW1W 9QD
Part demolition of existing rear extension and construction of new rear extension at grou…
25/03077/LBC
2021 Approved
46 Chester Square London SW1W 9EA
Relocation of heating system to vaults, installation of CCTV cameras, lighting and trelli…
21/07067/LBC
2021 Approved
46 Chester Square London SW1W 9EA
Installation of cctv cameras, lighting and trellises to rear garden, external air conditi…
21/07066/FULL
2022
111 - 113 Ebury Street London SW1W 9QU
Alterations to 111 and 113 Ebury Street comprising demolition and replacement of gabled w…
22/02932/FULL
2022 Approved
115 Ebury Street London SW1W 9QU
1 x London plane (T100119): Reduce crown to previous most recent reduction points retaini…
22/01794/TCA
2021 Approved
68A Ebury Street London SW1W 9QD
Removal of existing glazed extension and construction of two storey timber glazed extensi…
21/06247/FULL
Westminster
Planning Authority Score
3.5/10
Below average
#221 of 296 councils
Relevant to this application:
Householder decisions

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.

One of the strictest councils
only 81% approved vs 90% nationally
These figures are council-wide context, not a prediction for this application. View full council performance
Westminster decision statistics
Based on MHCLG data, the year to March 2026
86%
Overall approval rate
Below avg (87%) #201 of 296
81%
Householder approved
Below avg (90%) #277 of 296
44%
Decided in 8 weeks
Below avg (63%) #258 of 296
28%
Extended time limit
Below avg (41%) #46 of 296
83%
Minor dwellings approved
12 decided (1-9 homes)
67%
Major dwellings approved
3 decided (10+ homes)
81%
Change of use approved
133 decided
4,602
Total decisions
648 refused in the year to March 2026
Source: MHCLG planning statistics · See full council rankings

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.