20, Great Percy Street, London, WC1X 9QP

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

• P2026/1917/FUL Status unknown

  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
• P2026/1918/LBC Status unknown

  20, Great Percy Street, London, WC1X 9QP

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

  Submitted 17 Jul 2026 Heritage and listed buildings
• 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. 18 Jun 2026

   Received by Islington

2. 20 Jul 2026

   Validated

   Checked as complete and ready for consideration.

3. 24 Jul 2026

   Added to PlanIndex

4. 20 Aug 2026

   Decision issued: Approve with no conditions

Islington granted permission on 20 August 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.

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

  P2026/1918/LBC Submitted 17 Jul 2026 0m away

  92% historically approved · decision due ~17 Sep

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

  Status unknown Heritage and listed buildings Extension

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

  P2026/1917/FUL Submitted 23 Jul 2026 0m away

  86% historically approved · decision due ~17 Sep

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

  Status unknown Full applications Extension

• 20 Great Percy Street, London, WC1X 9QP

  P2025/2306/FUL Submitted 11 Aug 2025 0m 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 0m 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 40m 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 40m 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