18 HORSMONDEN ROAD, LONDON, SE4 1RG

This site has had 3 applications since 2026: 0 approved, 1 refused.

• DC/26/145072 Withdrawn

  18 HORSMONDEN ROAD, LONDON, SE4 1RG

  Roof level dormer extension and rear extension to mid terraced property

  Decided 18 Aug 2026 Householder
• DC/26/144069 Refused

  18 HORSMONDEN ROAD, LONDON, SE4 1RG

  Construction of a porch, new timber front door, single-storey rear extension and rear roof extension with new standing seam zinc roof covering to entire roof, installation of one front roof light and one front cabrio rooflight, replacement aluminium framed windows, external wall insulation with silicate render finish to the front and rear elevations at 18 Horsmonden Road, SE4.

  Decided 13 Jul 2026 Householder

1. 17 Aug 2026

   Received by Lewisham

2. 19 Aug 2026

   Validated

   Checked as complete and ready for consideration.

3. 25 Aug 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 14 October 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

   Lewisham took a median of 53 days over the applications it decided in the last year.

This application is with Lewisham for determination, against a statutory target of eight weeks. Over the last year Lewisham's median decision took 53 days. More in our guide to how long planning decisions take.

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

• 12 HORSMONDEN ROAD, LONDON, SE4 1RG

  DC/26/143179 Submitted 2 Mar 2026 0m away

  Application for a Lawful Development Certificate proposed submitted under Section 192 of the Town & Country Planning Act 1990 (as amended) and Class A of Schedule [2], Part [1] of the Town and Country Planning (General Permitted Development) (England) Order 2015 (as amended) for the construction of a single-storey rear extension to 12 Horsmonden Road, SE4.

  Granted Lawful development Extension 9 docs
  Small domestic

• 18 HORSMONDEN ROAD, LONDON, SE4 1RG

  DC/26/145072 Submitted 17 Aug 2026 0m away

  Roof level dormer extension and rear extension to mid terraced property

  Withdrawn Householder Extension Loft or dormer
  Domestic

• 18 HORSMONDEN ROAD, LONDON, SE4 1RG

  DC/26/144069 Submitted 19 May 2026 0m away

  Construction of a porch, new timber front door, single-storey rear extension and rear roof extension with new standing seam zinc roof covering to entire roof, installation of one front roof light and one front cabrio rooflight, replacement aluminium framed windows, external wall insulation with silicate render finish to the front and rear elevations at 18 Horsmonden Road, SE4.

  Refused Householder Extension Loft or dormer +2 6 docs
  Small domestic

• 53 CROFTON PARK ROAD, LONDON, SE4 1AF

  DC/25/141373 Submitted 8 Sep 2025 79m away

  Application for a Lawful Development Certificate (proposed) submitted under Section 192 of the Town & Country Planning Act 1990 (as amended) Classes B and C of Schedule 2, Part 1 of the Town and Country Planning (General Permitted Development) (England) Order 2015 (as amended) for the installation of two front rooflights, as well as the construction of a rear roof and outrigger roof extension at 53 Crofton Park Road, SE4.

  Refused Lawful development Extension Loft or dormer 5 docs

• 53 CROFTON PARK ROAD, LONDON, SE4 1AF

  DC/25/142064 Submitted 7 Nov 2025 79m away

  Application for a Lawful Development Certificate (proposed) submitted under Section 192 of the Town & Country Planning Act 1990 (as amended) Class A, B and C of Schedule 2, Part 1 of the Town and Country Planning (General Permitted Development) (England) Order 2015 (as amended) for the replacement of rear outrigger window with new garden door, construction of an L-shaped rear dormer extension and installation of front rooflights at 53 Crofton Park Road, SE4.

  Granted Lawful development Extension Loft or dormer +1 7 docs

• 18 CROFTON PARK ROAD, LONDON, SE4 1AE

  DC/26/143190 Submitted 2 Mar 2026 89m away

  Application for a Lawful Development Certificate (proposed) submitted under Section 192 of the Town & Country Planning Act 1990 (as amended) Classes B, C and G of Schedule 2, Part 1 of the Town and Country Planning (General Permitted Development) (England) Order 2015 (as amended) for the construction of a L-shaped rear dormer, removal of chimney and installation of three front rooflights at 18 Crofton Park Road, SE4.

  Granted Lawful development Loft or dormer 7 docs