1 John Horner Mews, London, N1 8PB

This site has had 2 applications since 2025: 1 approved, 0 refused.

• P2025/3260/AOD Awaiting decision

  1 John Horner Mews, London, N1 8PB

  Approval of details pursuant to Condition 4 (green/brown biodiversity roofs) of planning permission ref. P2024/0007/FUL dated 09/10/2025 for 'Amendments to existing dwelling including increase roof pitch to provide an internal mezzanine floor for an additional two bedrooms, insertion of roof lights, windows, and a green roof, alterations to the southeast elevation facade and hard and soft landscaping to front.'

  Submitted 18 Nov 2025 Conditions

1. 18 Nov 2025

   Received by Islington

2. 27 Nov 2025

   Validated

   Checked as complete and ready for consideration.

3. 14 Jan 2026

   Decision issued: Approve with no conditions

4. 8 Aug 2026

   Added to PlanIndex

Islington granted permission on 14 January 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.

The published feed does not state which type of application this is; the register entry on Islington's portal will say. Our guide explains the common types.

• 23 Frome Street, London, N1 8PB

  P2026/0643/TRE Submitted 10 Mar 2026 0m away

  Rear garden: Silver Birch T1 (12M high, 400mm dia.) - Thin whole crown by up t

  Granted Trees

• 27 Frome Street, London, N1 8PB

  P2026/1228/FUL Submitted 20 May 2026 0m away

  Proposed mansard roof extension and proposed lower ground conservatory extension

  Granted Householder Extension Loft or dormer
  Small domestic

• 1 John Horner Mews, London, N1 8YD

  P2026/0042/AOD Submitted 7 Jan 2026 35m away

  98% historically approved · decision due ~4 Mar

  Approval of details pursuant to Condition 4 (refuse and recycling) of planning permission reference: P2023/2307/PRA dated: 20/10/2023 for 'Notification of Prior Approval for the change of use of vacant office space to provide one 2 bedroom dwellinghouse.'

  Awaiting decision Conditions 6 docs
  Domestic

• 1-28 & 37-64 Cluse Court, St Peter's Street, London, N1 8PE

  P2026/0718/FUL Submitted 16 Mar 2026 36m away

  Installation of areas of fully collapsible metal guarding at roof level

  Granted Full applications

• 28 Allingham Street, London, N1 8NY

  P2023/0586/FUL Submitted 28 Feb 2023 42m away

  Erection of a mansard roof extension with associated front-facing terrace area, erection of the rear ground floor extension with associated new outdoor terrace above & installation of a new metal staircase to the front lightwell.

  Granted Householder Extension Loft or dormer 17 docs
  Domestic

• 1 John Horner Mews, London, N1 8PB

  P2025/3260/AOD Submitted 18 Nov 2025 43m away

  98% historically approved · decision due ~13 Jan

  Approval of details pursuant to Condition 4 (green/brown biodiversity roofs) of planning permission ref. P2024/0007/FUL dated 09/10/2025 for 'Amendments to existing dwelling including increase roof pitch to provide an internal mezzanine floor for an additional two bedrooms, insertion of roof lights, windows, and a green roof, alterations to the southeast elevation facade and hard and soft landscaping to front.'

  Awaiting decision Conditions Loft or dormer Roofing +1 7 docs
  Domestic