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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
Granted As published: 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: 8 approved, 0 refused.

  • 26/AP/2548 Decided

    15 Sydenham Hill London Southwark SE26 6SH

    Non-material amendment to 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.) The amendment seeks to remove the approved basement extension and reconfigure the terrace above; remove the approved south side (staircase) extension; replace the approved two side-facing windows within the existing annexe with a single high level window; remove Condition 11 (Basement Impact Assessment); and amend the description of development accordingly, to read as: Construction of single storey rear extension with patio, steps and extended terrace, 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 26 Aug 2026
  • 26/AP/2227 Granted

    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.'

    Decided 10 Sep 2026
  • 26/AP/2254 Granted

    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.'

    Decided 10 Sep 2026
  • 26/AP/2074 Granted

    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.'

    Decided 1 Sep 2026 Conditions
  • 26/AP/2042 Granted

    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 (amended by 26/AP/2548) 'Construction of single storey rear extension with patio, steps and extended terrace, 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 Granted

    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.'

    Decided 1 Sep 2026 Conditions
  • 26/AP/2073 Granted

    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.'

    Decided 1 Sep 2026
  • 26/AP/2044 Granted

    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.'

    Decided 1 Sep 2026 Conditions
  • 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.

Watch members (£5 a month) open the document list 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 0.3 miles

  • 15 Sydenham Hill London Southwark SE26 6SH

    26/AP/2074 Submitted 13 Jul 2026 50 yards away

    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.'

    Granted Conditions Extension Loft or dormer +1 5 docs
    Small domestic

  • 15 Sydenham Hill London Southwark SE26 6SH

    26/AP/2075 Submitted 13 Jul 2026 50 yards away

    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.'

    Granted Conditions Extension Loft or dormer +1 5 docs
    Small domestic

  • 15 Sydenham Hill London Southwark SE26 6SH

    26/AP/2044 Submitted 13 Jul 2026 50 yards away

    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.'

    Granted Conditions Extension Loft or dormer +1 5 docs
    Small domestic

  • 15 Sydenham Hill London Southwark SE26 6SH

    25/AP/3772 Submitted 22 Dec 2025 50 yards 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 50 yards 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

  • 15A Sydenham Hill London Southwark SE26 6SH

    22/AP/0118 Submitted 17 Jan 2022 50 yards away

    Sycamore (T1) positioned to the lower rear right hand boundary of the garden - remove. Replace with 14-16cm Gleditsia triacanthos Sunburst.Oak (T2) - positioned reasonably close to the rear right hand side of the garden - lightly thin overcrowded areas by up to 20% including the removal of epicormic and dead wood.

    Granted Trees 11 docs

In Southwark

  • 26/AP/2635 Awaiting decision

    Flat 3 3 Crescent Wood Road London Southwark SE26 6RT

    T7473 - Common Holly -Young twin-stemmed holly, (likely self set) with very sparse canopy and poor vitality, symptomatic with the suppression from the adjacent mature trees. Proposed fell to 50cm above ground level and treat with systemic herbicide (ECO-PLUG). Replacement tree in line with TDE's tree replacement policy.

    Received 4 Sep, published by the council 7 Sep 2026 Trees
  • 26/AP/2625 Awaiting decision

    Alleyns School Townley Road London Southwark SE22 8SU

    Works to a tree with a TPO: 1. Sorbus aucuparia T164 - Condemed by tree officer. Slow death, bacterial canker, vigarous shooting from the base. Remove tree and replace with Sciadopitys verticillata. 2. Aesculus hippocastanum T161 - Veteranisation over two years. First cuts to 8m reduction. Mower damage and Ganoderma present. 3m radial mulch and rope off to reduce risk of failing and prolong life of tree. 3. Aesculus hippocastanum T157 - Condemed by tree officer. Reduce height to 3m monolith for biodiversity, replant with with Celtis australis. 4. Aesculus hippocastanum T156 - Condemed by tree officer. Reduce height to 4m monolith for biodiversity, replant with Liquidambar styraciflua. 5. Aesculus hippocastanum T154 - Lift to 5m above storage bays to reduce potential for damage. Tree officer stated that A. hippocastanum is becoming less and less suitable for our climate, with considerations to site and use. All efforts made to rope off mature trees and mulch root plate to prolong their life.

    Received 4 Sep, published by the council 7 Sep 2026 Trees
  • 26/AP/2602 Awaiting decision

    24A Talfourd Road London Southwark SE15 5NY

    Works to tree with a TPO: T1 - Common ash - fell. 18m in height. Fell tree to ground level. A mature common ash (Fraxinus excelsior) standing in the rear garden, closely surrounded by residential property on several sides.

    2 Sep 2026 Trees
  • 26/AP/2584 Awaiting decision

    Naismith House 175 Tower Bridge Road London Southwark SE1 2AH

    To carry out works to trees with a TPO within the grounds of St Johns Churchyard, Southwark, London, SE1 2AH.

    Received 1 Sep, published by the council 8 Sep 2026 Trees
  • 26/AP/2033 Granted

    South London Scout Centre Grange Lane London Southwark SE21 7LH

    Works to trees in a Conservation Area. Agreed amendment email dated Fri 31/07/2026 11:57 T1 Lombardy Poplar. Fell to Ground Level. T2 Lombardy Poplar. Large Trunk wound. Fell to Ground Level. T3 Lombardy Poplar. Fire Damaged. Fell to Ground Level. Review fire protocols. i.e.; no fires within 5m of any tree and 2m away from any canopy. T4 Hybrid Poplar. Reduce to 1m Above Ground Level (AGL). T5 Lombardy Poplar. 50% reduction back to live wood, leaving a 10m high tree. T6 Lombardy Poplar. 50% reduction back to live wood, leaving a 10m high tree. T7 Carolina Poplar. Fell to Ground Level T8 Carolina Poplar Further testing required. PICUS. Wound occlusion and physiology appear GOOD. T9 Carolina Poplar. Good rib formation. Reduce to 4m AGL and retain as monolith for biodiversity. T10 Crack Willow. Reduce to previous reduction points, retaining knuckles. T11 Carolina Poplar. Remove specified branch. Move Mobile Home to designated parking area or install no-dig 3D geocellular ground protection within RPA. Remove rope from stem or install cambium saver. T12 European Ash. scar indicates failure of a bifurcated stemmed tree. Reduce to 4m AGL and retain as monolith. T13. Wild Cherry. Fell to Ground Level. Dead Tree T14 Lombardy Poplar. Crown Dieback. Reduce to 6m AGL. Crown Dieback T15 Lombardy Poplar. Dead Tree, Fell to Ground Level.

    Received 13 Jul, published by the council 25 Jul 2026 Trees