Harley House Marylebone Road London NW1 5HE Data via plota.co.uk

Pending 26/06521/TPO
Trees & landscaping
Council
Westminster 3.5/10
Date received
23 Sept 2026
Date validated
23 Sept 2026
Postcode
NW1 5HE

Description

18 x London plane: Lift canopies by 2-3m and prune lateral growth over road by 2-3m. Prune to ensure 5m clearance from all buildings and 1-2m clearance from street furniture. Data via plota.co.uk

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Last checked

Decision outlook

Plota predicts a decision between 19 Oct 2026 and 30 Oct 2026, from Westminster's recent tree and landscaping works.

Day 16 of the 56-day target. Westminster usually decides tree and landscaping works by day 31.

Day 1640 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 →

Site constraints 12

Metropolitan Open Land
Green belt level protection inside London.
The London Plan gives Metropolitan Open Land the same protection as green belt: inappropriate development needs very special circumstances.
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 ↗
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 Named permitted development rights are withdrawn here.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: Marylebone Road
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.
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.
29 listed buildings within 150 m
Nearest: Royal Academy of Music, Grade II, 53 m away · 9 Grade I, 1 Grade II*, 19 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 29 with distances
Historic England ↗
Registered park or garden 89 m away: Regent's Park
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 ↗
Also on the record
National infrastructure project 744 m away: London Strategic Heat Main Project, at pre-application; Tree preservation order 19 m away: W78_G1; 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 area357 m² (3,843 sq ft)
Energy ratingF (37 out of 100), could reach E
PropertySemi-detached flat, 10 habitable rooms
BuiltBefore 1900
HeatingBoiler and radiators, mains gas
WallsSolid brick, as built, no insulation (assumed)

From the energy performance certificate lodged in October 2013, the latest held for this property. The building may have changed since. View the certificate

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Historical activity at this location

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

This property

Previous applications at this address

2024
X18 London Plane: Lift canopies by 2-3m and prune to ensure 2-3m clearance from all build…
24/07524/TPO
2016 Approved
Harley House frontage T1 - T18: 18 x Platanus X hispanica: Reduce lateral limbs on proper…
16/02066/TPO
Within ~100m

Nearby activity

2025
Ulster Place London
T297 - Tilia x vulgaris Epicormic growth - Remove from stem to 5 m above ground level to…
25/07069/TCA
2025
The London Clinic 14 - 26 Ulster Place London NW1 5HD
Repair and redecoration of external fabric; new door ironmongery, repaired render, remova…
25/01389/FULL
2025
The London Clinic 14 - 26 Ulster Place London NW1 5HD
Repair and redecoration of external fabric; new door ironmongery, repaired render, remova…
25/01390/LBC
2024
17 Ulster Terrace London NW1 4PJ
Internal alterations including fit-out works to lower ground floor level.
24/06227/LBC
2024
Ulster Place London
T297 - Tilia x vulgis: remove epicormic growth from stem to 5m above ground level. T294…
24/06006/TCA
2024
8 Park Square West London NW1 4LJ
Internal alterations and refurbishment works at lower ground and first floor levels
24/05447/LBC
2024
1 Brunswick Place London NW1 4PN
Removal of two existing two flue pipes and the replacement with ground level fresh air in…
24/04442/LBC
2024
1 Brunswick Place London NW1 4PN
Removal of two existing flue pipes and the replacement with ground level fresh air intake…
24/04441/FULL
2024 Approved
8 Park Square West London NW1 4LJ
Internal alterations and refurbishment works at lower ground and ground floor levels.
24/02514/LBC
2023 Approved
2 Brunswick Place London NW1 4PN
1 x lime (front): crown reduce to previous, most recent reduction points, retaining at le…
23/08054/TPO
2023 Approved
Ulster Place London
T295 & T297 - Tilia x vulgaris (Common Lime): Lift low canopy to 3 m over footpath.
23/06968/TCA
2023 Approved
4 Brunswick Place London NW1 4PN
T1 1 x Magnolia: crown reduce to approximately 0.5-0.75m above the previous reduction poi…
23/05988/TCA
2023 Withdrawn
Flat 70 Harley House Marylebone Road London NW1 5HN
Installation of 1 no. new external condenser unit at the rear of the property.
23/00685/FULL
2023
17 Devonshire Mews West London W1G 6QE
Conversion of ground floor garage with rear extension to form additional 2 bed flat and e…
23/03330/FULL
2022 Approved
Penthouse 1 Harley House Marylebone Road London NW1 5HE
Installation of air conditioning units and associated equipment at roof level.
22/07874/FULL
2022 Refused
142 - 146 Harley Street London W1G 7LE
External alterations including the installation of plant within the courtyard at ground l…
22/04267/FULL
2022 Refused
Penthouse 1 Harley House Marylebone Road London NW1 5HE
Installation of air conditioning units and associated equipment at roof level.
22/00638/FULL
2021 Refused
1 Brunswick Place London NW1 4PN
Replacement of two flue pipes on the rear elevation.
21/04879/LBC
2021 Approved
14-18 Ulster Place London NW1 5HD
T290 - Tilia x vulgaris (Common Lime): lift to 6m over highway.T297 - Tilia x vulgaris (C…
21/05423/TCA
2021
2 Brunswick Place London NW1 4PN
Use of roof as roof terrace with associated decking (retrospective).
21/01787/LBC
2016 Approved
18 Devonshire Place London W1G 6HY
Removal of a small section of railing and a provision of a temporary entrance in place of…
16/06144/FULL
2016 Approved
20 - 22 Devonshire Place London W1G 6BW
Replacement of 1no set of doors with louvered doors and 1no door with window and stone in…
16/06150/FULL
2016 Approved
Flat 24 Harley House Marylebone Road London NW1 5HE
Refurbishment of existing timber framed windows with new double glazed sealed units and c…
16/03058/FULL
2016 Approved
17 Devonshire Mews West London W1G 6QE
Use as 1x3 bedroom and 1x4 bedroom residential units; alterations at roof level to create…
16/01794/FULL
2016 Approved
First Floor Flat 22 York Terrace East London NW1 4PT
Interior alterations to change room layouts.
16/01376/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

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

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.