18 HORNCASTLE ROAD, LONDON, SE12 9LA

1. 11 Aug 2025

   Received by Lewisham

2. 12 Aug 2025

   Validated

   Checked as complete and ready for consideration.

3. 7 Oct 2025

   Decision issued: Granted

4. 10 Aug 2026

   Added to PlanIndex

Lewisham granted permission on 7 October 2025, 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.

• 34 HORNCASTLE ROAD, LONDON, SE12 9LA

  DC/19/113510 Submitted 13 Aug 2019 0m away

  Prior approval for the construction of a single storey rear extension at 34 Horncastle Road, SE12. The proposal would measure 3.7m beyond the rear wall of the property, with a maximum height of 3.8m and an eaves height of 2.7m.

  Granted Prior approval Extension 5 docs
  Small domestic

• 30 HORNCASTLE ROAD, LONDON, SE12 9LA

  DC/25/142452 Submitted 16 Dec 2025 0m away

  Construction of a front porch and single-storey front extension at 30 Horncastle Road, SE12.

  Refused Householder Extension 8 docs
  Small domestic

• 11 HORNCASTLE ROAD, LONDON, SE12 9LH

  DC/26/144273 Submitted 9 Jun 2026 57m away

  87% historically approved · decision due ~4 Aug

  Ground floor rear extension and internal alterations at 11 Horncastle Road, SE12

  Decided Extension

• 4 HORNCASTLE CLOSE, LONDON, SE12 9LQ

  DC/19/112799 Submitted 21 Jun 2019 95m away

  An application submitted under Section 96a of the Town & Country Planning Act 1990 for a non material amendment in connection with the planning permission (DC/16/098159) dated 22 November 2016 for the construction of a single storey extension and extension at first floor level to the rear at 4 Horncastle Close SE12:- in order to enlarge the floor area to the ground and first floor extensions.

  Refused Amendments Extension 20 docs
  Small domestic

• 31 KINGSHURST ROAD, LONDON, SE12 9LD

  DC/19/113862 Submitted 13 Sep 2019 99m away

  Lawful Development Certificate (Proposed) for the construction of a hip-to-gable roof extension and rear roof dormer and insertion of three rooflights to front roofslope, at 31 Kingshurst Road, SE12

  Granted Lawful development Extension Loft or dormer 5 docs

• 3 KINGSHURST ROAD, LONDON, SE12 9LD

  DC/25/141823 Submitted 16 Oct 2025 99m away

  Single-storey rear extension, installation of a porch, alterations to the existing side extension to facilitate the conversion of the garage into a habitable room, together with associated external works at 3 Kingshurst Road, SE12 9LD.

  Granted Householder Extension 10 docs
  Small domestic

• DC/26/144603 Granted

  6 FRIENDLY STREET, LONDON, SE8 4DT

  Patial demoltion of existing rear additions, construction of a new single storey rear extension and all associated works at 6 Friendly Street, SE8

  6 Jul 2026 Householder
• DC/26/144728 Granted

  140 LONGHILL ROAD, LONDON, SE6 1UA

  Demolition of existing outbuildings and construction of a replacement outbuilding for use as a home gym with a bathroom and storage in the rear garden at 140 Longhill Road, SE6.

  13 Jul 2026 Householder
• DC/26/144355 Refused

  84 SANDHURST ROAD, LONDON, SE6 1XE

  The provision of a vehicle crossover and removal of part of the boundary wall to the front of 84 Sandhurst Road SE6.

  16 Jun 2026 Householder
• DC/26/144623 Granted

  10 BLASHFORD STREET, LONDON, SE13 6UA

  Construction of a roof extension on the main rear and secondary roof slopes at 10 Blashford Street, SE13 together with two roof lights in the front roof slope.

  7 Jul 2026 Householder
• DC/26/144596 Refused

  89 ALGERNON ROAD, LONDON, SE13 7AP

  Construction of a rear roof dormer and insertion of two rooflights at the front elevation of 89 Algernon Road, SE13.

  3 Jul 2026 Householder