Skip to content

18 Dekker Road London Southwark SE21 7DL

26/AP/1486Approved

Approved on 7 July 2026

Council decision: Tree Works/Conservation Area - GRANTED

Site boundary (council red line)

Proposal

Felling to ground level and stump grinding of three Arizona Cypress trees (T5938, T7480 and T7481, subject to the TDE tree replacement policy.

Received
22 May 2026
  1. Received22 May
  2. Validated28 May
  3. Consult.
  4. Target
  5. Decided7 Jul

Decided in 40 days

About this application

This is a planning application at 18 Dekker Road London Southwark SE21 7DL. Southwark has handled 7,761 applications of this type. This one was decided in 40 days, 9 days quicker than Southwark's typical decision time. The site is in the Dulwich Village conservation area, with 14 listed buildings nearby. There has been 1 other application at this address. We hold 1,063 applications in total for the SE21 postcode area.

Application details

Postcode
SE21 7DL

Planning application dates

Date validated
28 May 2026

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…

    This applicationApprovedApplication26/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…

    ApprovedWorks to a Tree in a Conservation AreaFiled alongside26/AP/1487

Source: Southwark

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

Track this application

Get email alerts when there is a planning decision or status change.

Get email alerts near SE21

New planning applications delivered to your inbox daily.

Around this site

Discuss this application on r/PlanningPermissionUK

For applicants and trades

Planning something similar?

See what the council approved and refused on your street for the project you have in mind. Pick your home and get the evidence before you pay for drawings.

See what gets approved on your streetBuying this property? Report on this address