12C Alleyn Road London Southwark SE21 8AL

1. 8 May 2026

   Received by Southwark

2. 2 Jul 2026

   Decision issued: Householder - GRANTED

3. 25 Jul 2026

   Added to PlanIndex

Southwark granted permission on 2 July 2026, 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.

Householder applications cover work to an existing house and its garden, such as extensions, lofts and outbuildings, and cannot create a separate dwelling or change what the building is used for. More in our guide to planning application types.

• 1 Alleyn Road London Southwark SE21 8AB

  26/AP/1793 Submitted 19 Jun 2026 0.1 miles away

  Details of Condition 4 - Landscaping Scheme as required by planning permission 23/AP/3087 dated 13/03/2024 for Enlargement of existing basement with 1no. Lightwell to the front and 1no. Lightwell to the south elevation, associated with new patio area in the rear garden and replacement of ground floor windows; - Construction of loft conversion with 2no. dormer windows and 2no. roof windows on northwest and southeast elevations, associated with removal of 1no. chimney to the front slope and change of roof top on garage; - Conversion of side conservatory to a bricked extension; - Enlargement of vehicular entrance to garage and blocking up of a side door, - blocking up of a rear window and door of the garage; - Installation of solar slates on front and rear roof slopes of both main house and garage; - Installation of 2nos. ASHP and 1no. AC unit on south elevation; - Proposed material railings and gates on the front boundary;

  Granted Conditions Extension Loft or dormer +1 7 docs

• 1 Alleyn Road London Southwark SE21 8AB

  23/AP/3087 Submitted 3 Nov 2023 0.1 miles away

  Enlargement of existing basement with 1no. Lightwell to the front and 1no. Lightwell to the south elevation, associated with new patio area in the rear garden and replacement of ground floor windows; - Construction of loft conversion with 2no. dormer windows and 2no. roof windows on northwest and southeast elevations, associated with removal of 1no. chimney to the front slope and change of roof top on garage;- Conversion of side conservatory to a bricked extension;- Enlargement of vehicular entrance to garage and blocking up of a side door,- blocking up of a rear window and door of the garage; - Installation of solar slates on front and rear roof slopes of both main house and garage;- Installation of 2nos. ASHP and 1no. AC unit on south elevation;- Proposed material railings and gates on the front boundary;

  Granted Householder Extension Loft or dormer +1 30 docs
  Small domestic

• 1 Alleyn Road London Southwark SE21 8AB

  25/AP/3358 Submitted 18 Nov 2025 0.1 miles away

  Variation of Conditions 1 (Approved Plans) for planning permission ref.23/AP/3087. The proposed changes are: 1. Change in front landscaping (design attached) 2. Removing the lean-to conservatory and reducing the size of the basement whilst moving the lightwell further away from the neighbouring property.

  Granted Amendments Extension 20 docs

• 49 Alleyn Park London Southwark SE21 8AT

  25/AP/3566 Submitted 8 Dec 2025 0.1 miles away

  Works to a tree with a TPO: T1 - Back Poplar Populus nigra) reduction of some smaller branches overhanging the neighbour's Oak tree etc (11 Alleyn Road) to the rear by up to 2.5m and removal of one low lateral branch in a northerly direction on no.49 side to help balance tree.

  Granted Trees 8 docs

• 13 South Croxted Road London SE21 8AZ

  21/01422/FUL Submitted 9 Apr 2021 0.1 miles away

  Erection of a ground floor single storey side infill extension and replacement of an existing rear conservatory.

  Granted Full applications Extension 14 docs
  Small domestic

• 12 Alleyn Crescent London Southwark SE21 8BN

  22/AP/2472 Submitted 11 Jul 2022 0.1 miles away

  Specie and Location of Tree:A Whitebeam tree approximately 9m in height, situated in the small front garden (see plan). The tree is very dense and wide spreading.Description of Dulwich Estates Approved Works:Crown thin by 25% including the removal of dead wood and necessary shortening of long lateral branches particularly towards the house. The height and basic shape should be retained.

  Granted Trees 6 docs

• 26/AP/0784 Granted

  60 Grove Park London Southwark SE5 8LF

  Refurbishment of the property including replacement of glazing with thermally efficient conservation windows templated after originals, construction of a single-storey rear extension, a loft extension, minor internal partition alterations, and removal of external soil vent pipes.

  Received 18 Mar, published by the council 28 Jul 2026 Householder
• 26/AP/1958 Granted

  38 Winterbrook Road London Southwark SE24 9JA

  Demolition of the existing rear extension and erection of a single-storey wraparound rear and side extension, together with associated alterations to existing openings, removal of the rear chimney and addition of wooden storage to the side. The proposals also incorporate previously approved roof works under planning permission ref. 25/AP/3282, comprising the enlargement of the existing rear dormer and installation of two rooflights.

  Received 7 Jul, published by the council 25 Jul 2026 Householder
• 26/AP/1789 Granted

  81 Grove Hill Road London Southwark SE5 8DF

  Construction of a single storey rear extension, alteration to the existing side extension roof and rear elevation, internal reconfiguration and associated work

  Received 19 Jun, published by the council 25 Jul 2026 Householder
• 26/AP/1831 Granted

  20 Homeleigh Road London Southwark SE15 3EE

  Construction of L-shaped dormer loft conversion with 450mm ridge raise and installation of three rooflights on front roof slope.

  Received 24 Jun, published by the council 25 Jul 2026 Householder
• 26/AP/1814 Granted

  7 Tollgate Drive London Southwark SE21 7LS

  Rear ground floor extension, garage conversion and partial courtyard infill with associated internal alterations, rooflights, a pergola above the front door and the over the rear terrace. The conversion of the loft to create additional storage and the installation of a rooflight to the main roof.

  Received 22 Jun, published by the council 25 Jul 2026 Householder