18 Blackwater Street London Southwark SE22 8RS

1. 22 Dec 2020

   Received by Southwark

2. 23 Dec 2020

   Validated

   Checked as complete and ready for consideration.

3. 12 Feb 2021

   Decision issued: Certificate of Lawfulness Prop- GRANTED

4. 4 Aug 2026

   Added to PlanIndex

Southwark granted permission on 12 February 2021, 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.

• 6 Blackwater Street London Southwark SE22 8RS

  22/AP/1432 Submitted 22 Apr 2022 50 yards away

  Single storey ground floor side infill extension with alterations to the rear fenestration.

  Granted Householder Extension Windows or glazing 8 docs
  Small domestic

• 9 Blackwater Street London Southwark SE22 8RS

  22/AP/0382 Submitted 9 Feb 2022 50 yards away

  Construction of a ground floor side infill extension.

  Granted Householder Extension 13 docs
  Domestic

• 9 Blackwater Street London Southwark SE22 8RS

  22/AP/0138 Submitted 18 Jan 2022 50 yards away

  Certificate of lawful development for (proposed) loft conversion with rear L-shaped dormer extension.

  Granted Lawful development Extension Loft or dormer 9 docs

• 5 Blackwater Street London Southwark SE22 8RS

  22/AP/1228 Submitted 4 Apr 2022 50 yards away

  Construction of a single storey rear extension.

  Granted Householder Extension 10 docs
  Small domestic

• 132 Lordship Lane London Southwark SE22 8HD

  22/AP/0018 Submitted 6 Jan 2022 50 yards away

  Minor amendement for planning permission 20/AP/0764 dated 6/05/2020 for construction of a mansard roof extension to create 1 x studio flat. The minor amendement is an additional window added to the front mansard roof on the third floor

  Decided Conditions Extension Loft or dormer +1 8 docs

• 140 Melbourne Grove London Southwark SE22 8SA

  26/AP/0027 Submitted 7 Jan 2026 50 yards away

  Wraparound extension

  Granted Householder Extension 15 docs
  Domestic

• 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/1759 Granted

  29 Dundas Road London Southwark SE15 2DR

  Certificate of Lawful Development (Proposed) for loft conversion with rear dormer, installation of roof lights to front roof slope, construction of a rear outbuilding, fenestration changes including new and replacement windows and installation of soil vent pipe.

  Received 17 Jun, published by the council 25 Jul 2026 Lawful development
• 26/AP/1942 Granted

  Peckham Rye Railway Station Station Way London Southwark SE15 4RX

  Certificate of lawfulness (existing) to confirm that planning permission 22/AP/1006 was lawfully implemented within the prescribed time period

  Received 3 Jul, published by the council 25 Jul 2026 Lawful development