51 Harrowby Street London W1H 5EF Data via plota.co.uk

26/05686/LBC - Listed Building Consent Application Pending
Extensions & alterationsListed buildings

Proposal

Replacement of two first floor Balconette style Balconies on the front facade of the building matching the ornate design of the balconies on the adjoining property. Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
19 Aug 2026
Decision
Expected by 14 Oct 2026

Under consideration

No decision has been issued yet. Plota predicts a decision soon after comments close on 4 Nov 2026, from Westminster's recent extensions.

Comments are open until 4 Nov 2026

Comment on this application ↗

Documents 11

Statements & assessments 2

PDF DESIGN AND ACCESS STATEMENT AUG 2026 Design and Access Statement · 19 Aug 2026 View ↗ PDF HERITAGE STATEMENT AUG 2026 Heritage Statement · 19 Aug 2026 View ↗

Plans & drawings 2

PDF LOCATION PLAN Drawing · 19 Aug 2026 View ↗ PDF FRONT_ELEVATION PLAN TO MATCH NO 52 Drawing · 19 Aug 2026 View ↗

Application forms 2

PDF APPLICATIONFORMREDACTED Application Form · 19 Aug 2026 View ↗ PDF FEECALCULATION Background Papers · 19 Aug 2026 View ↗

Other documents 5

PDF RECEIPT OF APPLICATION Other · 26 Aug 2026 View ↗ PDF ATTACHMENTSUMMARY Background Papers · 19 Aug 2026 View ↗ IMG PHOTOS OF NO 52 BALCONIES Photo · 19 Aug 2026 View ↗ IMG EXTERIOR 2025 Photo · 19 Aug 2026 View ↗ PDF COVER LETTER RE LISTED BUILDING APPLIACTION AUG 2026 Background Papers · 19 Aug 2026 View ↗

All documents on the council site ↗

Site constraints 10

Grade II listed: 46-53, Harrowby Street W1
List entry 1278695 · The pin is inside its outline · 11 more listed buildings within 150 m (11 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 11 with distances
Historic England ↗
Molyneux Street 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 Named permitted development rights are withdrawn here.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
Registered park or garden 135 m away: The Water Gardens Designed Landscape; National infrastructure project 292 m away: London Strategic Heat Main Project, at pre-application; Inside the City of Westminster built-up area; Public transport access: PTAL 6a (excellent), TfL 2023, for the 100 m square; Town centre 41 m away: Edgware Road South.
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.

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Important details

Council
Westminster
Application type
Listed Building Consent Application
Postcode
W1H 5EF
Received
19 Aug 2026
Validated
19 Aug 2026
Ward
Marylebone
Case officer
Show
Target decision
14 Oct 2026
Applicant
Show

Decision outlook

Day 51 of the 56-day target. Westminster usually decides extensions by day 55.

Day 5127 days to the predicted decision (day 78)
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-15169695
Planning Portal ref
PP-15169695
Comments by
4 Nov 2026
Site or press notice
14 Oct 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 Approved
Flat 4 43 Harrowby Street London W1H 5HX
Installation of replacement existing third floor 'Velux' windows with casement doors incl…
25/04927/FULL
2025 Approved
Flat 4 43 Harrowby Street London W1H 5HX
Installation of replacement existing third floor 'Velux' windows with casement doors incl…
25/04928/LBC
2025
22 Shouldham Street London W1H 5FL
Large leaf Crab Apple - Crown reduce the height and spread back to the previous reduction…
25/07996/TCA
2025 Approved
101 - 103 Edgware Road London W2 2HX
Display of an illuminated Ramadan sculpture measuring 2.9m x 3.8m for a temporary period…
25/06100/ADV
2025 Approved
146 Edgware Road London W2 2DZ
Display of three internally illuminated fascia signs measuring 12.70m x 1.17m, 3.07m x 1…
25/05543/ADV
2025 Approved
146 Edgware Road London W2 2DZ
Display of non illuminated laminated vinyl to windows measuring 4.03m X 0.49m, 4.03m X 2…
25/04957/ADV
2025
136 Edgware Road London W2 2DZ
Display of an internally illuminated fascia sign measuring 7.1m X 1.4m, internally illumi…
25/06076/COADV
2025
136 Edgware Road London W2 2DZ
Shopfront refurbishment including reinstated stone cornice and installation of replacemen…
25/06075/COFUL
2025 Approved
18 Molyneux Street London W1H 5HN
General maintenance and improvement work Strip-Out and Enabling Works Removal of Redundan…
25/03923/LBC
2025 Approved
150 - 162 Edgware Road London W2 2DT
Variation of condition 1 of planning permission dated 7th October 2024 (RN 24/05757/FULL)…
25/03772/FULL
2025
Barham House 39 - 40 Molyneux Street London W1H 5JA
Alterations to the front entrance steps and raised section including the installation of…
25/04118/FULL
2025
18 Molyneux Street London W1H 5HN
General maintenance and improvement work Strip-Out and Enabling Works Removal of Redundan…
25/03922/FULL
2025
150 - 162 Edgware Road London W2 2DT
Display of externally illuminated fascia sign measuring 5.175m X 0.685m, internally illum…
25/01613/ADV
2025
Flat 1 18 Molyneux Street London W1H 5HN
Minor internal reconfigurations of the layout, including the removal of modern partitions…
25/01165/LBC
2024
21 Shouldham Street London W1H 5FL
Erection of a single storey rear extension with metal stairs and railings with external a…
24/06910/LBC
2024
21 Shouldham Street London W1H 5FL
Erection of a single storey rear extension with metal stairs and railings with external a…
24/06909/FULL
2024
28 Molyneux Street London W1H 5HW
T1 - Silver Birch Reduce crown by 25% approx 2 - 2.5 metres back to previous reduction po…
24/06242/TCA
2024
101 - 103 Edgware Road London W2 2HX
Display of an illuminated Ramadan sculpture measuring 2.9m x 3.8m for a temporary period…
24/05742/ADV
2024
150 - 162 Edgware Road London W2 2DT
Installation of 2.5 m high railings and gates at the rear ground floor level.
24/05757/FULL
2024 Approved
150 - 162 Edgware Road London W2 2DT
Alterations to the casino entrance, extension of retractable canopy above the terrace and…
24/02817/FULL
2017 Approved
24 Shouldham Street London W1H 5FL
External and internal alterations at basement level, including new window and door in fro…
17/07792/LBC
2017 Approved
42 Harrowby Street London W1H 5HX
Installation of replacement windows to front and rear elevations.
17/07940/LBC
2017 Approved
42 Harrowby Street London W1H 5HX
Installation of replacement windows to front and rear elevations.
17/07939/FULL
2017 Approved
28 Molyneux Street London W1H 5HW
1 x silver birch (rear, larger tree): Reduce crown to previous most recent reduction poin…
17/08222/TCA
2017 Approved
24 Brendon Street London W1H 5HE
Erection of two storey rear extension at lower ground and ground floor level to enlarge d…
17/06342/FULL
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

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