21 HORNCASTLE ROAD, LONDON, SE12 9LG

1. 27 Nov 2018

   Received by Lewisham

2. 11 Dec 2018

   Validated

   Checked as complete and ready for consideration.

3. 6 Feb 2019

   Decision issued: Granted

4. 10 Oct 2026

   Added to PlanIndex

Lewisham granted permission on 6 February 2019, 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.

• 29 HORNCASTLE ROAD, LONDON, SE12 9LG

  DC/19/111845 Submitted 9 Apr 2019 50 yards away

  The construction of a single storey side to rear extension at 29 HORNCASTLE ROAD, SE12.

  Granted Householder Extension 4 docs
  Small domestic

• 68 PITFOLD ROAD, LONDON, SE12 9HY

  DC/25/141967 Submitted 28 Oct 2025 100 yards away

  Construction of a single storey rear extension and new bi-folding doors in part of the existing rear elevation of 68 Pitfold Road, SE12.

  Granted Householder Extension Windows or glazing 5 docs
  Small domestic

• 72 HORNCASTLE ROAD, LONDON, SE12 9LA

  DC/19/111346 Submitted 7 Mar 2019 100 yards away

  the construction of a rear dormer roof extension, a side hip-to-gable roof extension, and the installation of 3 rooflights to the front roofslope at 72 Horncastle Road, SE12

  Granted Householder Extension Loft or dormer 7 docs
  Domestic

• 14 HORNCASTLE ROAD, LONDON, SE12 9LA

  DC/18/109733 Submitted 15 Nov 2018 100 yards away

  Construction of a two storey extension at the side of 14 Horncastle Road, SE12, together with replacement rendering to the main building and insertion of x2 rooflights to side elevation.

  Granted Householder Extension Loft or dormer 7 docs
  Domestic

• 18 HORNCASTLE ROAD, LONDON, SE12 9LA

  DC/25/141088 Submitted 11 Aug 2025 100 yards away

  Construction of a roof extension (retrospective), together with 3 roof lights to the front elevation and associated works at 18 Horncastle Road, SE12.

  Granted Householder Extension Loft or dormer 4 docs
  Domestic

• 34 HORNCASTLE ROAD, LONDON, SE12 9LA

  DC/19/113510 Submitted 13 Aug 2019 100 yards 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

• 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

  Received 6 Jul, published by the council 3 Aug 2026 Householder
• DC/26/145239 Awaiting decision

  18 ARICA ROAD, LONDON, SE4 2PX

  Construction of a single-storey side/rear wraparound extension featuring roof terrace with glazed privacy screen, L-shape rear roof extension with juliet balacony and two rooflights to the front roofslope of 18 Arica Road, London, SE4 2PX

  Received 31 Aug, published by the council 9 Sep 2026 Householder
• DC/26/145216 Awaiting decision

  54A ALLERFORD ROAD, LONDON, SE6 3DF

  Erection of a single-storey rear extension, roof extensions including side/rear dormer structures and rooflights, installation of a front entrance canopy, and associated internal and external alterations at 54A Allerford Road SE6.

  Received 28 Aug, published by the council 8 Sep 2026 Householder
• DC/26/145218 Awaiting decision

  24 THORNWOOD ROAD, LONDON, SE13 5RG

  The construction of a single-storey rear extension and rear terrace at 24 Thornwood Road, SE13.

  Received 28 Aug, published by the council 10 Sep 2026 Householder
• DC/26/145214 Awaiting decision

  87 GUIBAL ROAD, LONDON, SE12 9HF

  The construction of a two-storey hipped-roof rear extension, replacing the existing conservatory; the construction of a single-storey flat-roof rear extension and a single-storey flat-roof side extension; the formation of an integral garage with associated alterations to the principal elevation, including the installation of garage doors; the replacement of windows and doors on the principal, rear and side elevations; the replacement and repositioning of rooflights; the application of external wall render to the principal elevation; the removal of existing arched features and their replacement with rectangular openings; the removal of soft landscaping and installation of permeable hardstanding to the front garden and driveway at 87 Guibal Road, SE12.

  Received 28 Aug, published by the council 8 Sep 2026 Householder