40 Kings Grove London Southwark SE15 2NB

1. 23 Jan 2026

   Received by Southwark

2. 26 Jan 2026

   Validated

   Checked as complete and ready for consideration.

3. 11 May 2026

   Decision issued: Certificate of Lawfulness PROP- REFUSED

4. 10 Aug 2026

   Added to PlanIndex

Southwark refused this application for the reasons on the decision notice; only the applicant can appeal, and refused schemes often return in revised form. 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.

• 108 Asylum Road London Southwark

  21/AP/4662 Submitted 20 Dec 2021 50 yards away

  Construction of single storey rear extension to ground floor flat (Flat 1) and external alterations involving replacement of windows/doors to the rear elevation at ground floor level (Flat 2).

  Granted Full applications Extension Windows or glazing 21 docs
  Small domestic

• 110 Asylum Road London Southwark SE15 2LW

  22/AP/2421 Submitted 6 Jul 2022 50 yards away

  Construction of ground and first floor rear extensions.

  Granted Full applications Extension 13 docs

• 110 Asylum Road London Southwark

  21/AP/3514 Submitted 6 Oct 2021 50 yards away

  Demolition of existing rear extensions and the construction of a three storey rear extension with roof terraces to create two additional flats. (6 in total).

  Refused Full applications New dwelling Extension +1 24 docs

• 37 Kings Grove London Southwark SE15 2LY

  22/AP/1219 Submitted 4 Apr 2022 50 yards away

  Construction of mansard roof extension (with 1No. roof light, 2No. front elevation windows, 2No. rear elevation windows).

  Granted Full applications Extension Loft or dormer +1 19 docs

• 63 Kings Grove London Southwark SE15 2NA

  24/AP/0473 Submitted 20 Feb 2024 50 yards away

  Certificate of Lawfulness (proposed) for construction of a single story rear extension.

  Refused Lawful development Extension 14 docs

• 75B Kings Grove London Southwark SE15 2NA

  22/AP/1870 Submitted 30 May 2022 100 yards away

  Installation of rear balcony/roof terrace over the lower ground floor flat roof

  Granted Full applications 20 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