11 Ullswater Road London SE27 0AL

1. 6 Jan 2026

   Received by Lambeth

2. 4 Mar 2026

   Decision issued: Refuse Permission

3. 10 Aug 2026

   Added to PlanIndex

Lambeth 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.

• 32 York Hill London SE27 0AD

  25/03725/FUL Submitted 1 Dec 2025 50 yards away

  Erection of a single storey ground floor rear extension, together with a external timber store.

  Granted Full applications Extension 6 docs
  Small domestic

• 50 York Hill London Lambeth SE27 0AD

  22/04106/LDCP Submitted 17 Nov 2022 50 yards away

  Application for Certificate of Lawfulness (Proposed) with respect to the conversion of a garage to habitable space with replacement of garage door with casement window.

  Granted Lawful development Windows or glazing 8 docs

• 72 Harpenden Road London SE27 0AF

  24/00800/FUL Submitted 11 Mar 2024 100 yards away

  Change of use of the existing HMO (Use Class C4) to provide three self-contained flats (Use Class C3). Demolition of the existing rear extensions, together with the erection of a single storey ground floor rear extension. Installation of French doors at first floor level and new window at second floor. Installation of heat pumps to the ground floor rear. Provision of cycle & refuse storage to the front elevation. Installation of external wall insulation. Increasing the height to the existing boundary wall.

  Granted Full applications New dwelling Extension +2 14 docs
  Small domestic

• 21 Harpenden Road London SE27 0AG

  26/02581/FUL Submitted 10 Aug 2026 100 yards away

  78% historically approved · decision due ~5 Oct

  Erection of a ground floor side and rear extension and removal of a window with the addition of a door to the rear.

  Decided Full applications Extension Windows or glazing 8 docs

• 56 Harpenden Road London SE27 0AF

  25/03136/FUL Submitted 6 Oct 2025 100 yards away

  Change of use to 4 self contained residential units (Use Class C3).

  Refused Full applications 26 docs

• 280 Norwood Road London SE27 9AJ

  20/01440/FUL Submitted 27 Apr 2020 100 yards away

  Change of use of the ground floor from shop (Use Class A1) to Restaurant (Use Class A3)

  Granted Full applications 11 docs

• 26/02481/LDCP Awaiting decision

  56 Englewood Road London Lambeth SW12 9NY

  Certificate of Lawfulness (Proposed) with respect to the installation of Air Source Heat Pump to rear garden.

  Received 28 Aug, published by the council 29 Sep 2026 Lawful development
• 26/01071/LDCP Withdrawn

  36 Elms Road London Lambeth SW4 9EX

  Certificate of Lawful Development (Proposed) with respect to the erection of side and rear 'box' roof extensions including a side roof light and removal of a chimney.

  Received 2 Apr, published by the council 25 Jul 2026 Lawful development
• 26/02276/LDCP Awaiting decision

  10 Leake Street London SE1 7NN

  Certificate of Lawful Development (Proposed) with respect to temporary infilling and smoothing of the existing ramp area at Elizabeth House to facilitate the demolition and construction works at 10 Leake Street authorised by the planning permission ref: 25/02199/FUL.

  Received 7 Aug, published by the council 15 Sep 2026 Lawful development
• 26/00455/LDCP Granted

  129 Hydethorpe Road London SW12 0JF

  Application for Certificate of Lawful Development (Proposed) with respect to the erection of a rear dormer roof extension and installation of new rooflights to the front roof slope.

  Received 12 Feb, published by the council 25 Jul 2026 Lawful development
• 26/01485/LDCP Granted

  88 Ballater Road London SW2 5QP

  Application for a Certificate of Lawful Development (Proposed) with respect to erection of a rear dormer roof extension and installation of 2 x rooflights to existing roof at front elevation and 1 x rooflight to existing rear outrigger roof

  Received 15 May, published by the council 25 Jul 2026 Lawful development