Collingwood House, Mercers Road, London N19 4PJ

This site has had 2 applications since 2021: 2 approved, 0 refused.

• P2021/0587/FUL Granted

  Collingwood House, Mercers Road, London, N19 4PJ

  Retention of existing air conditioning units with base slab, all associated pipework within existing acoustic enclosures, and proposed installation of canopy over enclosures alongside the South West elevation of Collingwood House and new gates to the street frontage to Mercers Road

  Decided 2 Aug 2021 Full applications

1. 18 Mar 2026

   Received by Islington

2. 24 Mar 2026

   Validated

   Checked as complete and ready for consideration.

3. 13 May 2026

   Decision issued: Prior approval required - approved with Conditions

4. 25 Jul 2026

   Added to PlanIndex

Islington granted permission on 13 May 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.

Prior approval applies where permitted development rights already grant the principle of the work, leaving the council only the specific matters the rules name, commonly within 56 days. More in our guide to planning application types.

• 26 Mercers Road, London, N19 4PJ

  P2025/2524/FUL Submitted 9 Oct 2025 0m away

  Conversion of existing dwelling house into 2x self-contained flats with associat

  Withdrawn Full applications New dwelling
  Domestic

• 2B Mercers Road, London, N19 4PJ

  P2025/3009/FUL Submitted 18 Nov 2025 0m away

  Replacement of existing front and rear single glazed windows with double glazed

  Granted Full applications Windows or glazing

• 30, Mercers Road, London, N19 4PJ

  P2025/3240/TRE Submitted 19 Nov 2025 0m away

  Rear Garden: T1: Laurel: Approximately 5.00m: Reduce by up to 1.20m. Genera

  Granted Trees

• 30, Mercers Road, London, N19 4PJ

  P2025/3196/TRE Submitted 11 Nov 2025 0m away

  G1: T1 & T2: Mature Bays: Right Hand Boundary: Approximately 9.00m: Reduce crown

  Granted Trees

• 30, Mercers Road, London, N19 4PJ

  P2026/0515/TRE Submitted 25 Feb 2026 0m away

  Rear Garden: T1: Mature Laurel: Approximately 4.00m: Fell this plant: This l

  Granted Trees

• 19 Mercers Road, London

  P2025/1496/TRE Submitted 23 May 2025 47m away

  100% historically approved · decision due ~24 Jul

  T1- Sycamore Tree Crown reduction by 15% - 3m of top/ 1.5m of either side due to hanging branches

  Awaiting decision Trees 8 docs

• P2026/2373/PRA Awaiting decision

  Naver House, Upper Street, London, N1 1UT

  Notification of Prior Approval for the change of use of ground floor commercial

  Received 10 Sep, published by the council 11 Sep 2026 Prior approval
• P2026/2372/PRA Status unknown

  40 Trinder Road, London, N19 4QU

  Notification of Prior Approval (Householder) Erection of a single-storey rear e

  Received 9 Sep, published by the council 14 Sep 2026 Prior approval
• P2026/1703/PRA Granted

  167 Whitecross Street, London, EC1Y 8JT

  Proposed Change of Use from Use Class E to mixed use containing two flats (Use C

  Received 29 Jun, published by the council 24 Jul 2026 Prior approval
• P2026/1732/PRA Refused

  140 Seven Sisters Road, London, N7 7NS

  Prior Approval Application under Schedule 2, Part 20 Class AB of The Town and Co

  Received 30 Jun, published by the council 24 Jul 2026 Prior approval
• P2026/1733/PRA Refused

  140 Seven Sisters Road, London, N7 7NS

  Prior Approval Application under Schedule 2, Part 20 Class AB of The Town and C

  Received 30 Jun, published by the council 24 Jul 2026 Prior approval