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Planning application

26/AP/1487

18 Dekker Road London Southwark SE21 7DL

Granted Southwark Works to a Tree in a Conservation Area

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.

As published by the council, reference 26/AP/1487

Timeline

Dates from the published record

  1. 22 May 2026

    Received by Southwark

  2. 26 May 2026

    Validated

    Checked as complete and ready for consideration.

  3. 6 Jul 2026

    Decision issued: Tree Works/Conservation Area - GRANTED

  4. 25 Jul 2026

    Added to PlanIndex

What a grant of permission means

The process from here

Permission has been granted, usually subject to conditions listed on the decision notice, some of which must be discharged before work starts. The decision notice on the council portal sets out exactly what was approved.

Work must normally begin within three years of the decision or the permission lapses. Neighbours cannot appeal a grant; challenging one means judicial review of how the decision was made, within tight time limits.

About trees applications

How this application type works

Tree applications cover work to protected trees: those under a tree preservation order need consent for pruning or felling, and trees in a conservation area need six weeks written notice before work starts. The council assesses the amenity value of the tree and can refuse consent, approve it with conditions, or in conservation areas make a preservation order in response.

More on trees applications in our guide

Nearby applications

Within 500 metres

  • 26/AP/1486 Granted

    18 Dekker Road London Southwark SE21 7DL

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

    22 May 2026 1m away Trees
  • 22/AP/4012 Granted

    3 Desenfans Road London Southwark SE21 7DN

    Demolition of existing ground floor side extension and replacement with single storey ground floor side and rear extension.

    24 Nov 2022 36m away Householder
  • 26/AP/1312 Granted

    10B Calton Avenue London Southwark SE21 7DQ

    Works to tree with a TCA: T1- 3908 Smokebush (Crown Reduction - Reduce north eastern limb to 50cm away from stem, back to closest growth point and repollard). T2 - 3909 Smokebush (Crown Reduction - Reduce north eastern limb by 1m back to closest growth point. And repollard). T3 - 3907 Smokebush (Crown Reduction - Reduce limb at 1.2m above ground level back to stem (natural target prune). Also Repollard).

    7 May 2026 59m away Trees
  • 26/AP/1965 Granted

    20 Calton Avenue London Southwark SE21 7DQ

    5 DAY NOTIFICATION: 3917 Tree of heaven Deadwood > 5cm Remove major deadwood 3926 Common lime Deadwood > 5cm Remove major deadwood. 3921 Common lime Deadwood > 5cm Remove deadwood over rear garden and footpath. Also Clear basal epicormic growth to allow for ground level to 1.5m inspection.

    7 Jul 2026 68m away Trees
  • 26/AP/1724 Awaiting decision

    13 Court Lane London Southwark SE21 7DH

    Internal rearrangement, addition and replacement of windows, installation of heat pump and solar panels, landscaping to front and rear including removal and replacement of trees.

    16 Jun 2026 72m away Householder
  • 26/AP/1165 Granted

    1B Court Lane London Southwark SE21 7DH

    5 DAY NOTIFICATION. DUTY TO REPLANT. T1. An Ash tree approximately 11m in height, situated in the front garden. The tree has decay and a presence of fungal fruiting bodies at the base of cavity. Fell to ground level and remove stump. Replace with a minimum 10-12cm Manna Ash (Fraxinus Ornus) within the next planting season, by end March 2027.

    23 Apr 2026 82m away Trees

In Southwark

  • 26/AP/2282 Awaiting decision

    92A Underhill Road London Southwark SE22 0QU

    5-day notice under the dead and dangerous tree exemption

    31 Jul 2026 Trees
  • 26/AP/2291 Awaiting decision

    98 College Road London Southwark SE21 7ND

    Tree works 5 day notification: Removal of declining Horse Chestnut tree

    31 Jul 2026 Trees
  • 26/AP/2267 Awaiting decision

    50 Dulwich Village London Southwark SE21 7AJ

    Removal of 1 Category U tree (T4 Indian bean tree), 15 Category C trees (T1 magnolia, T2 Lawson cypress, T5 lilac, T6 Lawson cypress, T7 pencil cedar, T8 common holly, T9 Lawson cypress, T10 Lawson cypress, T11 pencil cedar, T12 myrobalan plum, T13 myrobalan plum, T14 Lawson cypress, T15 maidenhair tree, T20 western red cedar and T25 Himalayan birch) and H2 coniferous hedgerow, with replacement planting comprising 8 Italian/pencil cypress (Cupressus sempervirens), 2 domestic apple trees to create a mini orchard and approximately 25-30 linear metres of English yew hedge (1.0-1.2m instant hedge).

    30 Jul 2026 Trees
  • 26/AP/1834 Granted

    58 Townley Road London Southwark SE22 8SX

    Works to tree with a TCA: T2862 - Copper Beech Works: Crown lift to 1.5m above garage roof and crown lift to 3m above ground level over roadway, remove dead branch towards neighbouring property on East Dulwich Grove. sever and strip ivy from ground level to 1,5m above ground level.

    24 Jun 2026 Trees
  • 26/AP/2245 Awaiting decision

    Elm Lawn Dulwich Common London Southwark SE21 7EW

    T3. Ash Tree. 18 metres in height. 4 metres in width. Fell to ground level using a 21 metre MEWP. Tree is in very poor health. Situated in the rear garden. Mewp is required as the tree is too dangerous to climb.

    29 Jul 2026 Trees