1 Marylebone Road London NW1 4AQ Data via plota.co.uk

26/04428/FULL - Full Planning Permission Application Approved
Extensions & alterationsListed buildings

Proposal

Installation of staircase to the external lower ground entrance on the eastern side of the building and removal of adjacent metal railings and reinstatement of stone plinth (retrospective application). (Linked to 26/04429/LBC) Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
3 Jul 2026
✓
Approved
18 Aug 2026

Approved on 18 Aug 2026 · Delegated Decision · Last checked 19 Aug 2026

Documents 22

Decision & officer reports 2

PDF GRANT OF FULL PP [PE] Decision Notice · 18 Aug 2026 View ↗ PDF DELEGATED REPORT Report · 18 Aug 2026 View ↗

Statements & assessments 1

PDF HERITAGE, DESIGN AND ACCESS STATEMENT Heritage Statement · 3 Jul 2026 View ↗

Plans & drawings 6

PDF PROPOSED NEW STAIR Drawing · 11 Aug 2026 View ↗ PDF PROPOSED NEW STAIR SECTIONS/ELEVATIONS Drawing · 11 Aug 2026 View ↗ PDF SITE PLAN Drawing · 11 Aug 2026 View ↗ PDF LOCATION PLAN Location Plan · 3 Jul 2026 View ↗ PDF PROPOSED SITE PLAN Superseded document · 3 Jul 2026 View ↗ PDF PROPOSED NEW STAIR SECTIONS/ELEVATIONS Superseded document · 3 Jul 2026 View ↗

Application forms 1

PDF APPLICATIONFORMREDACTED Application Form · 3 Jul 2026 View ↗

Consultation & comments 3

PDF NEIGHBOUR NOTIFICATION LETTER (21D) Background Papers · 17 Jul 2026 View ↗ PDF CNSLT-CONSULTEE CLOUD STD Background Papers · 16 Jul 2026 View ↗ PDF ECNSLT-STD EXT CONSULTEES Background Papers · 16 Jul 2026 View ↗

Other documents 9

PDF SITE NOTICE 21 OR 28 DAYS IF T&C APPL. Background Papers · 16 Jul 2026 View ↗ PDF ECNSLT-INTERNAL CONSULTS Background Papers · 16 Jul 2026 View ↗ PDF CNSLT-LA SOCIETY Background Papers · 16 Jul 2026 View ↗ PDF CNSLT-LA SOCIETY Background Papers · 16 Jul 2026 View ↗ PDF ECNSLT-INTERNAL CONSULTS Background Papers · 16 Jul 2026 View ↗ PDF ACK-GENERAL LETTER (G/P/C) Background Papers · 16 Jul 2026 View ↗ PDF RECEIPT OF APPLICATION Other · 7 Jul 2026 View ↗ PDF PROPOSED NEW STAIR Superseded document · 3 Jul 2026 View ↗ PDF COVER LETTER Background Papers · 3 Jul 2026 View ↗

All documents on the council site ↗

Associated applications 3

Site constraints 10

Grade I listed: Holy Trinity Church
List entry 1267658 · The pin is inside its outline · 23 more listed buildings within 150 m (7 Grade I, 1 Grade II*, 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 23 with distances
Historic England ↗
Regent's Park 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.
Protected tree 11 m away: W215_T1, order W215
2 protected trees within 15 m. Named in a tree preservation order: work to it, its roots included, needs the council's consent first.
Root protection areas reach up to 15 m from a large tree, so an extension or new foundations this close usually needs a tree survey. Only some councils publish their single trees, and a position can be approximate: the order at the council is the definitive record, and no tree shown is not proof there is none.
Show all 2 trees with distances
Tree record ↗
Also on the record
Registered park or garden 115 m away: Regent's Park; National infrastructure project 698 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.
Not affected
Outside flood zones 2 and 3 · 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 area29 m² (312 sq ft)
Energy ratingB (asset rating 42)
UseRetail/Financial and Professional Services
HeatingHeating and Natural Ventilation

From the energy performance certificate lodged in May 2023, 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
NW1 4AQ
Received
3 Jul 2026
Validated
3 Jul 2026
Ward
West End
Case officer
Show
Target decision
28 Aug 2026
Decision
Application Permitted
Decision date
18 Aug 2026
Decision level
Delegated Decision
Applicant
Show
Agent
Beacon Planning Services Limited

How this decision compares

Decided in 46 days from validation, 9 days faster than Westminster's median of 55 for extensions. Approved, as 88% of extensions here are.

56%decided within 8 weeks
88%approved
1,675decided 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.

118 neighbours consulted · Last counted 19 Aug 2026

Read the comments on the council site ↗

Consultation & key dates

Alt. reference
PP-15056740
Planning Portal ref
PP-15056740
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
Holy Trinity Church 1 Marylebone Road London NW1 4DU
G1 3 x London plane: prune back from building to give 2.5m clearance, pruning back to sui…
25/06328/TPO
2024
First Floor 305 Great Portland Street London W1W 5DD
Internal alterations including the removal and addition of partitions at first floor leve…
24/06629/LBC
2024 Approved
1 Albany Terrace Park Square East London Camden NW1 4DS
New drainage run to second floor to connect with existing service vent pipe to rear light…
2024/2143/L
2024
385 - 387 Euston Road London NW1 3AU
Alterations to the main ground floor entrance; refurbishment of existing windows, install…
24/04909/FULL
2024 Approved
1 Albany Terrace Park Square East London Camden NW1 4DS
Replacement of the ground floor reception room fireplace, and reconfiguration of the thir…
2024/0636/L
2024
385-387 Euston Road London NW1 3AU
Use of the building for any purpose within Class E 'Commercial, Business and Service.
24/01556/CLOPUD
2023 Approved
1 Albany Terrace Park Square East London NW1 4DS
Internal alterations to all floors, refurbishment of windows and front door and drainage…
2023/2133/L
2023 Approved
1 Albany Terrace Park Square East London Camden NW1 4DS
Refurbishment of windows and front door and drainage works in front lightwell.
2023/1369/P
2023 Approved
Third Floor 88 - 92 Baker Street London W1U 8TQ
Variation of condition 4 of planning permission dated 17th May 2022 (21/05257/TCH) for us…
23/01836/FULL
2023 Approved
First Floor 305 Great Portland Street London W1W 5DD
Display of a replacement, non-illuminated, advertising panel above the ground floor entra…
23/00208/ADV
2023 Approved
First Floor 305 Great Portland Street London W1W 5DD
Installation of a replacement, non-illuminated, advertising panel above the ground floor…
23/00179/LBC
2022 Approved
The Green Man Public House 383 Euston Road London NW1 3AU
Display of externally illuminated fascia sign measuring 0.9m x 12.6m and one non-illumina…
22/08311/ADV
2021 Withdrawn
59-61 Bolsover Street And 224-228 Great Portland Street London W1W 5QP
Installation of water/ sprinkler tank and box enclosure housing pipe work on rear elevati…
21/07316/FULL
2021 Withdrawn
59-61 Bolsover Street And 224-228 Great Portland Street London W1W 5QP
Installation of screening enclosure around plant room to rear of flat. (Retrospective)
21/07317/FULL
2022
Street Hub Outside Great Portland Street Station Great Portland St London W1W 5DD
Display of 2no. digital 75" LCD display screens, one on each side of the Street Hub unit.
22/04779/ADV
2022 Approved
2 Marylebone Road London NW1 4DF
FRONT GARDEN: 1 x London Plane (T1) - Crown reduce to previous pruning points, (3m).
2022/1462/T
2021 Approved
246-248 Great Portland Street London W1W 5QY
Use of the public highway on the Bolsover Street elevation for the placing of 4 tables an…
21/05257/TCH
2022
Shop 1 Great Portland Street Station Great Portland Street London W1W 5PW
Display non-illuminated sign on hoarding measuring 0.6m x 1m, two non-illuminated fascia…
22/03081/ADV
2022
Shop 1 Great Portland Street Station Great Portland Street London W1W 5PW
Installation of air condtitioning units on the rear elevation at low level; advertisement…
22/02270/LBC
2021 Approved
2 Marylebone Road London NW1 4DF
Display of 4x non-illuminated brass nameplates
2021/5037/A
2016 Approved
2 Marylebone Road London NW1 4DF
Installation of a video production room at basement level and other minor internal altera…
2016/3388/L
2016 Approved
2 Marylebone Road London Borough Of Camden London NW1 4DF
Removal of existing roof top structures and reinstatement of original roof form, includin…
16/01726/OBS
2016 Approved
2 Marylebone Road London NW1 4DF
Removal of existing roof top structures and reinstatement of original roof form, includin…
2016/0639/L
2016 Approved
2 Marylebone Road London NW1 4DF
Removal of existing roof top structures and reinstatement of original roof form, includin…
2016/0534/P
2016 Approved
2 Marylebone Road London NW1 4DF
Re-building of the four pilasters to Albany Street entrance and replacement of existing (…
2016/0301/L
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.