Flat B 58 Gloucester Street London SW1V 4EG Data via plota.co.uk

26/05812/FULL - Full Planning Permission Application Approved
Extensions & alterations

Proposal

Replacement of existing windows and doors to Flat B, first floor level, on the front and rear elevations with double-glazed timber windows and doors. Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
25 Aug 2026
✓
Approved
15 Oct 2026

Approved on 15 Oct 2026 · Delegated Decision · Last checked 16 Oct 2026

Documents 17

Decision & officer reports 2

PDF GRANT OF FULL PP [PE] Decision Notice · 15 Oct 2026 View ↗ PDF DELEGATED REPORT Report · 15 Oct 2026 View ↗

Statements & assessments 3

PDF FIRE SAFETY STATEMENT Background Papers · 25 Aug 2026 View ↗ PDF HERITAGE STATEMENT Design and Access Statement · 25 Aug 2026 View ↗ PDF SUSTAINABLE DESIGN STATEMENT Background Papers · 25 Aug 2026 View ↗

Plans & drawings 4

PDF EXISTING AND PROPOSED ELEVATIONS Drawing · 25 Aug 2026 View ↗ PDF BLOCK PLAN Location Plan · 25 Aug 2026 View ↗ PDF SITE LOCATION PLAN Location Plan · 25 Aug 2026 View ↗ PDF EXISTING AND PROPOSED WINDOW AND DOOR SCHEDULE Drawing · 25 Aug 2026 View ↗

Application forms 1

PDF APPLICATIONFORMREDACTED Application Form · 25 Aug 2026 View ↗

Consultation & comments 1

PDF NEIGHBOUR NOTIFICATION LETTER (21D) Background Papers · 14 Sept 2026 View ↗

Other documents 6

PDF ACK-GENERAL LETTER (G/P/C) Background Papers · 14 Sept 2026 View ↗ PDF CNSLT-LA SOCIETY Background Papers · 14 Sept 2026 View ↗ PDF CNSLT-LA SOCIETY Background Papers · 14 Sept 2026 View ↗ PDF CNSLT-LA SOCIETY Background Papers · 14 Sept 2026 View ↗ PDF SITE NOTICE 21 OR 28 DAYS IF T&C APPL. Background Papers · 14 Sept 2026 View ↗ PDF RECEIPT OF APPLICATION Other · 1 Sept 2026 View ↗

All documents on the council site ↗

Site constraints 11

Flood zone 3, rivers and sea
High chance: a 1 in 100 or greater annual chance from rivers, or 1 in 200 from the sea. Any development here needs a flood risk assessment. Defences are not counted.
The Environment Agency flood map for planning. Homes in zone 3 must also pass the sequential test. Surface water flooding is a separate map.
Flood map ↗
Pimlico 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 143 m away: Thames Tideway Tunnel
The site is 143 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, 230 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 ↗
10 listed buildings within 150 m
Nearest: 108-138, Cambridge Street Sw1, Grade II, 26 m away · 1 Grade II*, 9 Grade II
The site itself is not listed. 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 all 10 with distances
Historic England ↗
Central activities zone
The core of central London in the London Plan.
Offices, culture and the other strategic functions of the centre take priority over new housing here.
Also on the record
Registered park or garden 126 m away: Warwick Square; Inside the City of Westminster built-up area; Public transport access: PTAL 3 (moderate), TfL 2023, for the 100 m square.
Not affected
Not green belt · No scheduled monument at the site

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.

Building

Floor area49 m² (527 sq ft)
Energy ratingD (68 out of 100), could reach C
PropertyMid-terrace flat, 2 habitable rooms
BuiltBefore 1900
HeatingBoiler and radiators, mains gas
WallsSolid brick, as built, no insulation (assumed)

From the energy performance certificate lodged in December 2023, the latest held for this property. The building may have changed since. View the certificate

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Replacement of existing single glazed timber framed sash and casement windows to...

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Important details

Council
Westminster
Application type
Full Planning Permission Application
Postcode
SW1V 4EG
Received
25 Aug 2026
Validated
25 Aug 2026
Ward
Pimlico North
Case officer
Show
Target decision
20 Oct 2026
Decision
Application Permitted
Decision date
15 Oct 2026
Decision level
Delegated Decision
Applicant
Show
Agent
Westminster City Council

How this decision compares

Decided in 51 days from validation, 4 days faster than Westminster's median of 55 for extensions. Approved, as 88% of extensions here are.

56%decided within 8 weeks
88%approved
1,688decided 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.

10 neighbours consulted · Last counted 16 Oct 2026

Read the comments on the council site ↗

Consultation & key dates

Alt. reference
PP-15164998
Planning Portal ref
PP-15164998
Comments by
14 Oct 2026
Site or press notice
23 Sept 2026
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
Clevedon House 79 - 81 St George's Drive London SW1V 4DB
Erection of extension and installation of bifolding doors to rear lower ground floor leve…
25/08015/FULL
2025
Russell House Cambridge Street London SW1V 4EQ
Installation of replacement existing windows to all elevations with timber double glazed…
25/07670/FULL
2025 Approved
Flat 5 66 Gloucester Street London SW1V 4EF
Replacement of six single-glazed windows with double-glazed windows at second floor level…
25/05486/FULL
2025
69 - 71 St George's Drive London SW1V 4DB
Replacement of boiler and flue.
25/06735/FULL
2025 Approved
87 Charlwood Street London SW1V 4PB
Installation of two air conditioning units at rear garden level.
25/03059/FULL
2025
142 Cambridge Street London SW1V 4QF
Installation of two external air conditioning units in the roof top terrace.
25/05656/FULL
2025 Approved
54 Gloucester Street London SW1V 4EG
Removal of existing fibre optic equipment and cabling and installation of new cables to f…
25/01064/CLOPUD
2024 Approved
Flat 16 87 St George's Drive London SW1V 4DB
Rebuilding and combination of two vaults within front lightwell including lowering of the…
24/06842/FULL
2024
Flat 4 147 Cambridge Street London SW1V 4QA
Mansard style roof extension to flat 4 of 147 Cambridge Street.
24/04120/FULL
2024 Approved
Flat 1 97 St George's Drive London SW1V 4DB
Installation of air conditioning unit in the basement backyard.
24/02128/FULL
2023 Approved
15 Winchester Street London SW1V 4PA
Replacement of the existing stone staircase with a metal framed staircase and railing wit…
23/06083/FULL
2022 Refused
Flat 16 87 St George's Drive London SW1V 4DB
Re-building and amalgamation of two vaults within the front lightwell; infill of lightwel…
22/08389/FULL
2023 Approved
65 Gloucester Street London SW1V 4DZ
Installation of a black metal handrail to front entrance steps.
23/01177/FULL
2022 Approved
Flat 10 121 - 123 Alderney Street London SW1V 4HE
Installation of one air source heat pump located on roof.
22/08379/FULL
2022 Approved
25 Winchester Street London SW1V 4NZ
Retention of external gas pipe apparatus.
22/07304/FULL
2022 Approved
Basement Flat 85 Charlwood Street London SW1V 4PB
Extension of the lower ground floor flat into the existing basement vaults. Alterations t…
22/02223/FULL
2022
142 Cambridge Street London SW1V 4QF
Replacement of windows to front ground floor with aluminium windows; tiling the front bri…
22/04839/FULL
2022 Refused
142 Cambridge Street London SW1V 4QF
Installation of a new cast iron staircase to access to lower ground floor and associated…
22/02803/FULL
2021 Approved
48 Gloucester Street London SW1V 4EH
Erection of a single storey rear extension at lower ground floor, new tiling to front doo…
21/08135/FULL
2021 Approved
Flat 1 97 St George's Drive London SW1V 4DB
Erection of a lower ground floor rear glazed extension, vaults integration and front lobb…
21/03923/FULL
2016 Refused
93-95 Charlwood Street London SW1V 4PB
Use of part of the ground and lower ground floors of No. 93 as a three bedroom flat (Clas…
16/06554/FULL
2016 Approved
121 Cambridge Street London SW1V 4PZ
1 x Salix Matsudana Tortuosa - Prune 2 x lowest lateral limbs growing over footpath back…
16/10226/TCA
2016 Approved
8A Winchester Street London SW1V 4ND
Erection of a rear extension to lower-ground floor flat.
16/05440/FULL
2016 Approved
8A Winchester Street London SW1V 4ND
Enlargement and replacement of window on front elevation at lower ground floor level.
16/02858/FULL
2016 Withdrawn
8A Winchester Street London SW1V 4ND
Creation of a rear extension at lower ground floor level.
16/02589/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

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.