Retail Unit 4 Castle Court London EC3V 9DL

1. 5 Aug 2025

   Received by City of London

2. 13 Oct 2025

   Decision issued: Grant Certificate of Lawful Development

3. 24 Jul 2026

   Added to PlanIndex

City of London granted permission on 13 October 2025, 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.

A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.

• Offices 4 - 5 Castle Court London EC3V 9DL

  25/01571/LBC Submitted 11 Nov 2025 50 yards away

  Refurbishment and redecoration of existing shopfront and internal alterations at ground floor level.

  Granted Heritage and listed buildings Windows or glazing 7 docs

• Simpsons Tavern 38 And A Half Cornhill London EC3V 9DR

  26/00714/LDC Submitted 15 May 2026 50 yards away

  Submission of details of replacement glazing, repairs to bow window and lighting pursuant to condition 4 of Listed Building Consent 25/01273/LBC (dated 13.03.2026).

  Granted Lawful development Windows or glazing 4 docs

• Simpsons Tavern 38 And A Half Cornhill London EC3V 9DR

  26/01177/LBC Submitted 17 Aug 2026 50 yards away

  100% historically approved · decision due ~19 Nov

  Internal and external works comprising: (i) removal of the existing external condensers and their replacement with new condensers on the flat roof at second-floor level; (ii) installation of refrigerant pipes via the existing service routes to enter the building; (iii) installation of a louvred acoustic enclosure around the condensers; (iv) replacement of the whole-building heating system from gas to electric, with the retention of all historic heating fixtures and fittings; and (v) introduction of two new penetrations through the roof of the fifth-floor plant room to accommodate kitchen supply and extract, connecting to the existing risers via new acoustic attenuators and fan units.

  Awaiting decision Heritage and listed buildings 21 docs

• Simpsons Tavern 38 And A Half Cornhill London EC3V 9DR

  25/01273/LBC Submitted 16 Sep 2025 50 yards away

  Internal and external alterations including (i) replacement HVAC units to first floor roof (ii) replacement retractable awning at ground floor to Ball Court (east) elevation (iii) internal layout changes to basement, ground, first and second floor level including insertion of new commercial kitchen, dumbwaiter and servery areas and reconfiguration of seating (iv) repair works (v) mechanical and electrical upgrades throughout, and (vi) associated works.

  Granted Heritage and listed buildings 13 docs

• Simpsons Tavern 38 And A Half Cornhill London EC3V 9DR

  26/00714/MDC Submitted 15 May 2026 50 yards away

  Submission of details of replacement glazing, repairs to bow window and lighting pursuant to condition 4 of Listed Building Consent 25/01273/LBC (dated 13.03.2026).

  Granted Heritage and listed buildings Windows or glazing 4 docs

• Simpsons Tavern 38 And A Half Cornhill London EC3V 9DR

  26/00399/FULL Submitted 19 Mar 2026 50 yards away

  99% historically approved · decision due ~14 May

  Works comprising: (i) removal of existing condensers. (ii) installation of eight replacement external condensers, six with the same footprint and two units vertically stacked. (iii) installation of acoustic enclosure around condenser units, and (iv) installation of two external ducts at Level 5.

  Awaiting decision Full applications 28 docs
  Several homes

• 26/01295/CLEUD Granted

  Boundary House 7 - 17 Jewry Street London EC3N 2EX

  Application for Lawful Development Certificate (Existing) seeking confirmation that demolition works undertaken constitute implementation of planning permission 21/00826/FULMAJ dated 21 December 2023.

  Received 17 Sep, published by the council 24 Sep 2026 Lawful development
• 26/01557/LDC Awaiting decision

  Central Criminal Court Old Bailey London EC4M 7EH

  Submission of details of the sanitaryware and samples of exposed pipework and associated fixings pursuant to condition 2 of planning permission 26/00935/LBC dated 24.08.2026.

  Received 30 Oct, published by the council 6 Nov 2026 Lawful development
• 26/01530/LDC Awaiting decision

  Library Barbican Arts And Conference Centre Silk Street London EC2Y 8DS

  Submission of Method Statement pursuant to condition 5 of planning permission 25/01774/LBC dated 18.08.2026.

  Received 27 Oct, published by the council 6 Nov 2026 Lawful development
• 26/01527/LDC Awaiting decision

  Library Barbican Arts And Conference Centre Silk Street London EC2Y 8DS

  Submission of Method Statement for the Protection of Historic Fabric During Works pursuant to condition 4 of planning permission 25/01774/LBC dated 18.08.2026.

  Received 27 Oct, published by the council 6 Nov 2026 Lawful development
• 26/01528/LDC Awaiting decision

  Library Barbican Arts And Conference Centre Silk Street London EC2Y 8DS

  Submission of Method Statement pursuant to condition 7 of planning permission 25/01774/LBC dated 18.08.2026.

  Received 27 Oct, published by the council 6 Nov 2026 Lawful development