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 52 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 96 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 20m 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

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

  P2026/0133/TRE Submitted 21 Jan 2026 32m 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 35m 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 35m 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 35m away

  Proposed mansard roof extension and proposed lower ground conservatory extension

  Granted Householder Extension Loft or dormer
  Small domestic

• 17 Allingham Street, London, N1 8NX

  P2026/1611/FUL Submitted 19 Jun 2026 50m away

  Erection of a single-storey rear infill extension at lower ground level, a part-

  Granted Householder Extension
  Small domestic

• P2026/0704/AOD Granted

  York Way Estate, North Road, London, N7 9PX

  Approval of details pursuant to condition 27 (signage details) of planning consent ref: P2021/0969/FUL dated 27/07/2021.

  13 Mar 2026 Conditions
• P2026/1159/AOD Granted

  Arbuthnot House, 7-21 Wilson Street, London EC2M 2SN

  Partial approval of details pursuant to condition 3 (Materials) Parts A to I excluding Part B of planning permission ref. P2024/3548/FUL dated 02/06/2025.

  1 May 2026 Conditions
• P2026/1084/AOD Granted

  FLAT A 29 CLAREMONT SQUARE LONDON N1 9LX

  Approval of details pursuant to condition 3 of listed building consent ref P2025/3255/LBC dated 19/03/2026.

  23 Apr 2026 Conditions
• P2026/0837/AOD Granted

  74 - 76 St John Street, London, EC1M 4DT

  Approval of details pursuant to Condition 4 (Construction Management Plan) of Planning Permission P2023/1928/FUL, dated 01/11/2023, 'Change of use of the basement, lower ground floor and part of the ground floor from Use Class B8 (storage) and car park to Class E (limited to office or showroom use), front extension from ground to seventh floor, rear extension at second floor level, replacement front and rear facade, roof plant machinery with associated enclosure and the use of the rooftop for amenity space'.

  27 Mar 2026 Conditions
• P2026/1117/AOD Granted

  4 Brandon Road, London, N7 9AA

  Approval of details pursuant to condition 24 (landscaping) of planning consent reference P2023/1719/FUL dated 18 April 2024

  28 Apr 2026 Conditions