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18 Dekker Road London Southwark SE21 7DL

26/AP/1487Works to a Tree in a Conservation AreaApproved

Approved on 6 July 2026

Site boundary (council red line)

Proposal

Crown reduction of T5939 (Holly) to a height of 5m with reshaping to form a rounded crown, together with crown lifting to 2.4m above ground level.

Received
22 May 2026
Ward
Dulwich Village
  1. Received22 May
  2. Validated26 May
  3. Consult.
  4. Target6 Jul
  5. Decided6 Jul

Decided in 41 days (council typically 49)

About this application

This is a tree application at 18 Dekker Road London Southwark SE21 7DL. Southwark has handled 539 applications of this type. This one was decided in 45 days, 4 days quicker than Southwark's typical decision time. The site is in the Dulwich Village conservation area, with 15 listed buildings nearby. There has been 1 other application at this address. In the past year there have been 227 applications across Dulwich Village. We hold 1,063 applications in total for the SE21 postcode area.

99% of trees applications at London Borough of Southwark were approved. Across all application types, the council typically decides in about 7 weeks (median).

Based on decided applications received in the last 3 years.Planning something similar? See what gets approved on your street

Application details

Postcode
SE21 7DL
Application type
Works to a Tree in a Conservation Area
Scale / size
Small
Parish
Dulwich

Planning application dates

Date validated
26 May 2026
Target decision date
6 July 2026

Planning decision

Statutory period
41 days

Additional information

Comments
0
Documents
3

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Conservation area: Dulwich Village
  • Flood zone 1: Low probability (rivers and sea)
Also checked, none recorded (23)

flood storage areas, listed buildings, Article 4 directions, tree preservation orders, green belt, scheduled monuments, World Heritage Sites, World Heritage Site buffer zones, registered parks and gardens, registered battlefields, Heritage at Risk entries, nutrient neutrality catchments, national parks, National Landscapes, SSSIs, Special Areas of Conservation, Special Protection Areas, Ramsar sites, ancient woodland, national nature reserves, local nature reserves, heritage coasts and brownfield registers.

A guide only, from official open data; it is not a planning search. Flood zones cover rivers and sea, not surface water.

Data © Crown copyright and others · sources and licences

Contains public sector information from planning.data.gov.uk (MHCLG and local planning authorities), licensed under the Open Government Licence v3.0. © Crown copyright and database right 2026.

© Historic England 2026. Contains Ordnance Survey data © Crown copyright and database right 2026. The Historic England GIS Data contained in this material was obtained on 2026-11-03. The most publicly available up to date Historic England GIS Data can be obtained from HistoricEngland.org.uk.

© Natural England copyright. Contains Ordnance Survey data © Crown copyright and database right 2026.

© Environment Agency copyright and/or database right 2026. All rights reserved. Flood Map for Planning, Open Government Licence v3.0.

Contains Ordnance Survey data © Crown copyright and database right 2026.

Source: Office for National Statistics licensed under the Open Government Licence v.3.0. Contains OS data © Crown copyright and database right 2026.

Associated applications

  1. 2026
    28 May

    Felling to ground level and stump grinding of three Arizona Cypress trees (T5938, T7480 and T7481, subject to…

    ApprovedApplicationFiled alongside26/AP/1486
  2. 2026
    22 May

    Crown reduction of T5939 (Holly) to a height of 5m with reshaping to form a rounded crown, together with…

    This applicationApprovedTrees26/AP/1487

Source: Southwark

Contains public sector information from the Planning London Datahub, licensed under the Open Government Licence v3.0.

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