417 SIDCUP ROAD, LONDON, SE9 4EU

1. 28 Oct 2025

   Received by Greenwich

2. 6 Nov 2025

   Validated

   Checked as complete and ready for consideration.

3. 23 Dec 2025

   Decision issued: Approve

4. 11 Aug 2026

   Added to PlanIndex

Greenwich granted permission on 23 December 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.

• 280 MIDDLE PARK AVENUE, ELTHAM, LONDON, SE9 5QG

  24/2665/CP Submitted 29 Jul 2024 92m away

  Certificate of Lawfulness (Proposed) is sought for the formation of new front porch and loft conversion with dormer roof extension.

  Granted Lawful development Extension Loft or dormer 6 docs
  Small domestic

• 508 SIDCUP ROAD, LONDON, SE9 4HA

  24/2225/CP Submitted 19 Aug 2024 148m away

  Certificate of Lawfulness (Proposed) is sought for a hip to gable and rear dormer roof extensions.

  Granted Lawful development Extension Loft or dormer 8 docs

• 43 WEST HALLOWES, ELTHAM, LONDON, SE9 4EY

  25/4009/MA Submitted 28 Nov 2025 163m away

  An application submitted under Section 73 of the Town & Country Planning Act 1990 for a minor material amendment in connection with the planning permission dated 12/11/2025 (Reference: 25/1928/HD) for "Demolition of existing lean-to side garage; construction of a part-two part-one storey side and rear wraparound extension; installation of front rooflights; alterations to front porch; other associated alterations including the introduction of a side passage between boundary and property." to allow: - Amendment to Condition 2 (Approved Drawings)

  Refused Amendments Extension Loft or dormer +1 28 docs
  Small domestic

• 36 Highcombe Close, Mottingham, London, SE9 4QJ

  23/00874/FULL6 Submitted 6 Mar 2023 187m away

  single storey rear extension

  Granted Householder Extension 21 docs
  Small domestic

• 55 JOAN CRESCENT, ELTHAM, LONDON, SE9 5RR

  25/4259/CP Submitted 19 Dec 2025 249m away

  Certificate of Lawfulness (Proposed) is sought for proposed Loft Conversion including rear dormer and front roof lights.

  Granted Lawful development Loft or dormer 6 docs

• 37 LUXFIELD ROAD, ELTHAM, LONDON, SE9 4EZ

  21/0841/HD Submitted 8 Mar 2021 287m away

  Construction of a first floor side infill extension with associated roof alterations, conversion of garage to habitable room including removal of garage door to be replaced with window at front elevation and other associated external alterations.

  Refused Householder Extension Roofing +1 5 docs
  Domestic

• 26/0148/HD Refused

  237 WICKHAM LANE, PLUMSTEAD, LONDON, SE2 0YB

  Retrospective construction of a side extension made of wood and pvc cladding, and associated works. (amended description).

  16 Jan 2026 Householder
• 26/0752/HD Granted

  40 KING WILLIAM WALK, GREENWICH, LONDON, SE10 9HU

  Proposed rear lower ground floor extension, including terrace and associated balustrading; alterations and works to front vaults; new and replacement of doors and openings; and all associated works.

  10 Mar 2026 Householder
• 26/0434/HD Granted

  15 VANBRUGH FIELDS, BLACKHEATH, LONDON, SE3 7TZ

  Construction of a single storey rear extension with dual pitched roof and installation of a skylight. Replacement of first floor side window with associated works.

  11 Feb 2026 Householder
• 26/2228/HD Withdrawn

  70A SIDCUP ROAD, LONDON, SE12 8BW

  Retrospective Planning application - Outbuilding 4.7x2.6m with the maximal height not exceeding 2.45m

  22 Jul 2026 Householder
• 26/1187/HD Granted

  13 REYNOLDS PLACE, BLACKHEATH, LONDON, SE3 8SX

  Replacement of roof tiles and associated works.

  16 Apr 2026 Householder