15 Sydenham Hill London Southwark SE26 6SH

This site has had 10 applications since 2023: 8 approved, 0 refused.

• 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
• 23/AP/1965 Granted

  15 Sydenham Hill London Southwark SE26 6SH

  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.

  Decided 16 Aug 2023 Trees

1. 26 Aug 2026

   Received by Southwark

2. 28 Aug 2026

   Added to PlanIndex

3. 9 Sep 2026

   Validated

   Checked as complete and ready for consideration.

4. 1 Oct 2026

   Status changed to Decided

   Previously Under consideration/assessment.

• 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

1 later application on the register refers to this one:

• 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

Southwark has decided this application; the outcome above is the register's own wording and the decision notice on the council portal carries the detail. More in our guide to what happens after a planning decision.

The published feed does not state which type of application this is; the register entry on Southwark's portal will say. Our guide explains the common types.

• 15 Sydenham Hill London Southwark SE26 6SH

  26/AP/2042 Submitted 13 Jul 2026 50 yards away

  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.'

  Granted Extension Loft or dormer +2 4 docs
  Small domestic

• 15 Sydenham Hill London Southwark SE26 6SH

  26/AP/2073 Submitted 13 Jul 2026 50 yards away

  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.'

  Granted Extension Loft or dormer +1
  Small domestic

• 15 Sydenham Hill London Southwark SE26 6SH

  26/AP/2227 Submitted 27 Jul 2026 50 yards away

  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.'

  Granted Extension Loft or dormer +1
  Small domestic

• 15 Sydenham Hill London Southwark SE26 6SH

  26/AP/2254 Submitted 27 Jul 2026 50 yards away

  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.'

  Granted Extension Loft or dormer +1
  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