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.

• 110 Asylum Road London Southwark SE15 2LW

  22/AP/2421 Submitted 6 Jul 2022 30m away

  Construction of ground and first floor rear extensions.

  Granted Full applications Extension 13 docs

• 37 Kings Grove London Southwark SE15 2LY

  22/AP/1219 Submitted 4 Apr 2022 47m 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 68m 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 93m away

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

  Granted Full applications 20 docs

• 16 Montpelier Road London Southwark SE15 2HF

  25/AP/2896 Submitted 7 Oct 2025 99m away

  95% historically approved · decision due ~17 Dec

  Construction of a rear dormer extension and enlargement of the existing rear addition to full width and the addition of two roof lights to the front roof slope.

  Awaiting decision Householder Extension Loft or dormer 19 docs
  Domestic

• 33 Montpelier Road London Southwark SE15 2HB

  22/AP/3451 Submitted 4 Oct 2022 116m away

  Certificate of lawfulness (proposed): Loft conversion with main dormer, facade alterations and rooflights insertion.

  Granted Lawful development Loft or dormer 18 docs

• 26/AP/1316 Granted

  Seavington House Champion Hill London Southwark SE5 8DN

  Certificate of lawfulness (proposed) to confirm excavation works carried out on the site in the form of trial pits constitute a material operation under the Town and Country Planning Act 1990 and therefore represent lawful commencement of the approved planning permission 22/AP/0174.

  7 May 2026 Lawful development
• 26/AP/1420 Granted

  40 Strathnairn Street London Southwark SE1 5BL

  Certificate of lawfulness (proposed) for construction of a ground floor rear extension and a rear dormer.

  18 May 2026 Lawful development
• 26/AP/1618 Granted

  252 Barry Road London Southwark SE22 0JS

  Certificate of lawful development (proposed) for the construction of a rear dormer extension.

  5 Jun 2026 Lawful development
• 26/AP/1577 Granted

  Residence Inn By Marriott London Bridge 201-211 Long Lane London SE1 4PN

  Certificate of lawfulness (proposed) for undertaking of facade remedial works to remove combustible cladding materials and replace with a like-for-like non-combustible cladding with no change to the outer aesthetics of the building.

  2 Jun 2026 Lawful development
• 26/AP/1509 Withdrawn

  Railway Arch 101 Rockingham Street London Southwark SE1 6PD

  Certificate of lawfulness (proposed) for confirmation of implementation of planning permission 22/AP/3065: Change of use of the railway arch at 101 Rockingham Street from Use Class B8 (Storage/Distribution) to Use Classes E (Commercial, Business and Service) and F2 (Local Community) and a new glazed facade to the exterior including 2x extractor fans.

  27 May 2026 Lawful development