Garden Enclosure Portman Square London W1H 6LJ Data via plota.co.uk

26/06534/TPO - Applic. for wks to trees subject to TPO Pending
Trees & landscaping

Proposal

1 x London plane (T1): Crown lift to 7m from ground level 1 x London plane (T72): Crown lift to 7m from ground level 1 x London plane (T46): Crown lift by 1 m to 4m from ground level 1 x London plane (T45): Crown lift by 2-3m over road and pavement to 7m from ground level 1 x London plane (T42): Crown lift to 6-7m from ground level (below crown break) 1 x London plane (T37): Crown lift by 1-2m over road and pavement to 7m from ground level (small diameter pendulous branches only) 1 x London plane (T36): Crown lift over pavement to 5-6 m from ground level (small diameter pendulous branches only) 1 x London plane (T31): Crown lift low pendulous growth by 2 m to 6-7m from ground level 1 x London plane (T29): Crown lift to 6m from ground level. 1 x London plane (T23): Crown lift to 5-6m from ground level to crown break. 1 x London plane (T22): Crown lift over pavement to 7m from ground level. Lift one pendulous branch over garden by 1-2m. 1 x London plane (T16): Crown lift over road and pavement by reduction of low laterals by up to 4-5m to suitable branch junctions, retaining selected furnishing growth. Crown lift pendulous growth only over garden by up to 2m. 1 x London plane (T15): Crown lift by 2 m over road and pavement to 6-7m from ground level. 1 x London plane (T10): Crown lift by 2 m over road and pavement to 6-7m from ground level. 1 x London plane (T9): Crown lift by 2 m over road and pavement to 6-7m from ground level. 1 x London plane (T7): Crown lift over pavement to 7m from ground level to crown break. 1 x London plane (T5): Crown lift over road and pavement to 6m from ground level. 1 x London plane (T11): Crown lift one small diameter pendulous branch projecting to north by 1-2m 1 x London plane (T52): Crown lift small diameter pendulous branches to 7m from ground level to crown break. 1 x London plane (T54): Crown lift small diameter pendulous branches to 7m Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
22 Sept 2026
Decision
Expected by 17 Nov 2026

Under consideration

No decision has been issued yet. Plota predicts a decision between 18 Oct 2026 and 29 Oct 2026, from Westminster's recent tree and landscaping works.

Documents 3

Plans & drawings 1

PDF WALKOVER QTRA PLAN Drawing · 23 Sept 2026 View ↗

Other documents 2

PDF RECEIPT OF APPLICATION Other · 25 Sept 2026 View ↗ PDF TREE PRUNING SPECIFICATION Background Papers · 23 Sept 2026 View ↗

All documents on the council site ↗

Site constraints 12

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 ↗
Registered park or garden 8 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.
12 listed buildings within 150 m
Nearest: Courtauld Institute, Eastern Part, Grade II, 30 m away · 3 Grade I, 9 Grade II
The site itself is not listed. 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 all 12 with distances
Historic England ↗
Also on the record
National infrastructure project: London Strategic Heat Main Project, at pre-application; Tree preservation order 8 m away: W7_A1; Priority habitat 8 m away: Deciduous woodland; Inside the City of Westminster built-up area; Public transport access: PTAL 6b (excellent), TfL 2023, for the 100 m square; Town centre 49 m away: Baker Street (part).
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
Applic. for wks to trees subject to TPO
Postcode
W1H 6LJ
Received
22 Sept 2026
Validated
22 Sept 2026
Ward
Marylebone
Case officer
Show
Target decision
17 Nov 2026
Applicant
Show
Agent
Cook Arboricultural Services

Decision outlook

Day 17 of the 56-day target. Westminster usually decides tree and landscaping works by day 31.

Day 1739 days to the 56-day target
86%decided within 8 weeks
98%approved
589decided in the last year

Plota live figures for tree and landscaping works 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

Env. assessment
No

Historical activity at this location

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

This property

Previous applications at this address

2022 Approved
24 x London planes: tree surgery as per the attached specification and annotated photo of…
22/01000/TCA
2022 Approved
24 x London planes: tree surgery as per the attached specification and annotated photo of…
22/01000/TPO
2020 Approved
2 x Laburnums (T20, T43) Fell and stump grind 1 x Paperbark maple (T85) Prune back from a…
20/05369/TPO
2020 Approved
Installation of sculpture "ME" by the artist David Breuer-Weil.
20/01375/FULL
2019
1 x dogwood (T24): reduce by 1.5 meters all over to maintain shape and lift away from ped…
19/08965/TPO
2018 Approved
1 x London plane (8): Remove 10cm diameter branch at 12m on east side of crown. 1 x Londo…
18/09705/TPO
2018 Approved
1 x London plane (T11): Reduce the lowest limb by 3-4 m to suitable growing points (see i…
18/01536/TPO
Within ~100m

Nearby activity

2025 Approved
Portman Square London
1 x London plane T11: Remove Massaria affected limb - height 22 m height, south-westerly…
25/03161/TPO
2025
20 Portman Square London W1H 6LW
T1 - T3 = To Reduce 3 X London Plane Trees to 1.0/2.0Mtrs Below Previous Pruning Points &…
25/01077/TCA
2025 Approved
13 Baker Street London W1U 3AH
Display of one internally illuminated projecting sign measuring 0.6m X 0.6m.
25/00022/ADV
2024
20 Portman Square London W1H 6LW
Removal of non original columns in stair well.
24/05189/LBC
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
20 Portman Square London W1H 6LW
Installation of a condenser unit to the rear of the property. (Linked to 24/02758/FULL)
24/02759/LBC
2024
20 Portman Square London W1H 6LW
Installation of a condenser unit to the rear of the property (Linked to 24/02759/LBC)
24/02758/FULL
2024
67 - 69 George Street London W1U 8LT
Conversion of an ancillary basement carpark to provide additional self-contained serviced…
24/02573/FULL
2023 Approved
20 Portman Square London W1H 6LW
Replacement of first floor casement doors. (Linked with 23/07993/LBC)
23/08477/FULL
2024
81 George Street London W1U 8NQ
Installation of new fire doors to the lobbies of lift A at ground floor of 73 and Lift B…
24/00533/LBC
2023 Withdrawn
20 Portman Square London W1H 6LW
Replacement of casement door windows at first floor level.
23/06401/CLLB
2023 Approved
1C Baker Street London W1U 8ED
Installation of replacement shopfront.
23/03846/FULL
2023 Approved
18 Portman Close London W1H 6BR
Replace two rear existing rooflights to new flat rooflights, addiditon of water tank on r…
23/00006/FULL
2022 Approved
Unit 4 10 Portman Square London W1H 6AZ
Display of two internally illuminated (letters only) fascia signs each measuring 5.58m x…
22/06258/ADV
2021
Fitzhardinge House Portman Square London W1H 6LH
Erection of a single storey roof extension to provide three new residential units (Class…
21/08177/FULL
2021 Approved
9 - 11 Portman Close London W1H 6BW
3 x London planes (rear courtyard): Reduce the trees back to the most recent points of re…
21/05538/TCA
2021 Approved
Flat 66 15 Portman Square London W1H 6LJ
Extension of existing balustrade of the terrace of the ninth floor, Black metal railing t…
21/05073/FULL
2021 Approved
15 Baker Street London W1U 3AH
Variation of Condition 5 of planning permission dated 11 September 2019 (RN 19/06111/FULL…
21/04986/FULL
2017 Refused
Fitzhardinge House Portman Square London W1H 6LH
Erection of single storey roof extension to provide two new residential units (Class C3).
17/11282/FULL
2016 Approved
142 Wigmore Street London W1U 3SH
Display of non illuminated projecting sign measuring 0.45m X 0.45m
16/11287/ADV
2016 Approved
Portman Square London
1 x Robinia (T25) fell to the ground level and remove stump.
16/04172/TPO
2016 Approved
22-25 Portman Close London W1H 6BR
Installation of replacement entrance doors
16/00703/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 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:
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