59A Elizabeth Street London SW1W 9PP Data via plota.co.uk

26/06647/FULL - Full Planning Permission Application Pending
Extensions & alterationsListed buildings

Proposal

Replacement of glazing to the existing sash windows at first and second floor level of the front elevation with slimline double glazing, with existing box frames and sashes retained. (Linked with 26/06648/LBC) Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
29 Sept 2026
✓
Validated
5 Oct 2026
Decision
Expected by 30 Nov 2026

Under consideration

No decision has been issued yet. Plota predicts a decision between 25 Nov 2026 and 4 Dec 2026, from Westminster's recent extensions.

Documents 14

Statements & assessments 2

PDF SUSTAINABLE DESIGN STATEMENT Sustainability appraisal · 5 Oct 2026 View ↗ PDF HERITAGE STATEMENT Heritage Statement · 29 Sept 2026 View ↗

Plans & drawings 9

PDF 2728_050_SITE AND LOCATION PLAN Location Plan · 29 Sept 2026 View ↗ PDF 2728_501 - FF SASH WINDOW DETAILS AS EXISTING AND PROPOSED Drawing · 29 Sept 2026 View ↗ PDF 2728_500 - FF SASH WINDOW ELEVATION, SECTION AND PLAN AS EXISTING AND PROPOSED Drawing · 29 Sept 2026 View ↗ PDF 2728_503 - SF SASH WINDOW DETAILS AS EXISTING AND PROPOSED Drawing · 29 Sept 2026 View ↗ PDF 2728_502 - SF SASH WINDOW ELEVATION, SECTION AND PLAN AS EXISTING AND PROPOSED Drawing · 29 Sept 2026 View ↗ PDF 2728_100_PLANS AS EXISTING Drawing · 29 Sept 2026 View ↗ PDF 2728_101_FRONT ELEVATION AS EXISTING Drawing · 29 Sept 2026 View ↗ PDF 2728_300 - PLANS AS PROPOSED Drawing · 29 Sept 2026 View ↗ PDF 2728_301 - FRONT ELEVATION AS PROPOSED Drawing · 29 Sept 2026 View ↗

Application forms 1

PDF APPLICATIONFORMREDACTED Application Form · 29 Sept 2026 View ↗

Other documents 2

PDF RECEIPT OF APPLICATION Other · 2 Oct 2026 View ↗ PDF 1ST INVALID LETTER Background Papers · 2 Oct 2026 View ↗

All documents on the council site ↗

Site constraints 9

Grade II listed: 55-63, Elizabeth Street Sw1
List entry 1211552 · The pin is inside its outline · 32 more listed buildings within 150 m (2 Grade II*, 30 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 32 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 296 m away: Thames Tideway Tunnel
The site is 296 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, 61 m).
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 91 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.
Not affected
Outside flood zones 2 and 3 · Not green belt · No scheduled monument at the site

Checked on 7 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 3

Last sold for £1,635,000 in January 2018. Flat or maisonette, leasehold.

31 January 2018£1,635,000
20 September 2013£1,495,000
21 February 2001£403,000New build

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

Building

Floor area76 m² (818 sq ft)
Energy ratingD (64 out of 100)
PropertyFlat, 3 habitable rooms
BuiltBefore 1900
HeatingBoiler and radiators, mains gas
WallsSolid brick, as built, no insulation (assumed)

From the energy performance certificate lodged in January 2012, 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
Full Planning Permission Application
Postcode
SW1W 9PP
Received
29 Sept 2026
Validated
5 Oct 2026
Ward
Knightsbridge & Belgravia
Case officer
Show
Target decision
30 Nov 2026
Applicant
Show
Agent
Studio Hale

Decision outlook

Day 4 of the 56-day target. Westminster usually decides extensions by day 55.

Day 452 days to the 56-day target
56%decided within 8 weeks
88%approved
1,674decided in the last year

Plota live figures for extensions decided by Westminster in the last twelve months, from validation. Westminster decision record →

Public comments

No public comments yet.

Last counted 7 Oct 2026

Read the comments on the council site ↗

Consultation & key dates

Alt. reference
PP-15257227
Planning Portal ref
PP-15257227
Env. assessment
No

Historical activity at this location

25 nearby applications on record - archival context, not part of the live application.

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
135 - 137 Ebury Street London SW1W 9QU
Resubmitted under 25/07644/FULL
25/07537/FULL
2025
First Floor Flat 75 - 77 Elizabeth Street London SW1W 9PJ
Installation of replacement sashes within the existing box frames including new slimline…
25/07678/LBC
2025
First Floor Flat 75 - 77 Elizabeth Street London SW1W 9PJ
Installation of replacement sashes within the existing box frames including new slimline…
25/07677/FULL
2025
135 - 137 Ebury Street London SW1W 9QU
Installation of four external air conditioning units within ground-floor rear courtyard…
25/07645/LBC
2025
135 - 137 Ebury Street London SW1W 9QU
Installation of four external air conditioning units within ground-floor rear courtyard a…
25/07644/FULL
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 Approved
1B Chester Row London SW1W 9JF
Extension at rear roof level, relocation of existing plant enclosure, simplification of r…
25/05281/FULL
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
81A Elizabeth Street London SW1W 9PG
Installation of an air conditioning unit at roof level and internal units in the second a…
25/04263/LBC
2025 Approved
81A Elizabeth Street London SW1W 9PG
Installation of an air conditioning unit at roof level.
25/04262/FULL
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
27 South Eaton Place London SW1W 9EL
External alterations, erection of a rear extension to lower ground floor level, creation…
25/05385/LBC
2025
27 South Eaton Place London SW1W 9EL
External alterations, erection of a rear extension to lower ground floor level, creation…
25/05384/FULL
2022
143 Ebury Street London SW1W 9QN
Demolition behind retained façade of the first, second and third floor levels and demolit…
22/02731/FULL
2021 Approved
139 Ebury Street London SW1W 9QU
Internal alterations, including removal of the secondary staircase from lower ground to g…
21/04075/LBC
2022 Approved
Elizabeth Street London
Display of flags suspended across the street on existing catenary wires on 15 crossings a…
22/01370/ADV
2022 Approved
145 Ebury Street London
2 x Magnolias (T1 & T2, rear): Reduce crowns to previous reduction points
22/01795/TCA
2021 Approved
161 Ebury Street London SW1W 9QN
Erection of new flat roof over front lightwell beneath old metal grillage to enclose area…
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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.