Basement Level, 5 Lonsdale Square, London, N1 1EN

This site has had 2 applications since 2026: 0 approved, 2 refused.

• P2026/0324/LBC Refused

  Basement Level, 5 Lonsdale Square, London, N1 1EN

  Partial opening up of the rear elevation, partial opening of the existing chimney breasts and the opening of an existing wall and associated alterations (Full planning application also submitted ref: P2026/0325/FUL).

  Decided 26 Aug 2026 Heritage and listed buildings

1. 9 Feb 2026

   Received by Islington

2. 24 Feb 2026

   Validated

   Checked as complete and ready for consideration.

3. 25 Jul 2026

   Added to PlanIndex

4. 26 Aug 2026

   Decision issued: Refusal of permission

• P2026/0324/LBC Refused

  Basement Level, 5 Lonsdale Square, London, N1 1EN

  Partial opening up of the rear elevation, partial opening of the existing chimney breasts and the opening of an existing wall and associated alterations (Full planning application also submitted ref: P2026/0325/FUL).

  Decided 26 Aug 2026 Heritage and listed buildings

1 later application on the register refers to this one:

• P2026/0324/LBC Refused

  Basement Level, 5 Lonsdale Square, London, N1 1EN

  Partial opening up of the rear elevation, partial opening of the existing chimney breasts and the opening of an existing wall and associated alterations (Full planning application also submitted ref: P2026/0325/FUL).

  Decided 26 Aug 2026 Heritage and listed buildings

Islington 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 full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.

• Basement Level, 5 Lonsdale Square, London, N1 1EN

  P2026/0324/LBC Submitted 9 Feb 2026 50 yards away

  Partial opening up of the rear elevation, partial opening of the existing chimney breasts and the opening of an existing wall and associated alterations (Full planning application also submitted ref: P2026/0325/FUL).

  Refused Heritage and listed buildings 8 docs

• 3 Lonsdale Square, London, N1 1EN

  P2025/1876/TRE Submitted 1 Jul 2025 50 yards away

  100% historically approved · decision due ~13 Oct

  T1 - Diseased/ dying birch tree (12m) - take down to ground level This is a five day notice to remove a diseased/dying tree.

  Awaiting decision Trees 5 docs

• 3 Lonsdale Square, London, N1 1EN

  P2023/0198/LBC Submitted 19 Jan 2023 50 yards away

  Internal alterations and refurbishment to upgrade bathrooms and kitchens and installation of new floor finishes and fitted joinery.

  Granted Heritage and listed buildings 27 docs

• Flat A, 115 Richmond Avenue, London, N1 0LR

  P2019/3451/TRE Submitted 13 Nov 2019 50 yards away

  Rear garden Robinia pseudoacacia - Reduce canopy width by 20% (up to 3 metres) and reduce the overhang to other gardens. Remove low hanging/larger branches that are hanging directly into neighbouring gardens and over neighouring trees.

  Granted Trees 2 docs

• 11 Lonsdale Square, London, N1 1EN

  P2021/1626/FUL Submitted 4 Jun 2021 50 yards away

  Installation of metal safeguarding railings and gate are the rear of property. (Listed building consent also submitted ref:P2021/1646)

  Granted Householder 11 docs
  Domestic

• 11 Lonsdale Square, London, N1 1EN

  P2021/1646/LBC Submitted 4 Jun 2021 50 yards away

  Installation of metal safeguarding railings and gate are the rear of property. [Full plan application ref: P2021/1626 also submitted].

  Granted Heritage and listed buildings 3 docs

• P2026/2400/FUL Awaiting decision

  196 City Cloisters, Old Street, London, EC1V 9FR

  Installation of two dry riser inlets at ground floor level, to the Old Street el

  Received 11 Sep, published by the council 15 Sep 2026 Full applications
• P2026/2394/FUL Awaiting decision

  25a, Prah Road, London, N4 2RB

  Alterations to the garden only of 25A Prah Road; including: removal of existing

  Received 11 Sep, published by the council 15 Sep 2026 Full applications
• P2026/0733/FUL Granted

  Watersview Estate, London, N1 7RN

  Replacement of the existing windows and doors with new PVCu windows and a mix of PVCu and composite doors. Replacement of window panels to all elevations with new composite panels to Watersview Estate (for Grand Junction Wharf, Pickfords Wharf, and Wharf Road).

  Received 17 Mar, published by the council 25 Jul 2026 Full applications
• P2026/2345/FUL Awaiting decision

  Flat 1, 19 Dunford Road, London, N7 6EP

  Application for a Garden Room (retrospective)

  11 Sep 2026 Full applications
• P2026/2385/FUL Awaiting decision

  34 Cloudesley Place, London, N1 0HZ

  Replacement of roof coverings, gutter linings and flashings [Listed Building Con

  Received 10 Sep, published by the council 15 Sep 2026 Full applications