25 Lonsdale Square, London, N1 1EW

This site has had 3 applications since 2025: 3 approved, 0 refused.

• P2026/1427/AOD Granted

  25, Lonsdale Square, London, N1 1EW

  Approval of details pursuant to condition 4&5 of planning consent reference P202

  Decided 17 Aug 2026
• P2025/2914/LBC Granted

  25 Lonsdale Square, London, N1 1EW

  Lower ground floor damp works to perimeter. Lower ground floor internal layout,

  Decided 16 Apr 2026 Heritage and listed buildings

1. 27 Oct 2025

   Received by Islington

2. 30 Oct 2025

   Validated

   Checked as complete and ready for consideration.

3. 16 Apr 2026

   Decision issued: Approve with conditions

4. 8 Aug 2026

   Added to PlanIndex

Islington granted permission on 16 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.

Householder applications cover work to an existing house and its garden, such as extensions, lofts and outbuildings, and cannot create a separate dwelling or change what the building is used for. More in our guide to planning application types.

• 38 Lonsdale Square, London, N1 1EW

  P2026/1763/LBC Submitted 3 Jul 2026 0m away

  92% historically approved · decision due ~17 Sep

  Proposed refurbishment and repairs to the existing bridge from the pavement to

  Status unknown Heritage and listed buildings

• 30, Lonsdale Square, London, N1 1EW

  P2026/1676/LBC Submitted 25 Jun 2026 0m away

  Internal alterations including refurbishment of the third-floor bathroom and ba

  Granted Heritage and listed buildings

• 36, Lonsdale Square, London, N1 1EW

  P2025/2859/FUL Submitted 9 Oct 2025 0m away

  Renewal and upgrade of roof insulation and boiler. Installation of air condition

  Withdrawn Householder
  Domestic

• 36, Lonsdale Square, London, N1 1EW

  P2025/2860/LBC Submitted 9 Oct 2025 0m away

  Renewal and upgrade of roof insulation and boiler. Installation of air condition

  Withdrawn Heritage and listed buildings

• 27 Londsale Square, London, N1 1EW

  P2025/2867/LBC Submitted 9 Oct 2025 0m away

  Replacement of internal flat entrance doors, architraves and fanlights, install

  Granted Heritage and listed buildings

• 25, Lonsdale Square, London, N1 1EW

  P2026/1427/AOD Submitted 3 Jun 2026 0m away

  Approval of details pursuant to condition 4&5 of planning consent reference P202

  Granted

• P2026/2323/FUL Status unknown

  146 St John Street, London, EC1V 4UA

  Alteration, extension and conversion of existing mixed-use buildings (office and

  7 Sep 2026 Householder
• P2026/1890/FUL Granted

  17 Belitha Villas, London, N1 1PE

  External lighting to front elevation, bin store and garden sauna to rear garden.

  21 Jul 2026 Householder
• P2026/2288/FUL Status unknown

  34 Sudeley Street, London, N1 8HW

  Retrospective application for reroofing the hidden front 'butterfly roof and rea

  4 Sep 2026 Householder
• P2026/1899/FUL Granted

  8 Sidney Grove, London, EC1V 7LP

  Proposed infilling of front first floor and second floor terrace areas and inser

  24 Jul 2026 Householder
• P2026/1627/FUL Granted

  5 Cumberland Gardens, London, WC1X 9AF

  Installation of stone paving to front steps, installation of ASHP in garden and

  22 Jun 2026 Householder