20, Great Percy Street, London, WC1X 9QP

This site has had 5 applications since 2025: 3 approved, 0 refused.

• P2026/1917/FUL Awaiting decision

  20, Great Percy Street, London, WC1X 9QP

  Rear extension at ground floor rebuilt and extended, with rear lightwell infill

  Submitted 23 Jul 2026 Full applications
• P2026/1600/AOD Granted

  20, Great Percy Street, London, WC1X 9QP

  Approval of details pursuant to condition 4 ( plumbing and ventilation details)

  Decided 20 Aug 2026
• P2025/2306/FUL Granted

  20 Great Percy Street, London, WC1X 9QP

  Rear extension at ground floor rebuilt and extended, with rear lightwell infill

  Decided 13 Jan 2026 Householder
• P2025/2307/LBC Granted

  20 Great Percy Street, London, WC1X 9QP

  Rear extension at ground floor rebuilt and extended, with rear lightwell infill

  Decided 13 Jan 2026 Heritage and listed buildings

1. 17 Jul 2026

   Received by Islington

2. 23 Jul 2026

   Validated

   Checked as complete and ready for consideration.

3. 28 Jul 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 17 September 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 heritage and listed building applications in a median of 68 days. More in our guide to how long planning decisions take.

Listed building consent is needed for works that affect the special interest of a listed building, and carrying out such works without it is a criminal offence. More in our guide to planning application types.

• 20, Great Percy Street, London, WC1X 9QP

  P2026/1917/FUL Submitted 23 Jul 2026 50 yards away

  87% historically approved · decision due ~17 Sep

  Rear extension at ground floor rebuilt and extended, with rear lightwell infill

  Awaiting decision Full applications Extension

• 20, Great Percy Street, London, WC1X 9QP

  P2026/1600/AOD Submitted 18 Jun 2026 50 yards away

  Approval of details pursuant to condition 4 ( plumbing and ventilation details)

  Granted

• 20 Great Percy Street, London, WC1X 9QP

  P2025/2306/FUL Submitted 11 Aug 2025 50 yards away

  Rear extension at ground floor rebuilt and extended, with rear lightwell infill

  Granted Householder Extension
  Domestic

• 20 Great Percy Street, London, WC1X 9QP

  P2025/2307/LBC Submitted 11 Aug 2025 50 yards away

  Rear extension at ground floor rebuilt and extended, with rear lightwell infill

  Granted Heritage and listed buildings Extension

• 5 Cumberland Gardens London, WC1X 9AF

  P2025/3676/FUL Submitted 23 Dec 2025 50 yards away

  Replacement of existing timber windows and doors with double-glazed timber windows/doors.

  Granted Householder Windows or glazing 10 docs
  Domestic

• 5 Cumberland Gardens, London, WC1X 9AF

  P2021/1018/FUL Submitted 1 Apr 2021 50 yards away

  Repairs to the roof of the house including renewing the existing felt with a new, breathable felt; replacing existing slates with Spanish natural slates; renewing lead flashings; renewing the lead box gutter; replacing the rotten sections of the window frame of the dormer window with like for like matching wooden frame; removing and renewing areas of damaged cement work on parapet walls (Listed building consent also submitted ref. P2021/1077/LBC)

  Granted Householder Loft or dormer Windows or glazing 16 docs
  Domestic

• P2026/2302/LBC Granted

  32, 34, 36 & 38, Amwell Street, London, EC1R 1XT

  Replacement of internal flat entrance doors, architraves and fanlights, install

  Received 1 Sep, published by the council 7 Sep 2026 Heritage and listed buildings
• P2026/2220/LBC Granted

  34, SUDELEY STREET, LONDON, ISLINGTON, N1 8HW

  Retrospective Listed Building Consent application for reroofing the front 'butt

  Received 17 Aug, published by the council 24 Aug 2026 Heritage and listed buildings
• P2026/2272/LBC Granted

  355 St John Street, London, EC1V 4LB

  Replacement of internal flat entrance doors, architraves and fanlights, install

  Received 27 Aug, published by the council 7 Sep 2026 Heritage and listed buildings
• P2026/2309/LBC Granted

  27 Barnsbury Park, London, N1 1HQ

  Replacement of internal flat entrance doors, architraves and fanlights, install

  Received 2 Sep, published by the council 7 Sep 2026 Heritage and listed buildings
• P2026/2597/LBC Awaiting decision

  28, Gerrard Road, London, N1 8BA

  The replacement of fittings and reorganisation of first floor bathroom, the adj

  Received 1 Oct, published by the council 5 Oct 2026 Heritage and listed buildings