Ellerton House 11 Bryanston Square London W1H 2DQ Data via plota.co.uk

25/07173/FULL - Full Planning Permission Application Approved

Proposal

Replacement of the existing timber pergola over the rear terrace with new. Linked with 25/07174/LBC (Retrospective) Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
6 Oct 2025
✓
Consultation
10 Oct 2025
✓
Approved
13 Nov 2025

Approved on 13 Nov 2025 · Delegated Decision · Last checked 13 Oct 2026

Documents 14

Decision & officer reports 2

PDF GRANT OF FULL PP [PE] Decision Notice · 13 Nov 2025 View ↗ PDF DELEGATED REPORT Report · 13 Nov 2025 View ↗

Statements & assessments 2

PDF PLANNING AND HERITAGE STATEMENT Design and Access Statement · 6 Oct 2025 View ↗ PDF FIRE STATEMENT Background Papers · 6 Oct 2025 View ↗

Plans & drawings 4

PDF SITE AND LOCATION PLAN Location Plan · 6 Oct 2025 View ↗ PDF PREVIOUS PLAN AND SECTIONS) Drawing · 6 Oct 2025 View ↗ PDF AS BUILT PLAN Drawing · 6 Oct 2025 View ↗ PDF AS BUILT SECTIONS Drawing · 6 Oct 2025 View ↗

Application forms 1

PDF APPLICATIONFORMREDACTED Application Form · 6 Oct 2025 View ↗

Consultation & comments 1

PDF NEIGHBOUR NOTIFICATION LETTER (21D) Background Papers · 10 Oct 2025 View ↗

Other documents 4

PDF ACK-GENERAL LETTER (G/P/C) Background Papers · 10 Oct 2025 View ↗ PDF CNSLT-LA SOCIETY Background Papers · 10 Oct 2025 View ↗ PDF SITE NOTICE 21 OR 28 DAYS IF T&C APPL. Background Papers · 10 Oct 2025 View ↗ PDF RECEIPT OF APPLICATION Other · 9 Oct 2025 View ↗

All documents on the council site ↗

Associated applications 2

Site constraints 10

Grade II listed: 1A, BRYANSTON SQUARE W1 (See details for further address information)
List entry 1066352 · The pin is inside its outline · 41 more listed buildings within 150 m (41 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 41 with distances
Historic England ↗
Portman Estate 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.
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 ↗
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
National infrastructure project 253 m away: London Strategic Heat Main Project, at pre-application; Inside the City of Westminster built-up area; Public transport access: PTAL 6b (excellent), TfL 2023, for the 100 m square; Tree preservation order 26 m away: STM3_A1; Priority habitat 26 m away: Deciduous woodland.
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.

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Important details

Council
Westminster
Application type
Full Planning Permission Application
Postcode
W1H 2DQ
Received
6 Oct 2025
Validated
6 Oct 2025
Ward
Marylebone
Case officer
Show
Target decision
1 Dec 2025
Decision
Application Permitted
Decision date
13 Nov 2025
Decision level
Delegated Decision
Applicant
Show
Agent
HDA Architecture

How this decision compares

Decided in 38 days from validation, 38 days faster than Westminster's median of 76 for full applications. Approved, as 86% of full applications here are.

35%decided within 8 weeks
86%approved
2,198decided in the last year

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

Public comments

No public comments yet.

45 neighbours consulted · Last counted 13 Oct 2026

Read the comments on the council site ↗

Consultation & key dates

Alt. reference
PP-14383428
Planning Portal ref
PP-14383428
Comments by
31 Oct 2025
Site or press notice
10 Oct 2025
Env. assessment
No

Historical activity at this location

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

This property

Previous applications at this address

2025
Replacement of the existing timber pergola over the rear terrace with new. Linked with 25…
25/07174/LBC
2024
Replacement of windows and doors on the rear elevations of the first floor level to Flat…
24/05999/LBC
2024
Replacement of windows and doors to front and rear elevations to Flat 6.
24/05149/FULL
Within ~100m

Nearby activity

2025 Approved
26 Montagu Mews South London W1H 7ES
Replacement of garage doors with timber windows.
25/05187/FULL
2025
Flat 2 5 Bryanston Square London W1H 2DH
Internal alterations including repair, refurbishment and repainting of the windows and fr…
25/07257/FULL
2025
Flat 2 5 Bryanston Square London W1H 2DH
Internal alterations including replacement of windows and French Windows; refurbishment o…
25/07211/LBC
2025 Approved
Flat 4 58 Montagu Square London W1H 2LS
Internal alterations to flat at fourth floor level including installation of a spiral sta…
25/04771/LBC
2025 Refused
Flat 2 5 Bryanston Square London W1H 2DH
Installation of replacement windows, refurbishment of front and rear balconies and railin…
25/03423/LBC
2025 Refused
Flat 2 5 Bryanston Square London W1H 2DH
Installation of replacement windows, refurbishment of front and rear balconies and railin…
25/05029/FULL
2025 Approved
8 Montagu Mews South London W1H 7ER
Gas meter relocation to the front facade
25/04796/FULL
2025
Flat 1 49 Montagu Square London W1H 2LW
Replacement of existing single glazed sash timber windows and frames with new double glaz…
25/05706/LBC
2025
Flat 1 49 Montagu Square London W1H 2LW
Replacement of existing single glazed sash timber windows and frames with new double glaz…
25/05705/FULL
2025 Withdrawn
26 Montagu Mews South London W1H 7ES
Alteration of existing coach house/garage to kitchen and living room with new painted tim…
25/04074/CLOPUD
2025
Flat 2 13 Montagu Street London W1H 7EX
Installation of airbrick to front elevation, new secondary glazing, reconfiguration, acou…
25/04426/LBC
2025
Flat 2 13 Montagu Street London W1H 7EX
Installation of airbrick to front elevation, new secondary glazing, reconfiguration, acou…
25/04425/FULL
2025 Approved
68 Great Cumberland Place London W1H 7TX
1 x Japanese maple (T2): Reduce all round by approx. 1m, leaving furnishing growth . Thin…
25/03179/TCA
2025
Flat 4 1 Bryanston Square London W1H 2DH
Internal alterations including new partitions, joinery and cornices, kitchen and bathroom…
25/01336/LBC
2025
Flat 7 1 Bryanston Square London W1H 2DH
Replacement of two rooflights and two crittal windows with timber box sash windows and re…
25/01181/LBC
2024
3 Brunswick Mews London W1H 7FB
Erection of new mansard roof extension.
24/08923/FULL
2024
Flat 1 58 Montagu Square London W1H 2LS
Creation of a WC, aligning the doors of the flat and minor internal layout amendments.
24/08812/LBC
2024
Flat 1 1 Montagu Square London W1H 2LA
Tanking works to the existing pavement vault and scullery
24/08556/LBC
2024 Approved
Flat 2 49 Montagu Square London W1H 2LW
Removal of pre-existing window, enlarge opening and insert double-glazed timber door and…
24/01938/FULL
2024 Approved
Flat 2 16 Montagu Street London W1H 7EX
Replacement of all windows to double glazed units.
24/01344/FULL
2017 Refused
49 Montagu Square London W1H 2LW
Installation of an external lantern and the replacement of the clay tiles to the external…
17/02796/LBC
2017 Refused
49 Montagu Square London W1H 2LW
Installation of an external lantern and the replacement of the clay tile to the external…
17/02795/FULL
2017 Approved
7 Bryanston Square London W1H 2DH
Internal alterations at ground floor level.
17/02337/LBC
2017 Refused
7 Montagu Mews West London W1H 2EE
Demolition of existing mews house retaining the rear wall and party walls, excavation of…
17/01047/FULL
2017 Approved
6 Bryanston Square London W1H 2DH
Internal refurbishment and external works including the installation of new timber sash w…
17/00778/LBC
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

Freehold boundary: © Crown copyright and database rights 2026, HM Land Registry. Polygons © Crown copyright and database rights 2026 Ordnance Survey 100026316. Conditions of use