Basement Flat A 103 Alderney Street London SW1V 4HE Data via plota.co.uk

26/01903/TCA - Applic. for works to trees in CA Approved
Trees & landscaping

Proposal

1 x bay tree (rear): reduce height by 2m to 3m; to no more than previous reduction points; retaining shortened growth for furnishing. Reduce sides to match (by approximately 1m to 1.5m). Thin crown by 20%. 1 x Cotoneaster (rear): reduce low lateral branch over neighbours garden back to the upwards growing lateral branch about 1m from the main trunk union, reduce remaining crown by 2-3m all round to shape and balance ensuring retention of fine branch structure across the entire canopy area for crown continuity. Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
24 Mar 2026
✓
Validated
15 Apr 2026
✓
Approved
20 Apr 2026

Approved on 20 Apr 2026 · Delegated Decision · Last checked 18 Jul 2026

Documents 7

Decision & officer reports 1

PDF TCA NO OBJECTIONS Decision Notice · 21 Apr 2026 View ↗

Statements & assessments 1

PDF PROPOSAL Ventilation/Extraction statement · 24 Mar 2026 View ↗

Application forms 2

PDF APPLICATIONFORMREDACTED Application Form · 24 Mar 2026 View ↗ PDF FEECALCULATION Background Papers · 24 Mar 2026 View ↗

Other documents 3

PDF TCA INVALID LETTER Background Papers · 25 Mar 2026 View ↗ PDF ATTACHMENTSUMMARY Background Papers · 24 Mar 2026 View ↗ PDF RECEIPT OF APPLICATION Other · 24 Mar 2026 View ↗

All documents on the council site ↗

Site constraints 10

Grade II listed: 108-138, Cambridge Street Sw1
List entry 1357243 · 19 m from the pin · 7 more listed buildings within 150 m (1 Grade II*, 6 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 7 with distances
Historic England ↗
Flood zone 3, rivers and sea
High chance: a 1 in 100 or greater annual chance from rivers, or 1 in 200 from the sea. Any development here needs a flood risk assessment. Defences are not counted.
The Environment Agency flood map for planning. Homes in zone 3 must also pass the sequential test. Surface water flooding is a separate map.
Flood map ↗
Pimlico 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.
Archaeological priority area: City of Westminster APA 3.2
An assessment or field evaluation may be asked for before ground works.
The council or Historic England considers archaeology likely here. A desk-based assessment, and sometimes trial trenching, can be asked for with the application.
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 103 m away: Warwick Square; Heritage at risk 62 m away: Church of St Gabriel, Warwick Square, Pimlico; Inside the City of Westminster built-up area.
Not affected
Not green belt · No scheduled monument at the site

Checked on 11 September 2026. Historic England, the Environment Agency, Natural England 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 works to trees in CA
Postcode
SW1V 4HE
Received
24 Mar 2026
Validated
15 Apr 2026
Ward
Pimlico North
Case officer
Show
Target decision
10 Jun 2026
Decision
No objections
Decision date
20 Apr 2026
Decision level
Delegated Decision
Applicant
Show

How this decision compares

Decided in 5 days from validation, 23 days faster than Westminster's median of 28 for tree and landscaping works. Approved, as 98% of tree and landscaping works here are.

90%decided within 8 weeks
98%approved
318decided 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 →

Consultation & key dates

Alt. reference
PP-14805150
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 5 66 Gloucester Street London SW1V 4EF
Replacement of six single-glazed windows with double-glazed windows at second floor level…
25/05486/FULL
2025 Approved
106G Cambridge Street London SW1V 4QG
Installation of replacement double glazed windows at fourth floor level.
25/05397/FULL
2025 Approved
110 Cambridge Street London SW1V 4QF
1 x whitebeam: remove four small branches as identified in the submitted photo.
25/06023/TCA
2025
Flat N 29 Warwick Square London SW1V 2AD
Extension of flat N into vaults 1 & 2 & 3 situated below pavement (Retrospective permissi…
25/06516/LBC
2025
Flat N 29 Warwick Square London SW1V 2AD
Extension of flat N into vaults 1 & 2 & 3 situated below pavement (Retrospective permissi…
25/06515/FULL
2025
142 Cambridge Street London SW1V 4QF
Installation of two external air conditioning units in the roof top terrace.
25/05656/FULL
2025 Approved
110 Cambridge Street London SW1V 4QF
1 x whitebeam: crown reduce to previous, most recent reduction points.
25/04191/TCA
2025
91 Alderney Street London SW1V 4HF
T1 Sycamore: Reduce by 2-3m on all aspects and compass points to shape Reason: Routine ma…
25/02875/TCA
2025
106A Cambridge Street London SW1V 4QG
T2 Lime: Reduce by 2-3m on all aspects and compass points to shape Reason: Routine mainte…
25/02876/TPO
2025 Approved
54 Gloucester Street London SW1V 4EG
Removal of existing fibre optic equipment and cabling and installation of new cables to f…
25/01064/CLOPUD
2024 Approved
1 Sussex Street London SW1V 4RZ
Erection of mansard roof extension including new conservation rooflight; raising existing…
24/01644/FULL
2024
106A Cambridge Street London SW1V 4QG
T1 - Lime Actions - Re-pollard by 2m reduction Reasons - Traditional pruning of tree in c…
24/01976/TPO
2023 Approved
89 Alderney Street London SW1V 4HF
Replacement of the window at the screen under the entrance bridge, a window at lower grou…
23/02123/FULL
2023 Approved
St Gabriel's Church Warwick Square London SW1V 2AD
1 x ash, 1 x purple plum: pruning of any roots with a diameter of less than 25mm, in the…
23/08734/TCA
2023 Approved
110 Cambridge Street London SW1V 4QF
1 x Whitebeam (T1): Reduce crown sides back to the previous pruning points (approx. 1 met…
23/08029/TCA
2023 Approved
94 Cambridge Street London SW1V 4QG
T1 1 x sycamore: crown reduce to previous, most recent reduction points retaining shorten…
23/07644/TCA
2023 Withdrawn
Flat M 29 Warwick Square London SW1V 2AD
Replacement of existing single-glazed sashes and the casement and associated top light an…
23/04285/LBC
2023 Withdrawn
Flat M 29 Warwick Square London SW1V 2AD
Replacement of existing single-glazed sashes and the casement and associated top light an…
23/04564/FULL
2023 Refused
Flat M 29 Warwick Square London SW1V 2AD
Replacement of front elevation windows with new double glazed timber sash windows and kit…
23/04563/FULL
2023 Approved
65 Gloucester Street London SW1V 4DZ
Installation of a black metal handrail to front entrance steps.
23/01177/FULL
2016 Approved
121 Cambridge Street London SW1V 4PZ
1 x Salix Matsudana Tortuosa - Prune 2 x lowest lateral limbs growing over footpath back…
16/10226/TCA
2016 Approved
Warwick Square London
Installation of 2 no. additional equipment cabinets each measuring approx. 600mm x 480mm…
16/00263/TELCOM
2016 Approved
91 Alderney Street London SW1V 4HF
1 x sycamore (rear): Crown reduce to previous, most recent reduction points.
16/01948/TCA
2016 Approved
106 Cambridge Street London SW1V 4QG
1 x Lime (rear): crown reduce to previous, most recent reduction points, retaining shorte…
16/01956/TCA
2016 Approved
16 Winchester Street London SW1V 4NE
Reconstruction and extension of closet wing at rear second floor level.
16/00279/FULL
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