23 Lyndhurst Grove London Southwark SE15 5AN

This site has had 3 applications since 2022: 2 approved, 0 refused.

• 22/AP/2328 Granted

  23 Lyndhurst Grove London Southwark SE15 5AN

  Certificate of lawfulness (proposed) for construction of a L-shaped rear dormer extension with juliet balcony and the addition of two roof lights to the front roof slope.

  Decided 3 Aug 2022 Lawful development
• 22/AP/2327 Granted

  23 Lyndhurst Grove London Southwark SE15 5AN

  Construction of a ground floor side return extension, with alterations to two first floor windows in the side elevation.

  Decided 24 Aug 2022 Householder

1. 23 Oct 2026

   Received by Southwark

2. 4 Nov 2026

   Validated

   Checked as complete and ready for consideration.

3. 4 Nov 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 30 December 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

   Southwark took a median of 52 days over the applications it decided in the last year.

This application is with Southwark for determination, against a statutory target of eight weeks. Over the last year Southwark's median decision took 52 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 Southwark's portal will say. Our guide explains the common types.

• 31 Lyndhurst Grove London Southwark SE15 5AN

  20/AP/1385 Submitted 18 May 2020 50 yards away

  The construction of an outrigger roof extension and a single storey side-infill extension; the addition of a Juliet balcony to the existing rear dormer; and the replacement of the existing ground-floor rear door and window with heritage aluminium framed doors (revised description).

  Granted Householder Extension Loft or dormer +1 17 docs
  Small domestic

• 1 Ainsworth Close London Southwark SE15 5AX

  25/AP/2551 Submitted 5 Sep 2025 50 yards away

  95% historically approved · decision due ~6 Nov

  Replacement of the existing single-glazed timber windows and doors at the front and rear for double-glazed uPVC windows, uPVC door at the rear and composite door at the front.

  Awaiting decision Householder Windows or glazing 8 docs
  Domestic

• 12 Gairloch Road London Southwark SE5 8NG

  22/AP/2742 Submitted 2 Aug 2022 50 yards away

  Ground floor side extension to the rear and L-shaped rear dormer roof extension (over main roof and outrigger with 1No. rooflight to main dormer flat roof) and 100mm ridge raise.

  Granted Householder Extension Loft or dormer 26 docs
  Domestic

• 4 Ainsworth Close London Southwark SE15 5AX

  25/AP/3554 Submitted 5 Dec 2025 50 yards away

  Replacement of the existing single-glazed timber windows and doors at the front and rear with double-glazed uPVC windows, uPVC door at the rear and composite door at the front.

  Granted Householder Windows or glazing 11 docs
  Domestic

• 8 Ainsworth Close London Southwark SE15 5AX

  22/AP/1317 Submitted 11 Apr 2022 50 yards away

  Construction of a rear dormer roof extension with a new roof light to the front

  Granted Lawful development Extension Loft or dormer +1 7 docs

• 23 Lyndhurst Grove London Southwark SE15 5AN

  22/AP/2328 Submitted 30 Jun 2022 50 yards away

  Certificate of lawfulness (proposed) for construction of a L-shaped rear dormer extension with juliet balcony and the addition of two roof lights to the front roof slope.

  Granted Lawful development Extension Loft or dormer 25 docs