Basement And Ground Floor 6 - 7 Portman Square London W1H 6NA Data via plota.co.uk

25/07373/ADV - Advert Application (ADV) Approved
Signs & adverts

Proposal

Display of two internally illuminated projecting sign measuring 0.75m x 0.75m, 0.18m x 1.23m and two illuminated fascia signs measuring 0.08m x 0.54m. Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
13 Oct 2025
✓
Approved
3 Mar 2026

Approved on 3 Mar 2026 · Delegated Decision · Last checked 14 Oct 2026

Documents 11

Decision & officer reports 2

PDF GRANT OF ADVERT CONSENT [PE] Decision Notice · 3 Mar 2026 View ↗ PDF DELEGATED REPORT Report · 3 Mar 2026 View ↗

Plans & drawings 5

PDF LOCATIONPLAN Location Plan · 13 Oct 2025 View ↗ PDF SITE PLAN Drawing · 13 Oct 2025 View ↗ PDF SITE PLAN Drawing · 13 Oct 2025 View ↗ PDF EXISTING Drawing · 13 Oct 2025 View ↗ PDF PROPOSED Drawing · 13 Oct 2025 View ↗

Application forms 1

PDF APPLICATIONFORMREDACTED Application Form · 13 Oct 2025 View ↗

Other documents 3

PDF ACK-GENERAL LETTER (G/P/C) Background Papers · 28 Feb 2026 View ↗ PDF RECEIPT OF APPLICATION Other · 15 Oct 2025 View ↗ PDF SITELOCATION Background Papers · 13 Oct 2025 View ↗

All documents on the council site ↗

Site constraints 12

Grade II listed: Hamilton Memorial Drinking Fountain
List entry 1248617 · 28 m away · 16 more listed buildings within 150 m (1 Grade I, 15 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 16 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 ↗
2 Article 4 directions
Article 4 Basement Development Permitted Rights Removed · Article 4 Direction Class E To C3 In Central Activities Zone. Named permitted development rights are withdrawn here.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 ↗
Town centre: Baker Street (part)
A designated centre in the London Plan.
Shops, services and active frontages are protected in centres, and main town centre uses are steered here first.
Registered park or garden 28 m away: Portman Square and Manchester 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 ↗
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 1978 m away: Thames Tideway Tunnel; Inside the City of Westminster built-up area; Public transport access: PTAL 6b (excellent), TfL 2023, for the 100 m square; Tree preservation order 28 m away: W7_A1; Priority habitat 28 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
Advert Application (ADV)
Postcode
W1H 6NA
Received
13 Oct 2025
Validated
13 Oct 2025
Ward
Marylebone
Case officer
Show
Target decision
8 Dec 2025
Decision
Application Permitted
Decision date
3 Mar 2026
Decision level
Delegated Decision
Applicant
Show
Agent
CMI Architecture

How this decision compares

Decided in 141 days from validation, 99 days slower than Westminster's median of 42 for signs and adverts. Approved, as 83% of signs and adverts here are.

67%decided within 8 weeks
83%approved
1,207decided in the last year

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

Public comments

No public comments yet.

Last counted 14 Oct 2026

Read the comments on the council site ↗

Consultation & key dates

Alt. reference
PP-14381877
Planning Portal ref
PP-14381877
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
12 Manchester Square London W1U 3PP
Display for a temporary period of six months of a non-illuminated estate agent board loca…
25/08155/AD7
2025 Refused
12 Baker Street London W1U 3AA
Installation of a service hatch in the existing shopfront
25/06083/FULL
2025
4 Portman Square London W1H 6LD
Replacement entrance door with a new full-height glazed door; replacement of windows 1 an…
25/07152/FULL
2025 Approved
9 Seymour Mews London W1H 6BE
Replacement of existing single glazed timber windows with new double glazed windows.
25/05476/FULL
2025 Approved
Orchard Court Portman Square London W1H 6LE
Display of an internally illuminated (letters only) projecting sign measuring 0.80m x 0.7…
25/05613/ADV
2025 Approved
132 Wigmore Street London W1U 3SD
Installation of replacement shopfront.
25/01944/FULL
2025 Approved
4 Fitzhardinge Street London W1H 6EG
Display for a temporary period of six months of a non-illuminated estate agent board atta…
25/01885/AD7
2025
9 Robert Adam Street London W1U 3HN
Installation of an overflow pipe from existing roof, including new rainwater hopper and d…
25/00754/FULL
2025
9 Robert Adam Street London W1U 3HN
Installation of an overflow pipe from existing roof, including new rainwater hopper and d…
25/00755/LBC
2024
Orchard Court Portman Square London W1H 6LE
Alterations to shopfronts and entrances to Portman Square, Wigmore Street and Fitzharding…
24/08325/FULL
2024
Second Floor 3 Fitzhardinge Street London W1H 6EF
Installation of electrical floor boxes within existing timber floor boards to second floo…
24/07400/LBC
2024
Orchard Court Portman Square London W1H 6LE
Display of vinyls on glazing over a total area of 8m x 152m and graphics applied to hoard…
24/06202/ADV
2024
5 Fitzhardinge Street London W1H 6ED
Internal upgrades, repair and extension of a Georgian Townhouse; new internal finishes an…
24/05919/LBC
2024
5 Fitzhardinge Street London W1H 6ED
Building services to be removed, replaced and relocated, installation of air source heat…
24/05918/FULL
2024
Portman Square London
T8 Prunus cerasifera ???Atropurpurea??? (Cherry Plum (Myrobalan)) EW20 (End-weight reduct…
24/04477/TPO
2024
Portman Square London
T8 Prunus cerasifera ???Atropurpurea??? (Cherry Plum (Myrobalan)) EW20 (End-weight reduct…
24/04477/TCA
2024 Approved
Flat 23 Orchard Court Portman Square London W1H 6LE
Installation of two condenser units at roof level.
24/01232/FULL
2024
6 Seymour Mews London W1H 6BE
External alterations, extension at ground floor, excavation to provide new basement; and…
24/02777/FULL
2024 Approved
Ground Floor 3 Fitzhardinge Street London W1H 6EF
Minor internal alterations to include two new partitions and doors to partition off the e…
24/02386/LBC
2024 Approved
Flat 43 Orchard Court Portman Square London W1H 6LG
Installation of plant equipment comprising two condenser units in acoustic enclosures at…
24/00047/FULL
2016 Approved
10 Portman Square London W1U 3BP
Display of an internally illuminated (letters only) projecting sign measuring 0.4m x 0.5m.
16/02060/ADV
2016 Approved
14 Fitzhardinge Street London W1H 6DH
Erection of a single storey extension at rear ground floor level for use as additional re…
16/00041/FULL
2016 Approved
Unit 2 2 - 14 Baker Street London W1U 3BU
Display of 3 no. internally illuminated fascia signs (1 no. measuring 0.20m x 1.6m x 0.03…
16/00497/ADV
2016 Withdrawn
14 Fitzhardinge Street London W1H 6DH
Alterations including a new external glazed passenger lift at the rear to serve basement…
16/00042/FULL
2016 Approved
Portman Square London
3 x London planes (T15, T8, T10): Crown lift roadside overhang by 2-3 m.1 x London plane…
16/00602/TPO
Westminster
Planning Authority Score
3.5/10
Below average
#221 of 296 councils
Relevant to this application:
Other 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