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Planning application

15 Sydenham Hill London Southwark SE26 6SH

Granted Southwark 23/AP/1965 Works to a Tree with a TPO

Works: Trees

Permission granted. Work must normally begin within three years of the decision or the permission lapses.

Proposal

Works to TPO trees:T1 - Cherry tree approximately 6m in height: Crown thin by 20% including the removal of dead wood and necessary re-shaping. The height and basic shape would be retained. It is important to prune branches at convenient growth points rather than an all round reduction or pollarding which is not permitted.T2 - Camellia tree approximately 6m in height: Reduce in height to just below cill level of the front bedroom window and reshape as necessary.T3 - Almond tree approximately 6m in height: Crown thin by 20% including the removal of dead wood and necessary reshapingT4 - Oak tree approximately 16m in height: Crown thin by 20% including the removal of dead wood and necessary reshaping. The height and basic shape should be retained. It is important to prune branches at convenient growth points rather than an all round reduction or pollarding which is not permitted.T5 - Camellia tree approximately 5.5m in height: Reduce all round to a more formal shape including the removal of dead wood.T6 - Magnolia tree approximately 5-6m in height: Reshape to form a more balanced specimen including the removal of dead woodT7 - Two cherry trees approximately 7.5m in height: Lightly thin and reshape to provide more formal specimensT8 - Hornbeam group approximately 9m in height: The height to be reduced from under the Oak canopy and crown thinned by 20% including the removal of dead wood and necessary reshaping.T9 - Yew tree approximately 6m in height: Crown thin by 20% including the removal of dead wood and necessary reshaping. The height and basic shape should be retained.

As published by the council, reference 23/AP/1965

Application record

Reference
23/AP/1965
Type
Works to a Tree with a TPO
Status
Granted
Decision
Tree Works/TPO Consent - GRANTED
Received
14 Jul 2023
Validated
14 Jul 2023
Decided
16 Aug 2023
Ward
Dulwich Wood
Parish
Dulwich
Decision by
Delegated Panel - Trees
Postcode
SE26 6SH

Site history

Applications at this address on the Southwark register

This site has had 10 applications since 2023: 1 approved, 0 refused.

  • 26/AP/2548 Awaiting decision

    15 Sydenham Hill London Southwark SE26 6SH

    Non-material amendment of planning permission 25/AP/3772 (Construction of single storey rear extension with patio and steps, basement extension to provide indoor swimming pool with terrace atop, south side extension to provide internal staircase to basement and three dormer windows to rear roof slope, remodelling and extension of existing annexe to north side of house, alterations to existing ground floor fenestration, and installation of new front boundary treatment.) NMA:Omission of the basement works, and a corresponding alteration to the terrace on the ground floor. Omission of the side staircase extension in the south-east elevation. Minor amendment to the fenestration in the north-west elevation.

    Submitted 26 Aug 2026
  • 26/AP/2227 Awaiting decision

    15 Sydenham Hill London Southwark SE26 6SH

    Details of Condition 5 (Detailed drawings) as required by planning permission 25/AP/3772 'Construction of single storey rear extension with patio and steps, basement extension to provide indoor swimming pool with terrace atop, south side extension to provide internal staircase to basement and three dormer windows to rear roof slope, remodelling and extension of existing annexe to north side of house, alterations to existing ground floor fenestration, and installation of new front boundary treatment.'

    Submitted 27 Jul 2026
  • 26/AP/2254 Awaiting decision

    15 Sydenham Hill London Southwark SE26 6SH

    Details of Condition 4 (Material samples) as required by planning permission 25/AP/3772 'Construction of single storey rear extension with patio and steps, basement extension to provide indoor swimming pool with terrace atop, south side extension to provide internal staircase to basement and three dormer windows to rear roof slope, remodelling and extension of existing annexe to north side of house, alterations to existing ground floor fenestration, and installation of new front boundary treatment.'

    Submitted 27 Jul 2026
  • 26/AP/2074 Awaiting decision

    15 Sydenham Hill London Southwark SE26 6SH

    Details of condition 8 (Hedgehog accesses) as required by planning permission 25/AP/3772 'Construction of single storey rear extension with patio and steps, basement extension to provide indoor swimming pool with terrace atop, south side extension to provide internal staircase to basement and three dormer windows to rear roof slope, remodelling and extension of existing annexe to north side of house, alterations to existing ground floor fenestration, and installation of new front boundary treatment.'

    Submitted 13 Jul 2026
  • 26/AP/2042 Awaiting decision

    15 Sydenham Hill London Southwark SE26 6SH

    Details of condition 3 (Demolition and Construction Environmental Management Plan (DCEMP)) as required by planning permission 25/AP/3772 'Construction of single storey rear extension with patio and steps, basement extension to provide indoor swimming pool with terrace atop, south side extension to provide internal staircase to basement and three dormer windows to rear roof slope, remodelling and extension of existing annexe to north side of house, alterations to existing ground floor fenestration, and installation of new front boundary treatment.'

    Submitted 13 Jul 2026
  • 26/AP/2075 Awaiting decision

    15 Sydenham Hill London Southwark SE26 6SH

    Details of condition 9a (Bee bricks and/or invertebrate hotels) as required by planning permission 25/AP/3772 'Construction of single storey rear extension with patio and steps, basement extension to provide indoor swimming pool with terrace atop, south side extension to provide internal staircase to basement and three dormer windows to rear roof slope, remodelling and extension of existing annexe to north side of house, alterations to existing ground floor fenestration, and installation of new front boundary treatment.'

    Submitted 13 Jul 2026
  • 26/AP/2073 Awaiting decision

    15 Sydenham Hill London Southwark SE26 6SH

    Details of condition 7a (Bat tubes, bricks or boxes) as required by planning permission 25/AP/3772 'Construction of single storey rear extension with patio and steps, basement extension to provide indoor swimming pool with terrace atop, south side extension to provide internal staircase to basement and three dormer windows to rear roof slope, remodelling and extension of existing annexe to north side of house, alterations to existing ground floor fenestration, and installation of new front boundary treatment.'

    Submitted 13 Jul 2026
  • 26/AP/2044 Awaiting decision

    15 Sydenham Hill London Southwark SE26 6SH

    Details of condition 6a (Bird boxes) as required by planning permission 25/AP/3772 'Construction of single storey rear extension with patio and steps, basement extension to provide indoor swimming pool with terrace atop, south side extension to provide internal staircase to basement and three dormer windows to rear roof slope, remodelling and extension of existing annexe to north side of house, alterations to existing ground floor fenestration, and installation of new front boundary treatment.'

    Submitted 13 Jul 2026
  • 25/AP/3772 Awaiting decision

    15 Sydenham Hill London Southwark SE26 6SH

    Single-storey rear extension, side staircase, extension to existing annexe, basement conversion with extension, roof dormers and front boundary treatment.

    Submitted 22 Dec 2025 Householder

Timeline

Dates from the published record

  1. 14 Jul 2023

    Received by Southwark

  2. 16 Aug 2023

    Decision issued: Tree Works/TPO Consent - GRANTED

  3. 26 Aug 2026

    Added to PlanIndex

Documents

Plans, drawings, consultee responses and the officer's report

6 documents on file for this application

A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.

Trade members open them from here.

Open the documents

What this grant of permission means

Southwark granted permission on 16 August 2023, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.

About tree works applications

Applications for works to trees cover protected trees: consent under a tree preservation order, or six weeks notice for trees in a conservation area. More in our guide to planning application types.

Nearby applications

Within 500 metres

  • 15 Sydenham Hill London Southwark SE26 6SH

    25/AP/3772 Submitted 22 Dec 2025 1m away

    95% historically approved · decision due ~17 Feb

    Single-storey rear extension, side staircase, extension to existing annexe, basement conversion with extension, roof dormers and front boundary treatment.

    Awaiting decision Householder Extension Loft or dormer 30 docs
    Small domestic

  • 15A Sydenham Hill London Southwark SE26 6SH

    25/AP/3156 Submitted 30 Oct 2025 23m away

    95% historically approved · decision due ~26 Dec

    Alteration to existing front wall and railings and formation of a new domestic car parking area, including the formation of a new crossover

    Awaiting decision Householder 5 docs
    Domestic

  • 15 Sydenham Hill London Southwark SE26 6SH

    26/AP/2074 Submitted 13 Jul 2026 55m away

    95% historically approved · decision due ~8 Sep

    Details of condition 8 (Hedgehog accesses) as required by planning permission 25/AP/3772 'Construction of single storey rear extension with patio and steps, basement extension to provide indoor swimming pool with terrace atop, south side extension to provide internal staircase to basement and three dormer windows to rear roof slope, remodelling and extension of existing annexe to north side of house, alterations to existing ground floor fenestration, and installation of new front boundary treatment.'

    Awaiting decision Extension Loft or dormer +1
    Small domestic

  • 15 Sydenham Hill London Southwark SE26 6SH

    26/AP/2042 Submitted 13 Jul 2026 55m away

    95% historically approved · decision due ~8 Sep

    Details of condition 3 (Demolition and Construction Environmental Management Plan (DCEMP)) as required by planning permission 25/AP/3772 'Construction of single storey rear extension with patio and steps, basement extension to provide indoor swimming pool with terrace atop, south side extension to provide internal staircase to basement and three dormer windows to rear roof slope, remodelling and extension of existing annexe to north side of house, alterations to existing ground floor fenestration, and installation of new front boundary treatment.'

    Awaiting decision Extension Loft or dormer +2
    Small domestic

  • 15 Sydenham Hill London Southwark SE26 6SH

    26/AP/2075 Submitted 13 Jul 2026 55m away

    95% historically approved · decision due ~8 Sep

    Details of condition 9a (Bee bricks and/or invertebrate hotels) as required by planning permission 25/AP/3772 'Construction of single storey rear extension with patio and steps, basement extension to provide indoor swimming pool with terrace atop, south side extension to provide internal staircase to basement and three dormer windows to rear roof slope, remodelling and extension of existing annexe to north side of house, alterations to existing ground floor fenestration, and installation of new front boundary treatment.'

    Awaiting decision Extension Loft or dormer +1
    Small domestic

  • 15 Sydenham Hill London Southwark SE26 6SH

    26/AP/2073 Submitted 13 Jul 2026 55m away

    95% historically approved · decision due ~8 Sep

    Details of condition 7a (Bat tubes, bricks or boxes) as required by planning permission 25/AP/3772 'Construction of single storey rear extension with patio and steps, basement extension to provide indoor swimming pool with terrace atop, south side extension to provide internal staircase to basement and three dormer windows to rear roof slope, remodelling and extension of existing annexe to north side of house, alterations to existing ground floor fenestration, and installation of new front boundary treatment.'

    Awaiting decision Extension Loft or dormer +1
    Small domestic

In Southwark

  • 26/AP/1574 Granted

    Land Adjacent Lovers Walk And Gallery Road London Southwark SE21 7BE

    TPO 451: Silver Birch (2609), Common Ash (2608), Norway Maple (2603), Common Lime (2594) and Broad-leaved Cockspur Thorn (2584) - Fell to ground level. Trees replaced in keeping with the Estate's Tree Replacement Policy.

    29 May 2026 Trees
  • 26/AP/1537 Withdrawn

    7 Herne Hill London Southwark SE24 9NF

    Works to tree with a TP0: T1 - Sycamore- Reduce crown by 30%

    28 May 2026 Trees
  • 26/AP/1481 Granted

    Grove Tavern 520 Lordship Lane London Southwark SE22 8LF

    T7885 (Ash): veteranisation. reduce to approx 8m above ground level. Retaining lateral growth up to 3m away from stem.

    22 May 2026 Trees
  • 26/AP/1527 Granted

    12 Hambledon Place London Southwark SE21 7EY

    (T4) Pittosporum (no. 12) Cut overhanging branches to boundary line, crown reduce tree by 1m and crown thin by 20% - Routine maintenance. Height from 4.5m to 3.5m Crown spread from 3.0m to 2.0m

    27 May 2026 Trees
  • 26/AP/1526 Granted

    11 Hambledon Place London Southwark SE21 7EY

    Works to tree with a TCA: (T5) Box Elder (no. 11) Remove deadwood, crown reduce by 1m and crown thin by 10% - routine maintenance. Height from 3.5m to 2.5m. Crown spread from 2.5m to 1.5m

    27 May 2026 Trees