1 John Horner Mews, London, N1 8YD

1. 7 Jan 2026

   Received by Islington

2. 25 Jul 2026

   Added to PlanIndex

3. 7 Sep 2026

   Status changed to FIRST STAGE REVIEW

4. Decision

   Awaiting decision

   Decision expected by 4 March 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

   Islington took a median of 53 days over the applications it decided in the last year.

This application is with Islington for determination, against a statutory target of eight weeks. Over the last year Islington decided condition discharge and variation applications in a median of 114 days. More in our guide to how long planning decisions take.

This application deals with conditions on an existing permission, supplying the details a condition requires or asking to vary or remove one, without reopening the permission itself. More in our guide to planning application types.

• 1 John Horner Mews, London, N1 8PB

  P2025/3260/AOD Submitted 18 Nov 2025 50 yards away

  97% 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.'

  Decided Conditions Loft or dormer Roofing +1 7 docs
  Domestic

• 77 St Peter's Street, London, N1 8JR

  P2026/0133/TRE Submitted 21 Jan 2026 50 yards away

  1 x Bay - Remove stem overhanging neighbouring garden back to trunk

  Granted Trees

• 23 Frome Street, London, N1 8PB

  P2026/0643/TRE Submitted 10 Mar 2026 50 yards away

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

  Granted Trees

• 1 John Horner Mews, London, N1 8PB

  P2025/3259/AOD Submitted 18 Nov 2025 50 yards away

  Approval of details pursuant to Condition 3 (materials) of planning permission r

  Granted

• 27 Frome Street, London, N1 8PB

  P2026/1228/FUL Submitted 20 May 2026 50 yards away

  Proposed mansard roof extension and proposed lower ground conservatory extension

  Granted Householder Extension Loft or dormer
  Small domestic

• 31, Allingham Street, London, N1 8NX

  P2026/1116/TRE Submitted 1 May 2026 50 yards away

  Removal of one low hanging branch approx 1 inch in diameter. Tree species: sil

  Granted Trees

• P2026/2613/AOD Awaiting decision

  81, TURLEWRAY CLOSE, LONDON, ISLINGTON, N4 3LR

  Approval of details pursuant to condition 8 (WATER EFFICIENCY REQUIREMENTS (DETAILS), 9 RENEWABLE ENERGY (DETAILS) and 11 (SECURE BE DESIGN (DETAILS) of planning permission ref. P2021/2385/FUL dated 13 December 2022 (Erection of a two-bed dwellinghouse located to the rear garden including associated demolition of existing front garage, landscaping works, new 2m boundary fencing, construction of cycle storage, refuse/recycling storage and mobility scooter storage).

  Received 5 Oct, published by the council 11 Oct 2026 Conditions
• P2026/1401/AOD Granted

  33 - 37 Corsica Street, London, N5 1JT

  Approval of details pursuant to condition 18 (Landscaping) of planning permission ref. P2023/3394/FUL dated 20/11/2025. (Demolition of the existing dwellinghouse and erection of a replacement two-storey (plus basement) dwellinghouse with rooftop PV panels and Air Source Heat Pumps and associated boundary treatment and landscaping works.)

  Received 1 Jun, published by the council 25 Jul 2026 Conditions
• P2026/2581/AOD Awaiting decision

  London Metropolitan University, Rear Of 67-81, 81A Benwell Road, London, N7 7BW

  Approval of details pursuant to condition 8 (Wayfinding and Signposting) of planning permission reference: P2024/1873/FUL dated 20/11/2024

  Received 30 Sep, published by the council 11 Oct 2026 Conditions
• P2026/2099/AOD Granted

  26, Museum of the Order of Saint John, St John's Lane, London, EC1M 4DA

  Approval of details pursuant to condition 3 of planning consent reference P2024/3514/LBC dated 11/04/2025

  Received 5 Aug, published by the council 19 Sep 2026 Conditions
• P2026/1574/AOD Granted

  427 Caledonian Road, London, N7 9BG

  Approval of Details pursuant to condition 8 (Plant Noise Details) of planning permission ref. P2025/0313/FUL dated 25/09/2025 (as varied by planning permission ref. P2025/3450/S73 dated 21/05/2026). ‘Demolition of existing mansard roof extension and replacement with a part 4th and 5th floor roof extension to provide additional hotel accommodation and refurbishment and reconfiguration of an existing hotel and public house (Sui Generis).’

  Received 16 Jun, published by the council 24 Jul 2026 Conditions