49 - 51 Leinster Square London W2 4PU Data via plota.co.uk

26/06219/FULL - Full Planning Permission Application Pending
Extensions & alterationsListed buildings

Proposal

Alterations to rear basement area across all 3 buildings, including removal of existing rooflights and creation of 3 lightwells, basement elevation alterations and landscaping changes. Internal works (Linked to 26/06220/LBC) Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
10 Sept 2026
Decision
Expected by 5 Nov 2026

Under consideration

No decision has been issued yet. Plota predicts a decision between 31 Oct 2026 and 9 Nov 2026, from Westminster's recent extensions.

Documents 12

Statements & assessments 3

PDF ARBORICULTURAL METHOD STATEMENT Tree Survey · 10 Sept 2026 View ↗ PDF ARBORICULTURAL REPORT AND ARBORICULTURAL IMPACT ASSESSMENT Tree Survey · 10 Sept 2026 View ↗ PDF PLANNING, DESIGN AND ACCESS AND HERITAGE STATEMENT Heritage Statement · 10 Sept 2026 View ↗

Plans & drawings 5

PDF LOCATION PLAN Location Plan · 10 Sept 2026 View ↗ PDF TREE CONSTAINTS AND TREE PROTECTION PLAN Drawing · 10 Sept 2026 View ↗ PDF PROPOSED DRAWINGS Drawing · 10 Sept 2026 View ↗ PDF EXISTING DRAWINGS Drawing · 10 Sept 2026 View ↗ PDF DRAWING REGISTER AND ISSUE SHEET Background Papers · 10 Sept 2026 View ↗

Application forms 1

PDF APPLICATIONFORMREDACTED Application Form · 10 Sept 2026 View ↗

Other documents 3

PDF RECEIPT OF APPLICATION Other · 21 Sept 2026 View ↗ PDF DRAIN INSPECTION REPORT Report · 10 Sept 2026 View ↗ PDF DRAIN REPAIR REPORT Report · 10 Sept 2026 View ↗

All documents on the council site ↗

Associated applications 2

Site constraints 8

Grade II listed: 38-57, Leinster Square W2
List entry 1221948 · The pin is inside its outline · 28 more listed buildings within 150 m (27 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 28 with distances
Historic England ↗
Bayswater 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 ↗
Also on the record
Tree preservation order 10 m away: W2_A2; Inside the City of Westminster built-up area; Public transport access: PTAL 6a (excellent), TfL 2023, for the 100 m square; National infrastructure project 1954 m away: London Strategic Heat Main Project, at pre-application.
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.

Sales history 1

Last sold for £11,500,000 in March 2015. Other property, freehold.

5 March 2015£11,500,000Recorded as a transfer outside a standard sale

Sale prices from HM Land Registry's price paid record, matched to this application by its address.

Building

Floor area1,313 m² (14,133 sq ft)
Energy ratingB (asset rating 45)
UseHotels
HeatingHeating and Natural Ventilation

From the energy performance certificate lodged in October 2024, the latest held for this property. The building may have changed since. View the certificate

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Other new applications on this street

3 Jul 2026Refused

Fourth Floor Flat 44 Leinster Square London W2 4PU

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Important details

Council
Westminster
Application type
Full Planning Permission Application
Postcode
W2 4PU
Received
10 Sept 2026
Validated
10 Sept 2026
Ward
Bayswater
Case officer
Show
Target decision
5 Nov 2026
Applicant
Show
Agent
J Butterworth Planning

Decision outlook

Day 29 of the 56-day target. Westminster usually decides extensions by day 55.

Day 2927 days to the 56-day target
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.

79 neighbours consulted · Last counted 30 Sept 2026

Read the comments on the council site ↗

Consultation & key dates

Alt. reference
PP-15212691
Planning Portal ref
PP-15212691
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
Flat 4 52 - 53 Leinster Square London W2 4PU
Internal alterations to reconfigure the layout of the second floor flat including the add…
25/08114/LBC
2025 Refused
63 - 64 Leinster Square London W2 4PS
Replacement of existing front door to No. 63 (Linked 25/04466/FULL)
25/04467/LBC
2025
26 Leinster Square London W2 4NQ
Overcladding of the existing steps and basement lightwell floor with natural stone. (Link…
25/02146/FULL
2025
Flat L 4 Leinster Square London W2 4PL
Internal alterations to existing ground floor flat. Includes removal of chimney breasts…
25/02104/LBC
2025 Approved
Open Space Leinster Square London W2 4PU
3 bay trees T1, T2, T5: crown reduce to previous, most recent reduction points (approx. 0…
25/01716/TPO
2025
26 Leinster Square London W2 4NQ
Variation of Conditions 1 (approved plans) and 2 (location and provision of communal faci…
25/01626/FULL
2024
Flat L 4 Leinster Square London W2 4PL
Refurbishment and extension of existing lower ground floor flat; garden extension at the…
24/06584/FULL
2024
Flat L 4 Leinster Square London W2 4PL
Refurbishment and extension of existing lower ground floor flat; garden extension at the…
24/06585/LBC
2024
Flat 3 63 - 64 Leinster Square London W2 4PS
Variation of condition 1 of listed building dated 7th July 2023 (RN:23/02370/LBC) for the…
24/03694/FULL
2024 Approved
11 Leinster Square London W2 4PL
Erection of a single storey rear lower ground floor extension and internal alterations. (…
24/01770/LBC
2024 Approved
11 Leinster Square London W2 4PL
Erection of a single storey rear lower ground floor extension and internal alterations. (…
24/01769/FULL
2023
Flat D 2 Leinster Square London W2 4PL
Replacement of all windows (3 on the front and 2 in the rear) at third floor level with d…
23/07457/LBC
2023
Flat D 2 Leinster Square London W2 4PL
Replacement of all windows (3 on the front and 2 in the rear) at third floor level with d…
23/07456/FULL
2022 Approved
62 Prince's Square London W2 4PX
Internal works including removal of added partitions to restore original room sizes to re…
22/07510/LBC
2023
Apartment 4 16 Leinster Square London W2 4PR
Replacement of the plasterboard ceilings and the reinstatement of the lath and plaster ce…
23/04779/LBC
2023 Approved
20-22 Leinster Square London W2 4PR
Renovation/reconfiguration at lower ground floor level including repositioning of interna…
23/03685/LBC
2023 Approved
49-51 Leinster Square London W2 4PU
Replacement of existing skylights with like for like replacement to rear garden at ground…
23/01777/LBC
2023 Approved
49-51 Leinster Square London W2 4PU
Replacement of existing skylights with like for like replacement to rear garden at ground…
23/01776/FULL
2022 Approved
62 Prince's Square London W2 4PX
The removal of internal partitions and associated alterations in association with the ama…
22/07050/CLOPUD
2023 Approved
36 Leinster Square London W2 4NQ
1 x lime: crown reduce to previous, most recent reduction points, retaining shortened fur…
23/00300/TPO
2019 Approved
13-19 Leinster Square London W2 4PR
Display of non-illuminated signs(door arch) attached to scaffolding measuring 2.44m x 1.2…
19/01066/ADV
2018 Approved
13-19 Leinster Square London W2 4PR
Variation of condition 1 of planning permission dated 04 August 2017 (RN: 17/01152/FULL)…
18/05159/FULL
2018 Approved
13-19 Leinster Square London W2 4PR
Variation of condition 1 of listed building consent dated 04 August 2017 (RN: 17/01181/LB…
18/05270/LBC
2018 Approved
36 Leinster Square London W2 4NQ
1 x lime (rear): crown reduce to previous, most recent reduction points, retaining shorte…
18/08939/TPO
2018 Approved
Flat 8 52-53 Leinster Square London W2 4PU
Variation of Condition 3 of listed building consent dated 19 October 2017 (RN: 17/06170/L…
18/01815/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

Sale prices: Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.

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.