55 King William Street London EC4R 9AD

1. 17 Jun 2025

   Received by City of London

2. 16 Mar 2026

   Decision issued: Approved

3. 7 Sep 2026

   Added to PlanIndex

City of London granted permission on 16 March 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.

A full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.

• 54 King William Street London EC4R 9AD

  24/00503/ADVT Submitted 16 May 2024 50 yards away

  Installation and display of one internally illuminated fascia measuring 525mm high by 4560mm wide at a height of 2.73m above ground and one internally illuminated projecting sign measuring 420mm high by 420mm wide at a height of 3.050m above ground.

  Granted Advertising 15 docs

• 54 King William Street London EC4R 9AD

  25/01753/MDC Submitted 11 Dec 2025 50 yards away

  Submission of details relating to mounting of mechanical plant to minimise transmission of structure borne sound or vibration pursuant to condition 4 of planning permission 24/00504/FULL dated 03/04/2025.

  Granted Conditions 7 docs

• 54 King William Street London EC4R 9AD

  25/01673/MDC Submitted 1 Dec 2025 50 yards away

  Submission of details of plant noise and installation pursuant to condition 2 (part B) of planning permission 24/00504/FULL dated 03/04/2025.

  Granted 5 docs

• Equitable House 47 King William Street London EC4R 9AF

  26/01287/FULL Submitted 16 Sep 2026 50 yards away

  99% historically approved · decision due ~24 Nov

  Alterations and extension to existing building, including alterations to the principal entrance comprising the installation of a new entrance door, glazing, metal framing and cladding, regrading of the external footway, and associated works; refurbishment of 2no. existing amenity terraces at Level 6; and alterations at Level 7 (roof level) including the reconfiguration of the existing roof form and massing, extension of the existing lift overrun, creation of a new internal amenity lobby and external roof terrace, installation of new plant equipment, and associated works.

  Awaiting decision Full applications Extension Windows or glazing 50 docs

• Retail Unit 3 2A Eastcheap London EC3M 1AA

  22/01074/LBC Submitted 9 Nov 2022 50 yards away

  Retention of one internally illuminated digital menu board measuring 1.23m high by 0.7m wide by 0.01m deep.

  Granted Heritage and listed buildings 7 docs

• 42 Fish Street Hill London EC3R 6BR

  24/00335/ADVT Submitted 2 Apr 2024 50 yards away

  Installation and display of: eleven non-illuminated product strips along top of glazing shopfront measuring 300mm high by 1550mm wide at a height above ground of 3.1m.

  Withdrawn Advertising Windows or glazing 9 docs

• 25/01794/FULL Granted

  50 Cannon Street London EC4N 6JJ

  Refurbishment of existing office building with works including: creation of roof terraces, extension of existing lift shaft, replacement and relocation of existing rooftop plant and associated structures, changes to internal car and cycle parking arrangements, and improvements to the building's facade.

  Received 22 Dec, published by the council 24 Jul 2026 Full applications
• 26/00865/FULL Granted

  9 Newbury Street London EC1A 7HU

  Extensions and alterations to the rear and interior of the existing office building (Use Class E) to provide (i) upgraded office space at lower ground and ground floors; (ii) conversion from office to one studio flat and one 1-bed dwelling (Use Class C3) at 1st to 3rd floors; and (iii) provision of a 1-bed dwelling within a newly created two storey roof extension at 4th and 5th floors with a roof terrace at 4th floor.

  Received 16 Jun, published by the council 24 Jul 2026 Full applications
• 26/01110/FULL Granted

  200 Aldersgate Street London EC1A 4HD

  Retrospective application for the installation of 2no. condenser units to fifth floor roof.

  Received 3 Aug, published by the council 20 Aug 2026 Full applications
• 26/01109/FULL Granted

  100 Bishopsgate London EC2N 4AA

  Installation of artwork along the junction of the landscaped space and the walls of St Ethelburga's Centre of Reconciliation and Peace: Continuum by Halima Cassell.

  Received 3 Aug, published by the council 21 Aug 2026 Full applications
• 26/01053/FULL Granted

  49 Cheapside London EC2V 6AT

  Shopfront alteration at Unit 1A to replace existing solid blanking panel with clear glass

  Received 27 Jul, published by the council 20 Sep 2026 Full applications