7 Trossachs Road London Southwark SE22 8PY

1. 18 Feb 2026

   Received by Southwark

2. 24 Feb 2026

   Validated

   Checked as complete and ready for consideration.

3. 24 Apr 2026

   Decision issued: Certificate of Lawfulness Prop- GRANTED

4. 10 Aug 2026

   Added to PlanIndex

Southwark granted permission on 24 April 2026, 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.

A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.

• First Floor And Second Floor Flat 10 Tarbert Road London Southwark SE22 8QB

  25/AP/3298 Submitted 11 Nov 2025 50 yards away

  90% historically approved · decision due ~7 Jan

  Rear dormer with roolights on front slope plus a roof terrace over part of rear addition roof

  Awaiting decision Full applications Loft or dormer 17 docs

• 18 Glengarry Road London Southwark SE22 8PZ

  23/AP/2027 Submitted 20 Jul 2023 50 yards away

  Demolition of existing derelict single storey rear additions and the erection of a single storey rear extension with 2 rooflights and the installation of 3 new rooflights on the main roof

  Granted Lawful development Extension Loft or dormer +1 29 docs
  Small domestic

• 12A Trossachs Road London Southwark SE22 8PY

  21/AP/1787 Submitted 24 May 2021 50 yards away

  Non material amendments to planning application 21/AP/0707 dated 28/04/2021 for demolition of existing rear conservatory and construction of single storey rear extension to change the window on west elevation of approved extension

  Decided Conditions Extension Demolition +1 7 docs
  Small domestic

• 14 Trossachs Road London Southwark SE22 8PY

  26/AP/0566 Submitted 25 Feb 2026 50 yards away

  Demolition of existing rear extension and construction of a new single storey rear extension

  Granted Householder Extension Demolition 15 docs
  Small domestic

• 24A Tarbert Road London Southwark SE22 8QB

  26/AP/1910 Submitted 2 Jul 2026 100 yards away

  Proposed ground floor side and rear extension with a lightwell

  Granted Extension 17 docs

• Flats A-D 105 East Dulwich Grove London Southwark SE22 8PU

  25/AP/3424 Submitted 24 Nov 2025 100 yards away

  Details of condition 3 (Construction Environmental Management Plan) pursuant to planning permission 25/AP/0185 granted on 27.08.2025 for: (Construction of rear extensions to the ground floor, first floor and second floor(loft) including private amenity roof terraces and hip to gable roof extension incorporating a front dormer)

  Withdrawn Conditions Extension Loft or dormer 9 docs

• 26/AP/2574 Awaiting decision

  23 Alberta Street London Southwark SE17 3SF

  Certificate of lawfulness (proposed) for construction of a rear dormer and the installation of 1x rooflight to the front roofslope.

  Received 1 Sep, published by the council 8 Sep 2026 Lawful development
• 26/AP/2509 Awaiting decision

  Newington Gardens Harper Road London Southwark SE1

  Certificate of Lawfulness (proposed) for improvement works to the playground at Newington Gardens to include the removal of current playground equipment and installation of new accessible equipment.

  Received 21 Aug, published by the council 7 Sep 2026 Lawful development
• 26/AP/1673 Granted

  Flat 67 Benbow House 24 New Globe Walk London Southwark SE1 9DS

  Certificate of Lawful Development to replace existing external doors with new thermally improved doors

  Received 11 Jun, published by the council 25 Jul 2026 Lawful development
• 26/AP/1909 Granted

  6 Ethnard Road London Southwark SE15 1RU

  Certificate of lawfulness (proposed) for a loft conversion with rear dormer

  Received 30 Jun, published by the council 25 Jul 2026 Lawful development
• 26/AP/2486 Awaiting decision

  84 Croxted Road London Southwark SE21 8NP

  Certificate of lawfulness (proposed) for the formation of a moveable structure (as defined under the Caravan Site Act) that can be separated into 2 sections and removed from the rear garden by crane. Refer to the following drawings: 318 SP 00 (PD) 318 SP 01 (PD) 318 SP 101 (PD) 318 GS 01 (PD) 318 GS 02 (PD)

  Received 19 Aug, published by the council 20 Aug 2026 Lawful development