326 - 328 High Holborn London WC1V 7PE

1. 17 Nov 2023

   Received by City of London

2. 6 Dec 2023

   Validated

   Checked as complete and ready for consideration.

3. 18 Jan 2024

   Decision issued: Approved

4. 29 Sep 2026

   Added to PlanIndex

City of London granted permission on 18 January 2024, 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.

• 319-325 High Holborn (Heron House), 326-332 High Holborn And 26 Southampton Buildings (Holborn Gate), And 44 Southampton Buildings, WC1 And WC2

  P2025/0163/OBS Submitted 2 Jun 2025 50 yards away

  91% historically approved · decision due ~28 Jul

  Observations to adjoining borough in relation to application ref: 24/01262/FULMAJ for Demolition of existing buildings at 326-332 High Holborn & 26 Southampton Buildings (Holborn Gate), 319-325 High Holborn (Heron House) and 44 Southampton Buildings and construction of new building comprising of two basement levels, ground plus 9 upper stories (65.8m AOD), including a mezzanine at upper ground level and external plant space at roof level, consisting of office floorspace (Class E(g)(i)) on ground and upper levels, retail/food and beverage floorspace (Use Class E(a)-(b)) at ground level and flexible cultural/ exhibition/performance/ learning/ community/ creative affordable workspace (Use Classes F1(a)-(e)/ F2(b)/ E(g)(i)/ Sui Generis) floorspace at ground and basement levels; creation of public realm, including new hard and soft landscaping, external terraces, provision of new servicing facilities and associated access from Southampton Buildings, cycle parking and other associated works.

  Decided Demolition

• 323 - 324 High Holborn London WC1V 7PU

  23/01361/FULL Submitted 11 Dec 2023 50 yards away

  Installation of new and replacement external plant at first floor level for M&S store, 324-325 High Holborn.

  Granted Full applications 34 docs

• South Staple Inn Buildings London WC1V 7PZ

  23/01334/LDC Submitted 5 Dec 2023 50 yards away

  Submission of details pursuant to condition 4 of planning permission 23/00615/LBC dated 10/11/2023.

  Granted Lawful development 5 docs

• 335 High Holborn London WC1V 7PX

  25/01518/ADVT Submitted 4 Nov 2025 50 yards away

  Installation and display of (i) one non-illuminated projecting sign measuring 600mm x 600mm displayed at a height of 3200mm above ground level; and (ii) twelve individually mounted non-illuminated letters, measuring 3000mm x 480mm positioned at a height of 3590mm above ground level.

  Granted Advertising 16 docs

• 335 High Holborn London WC1V 7PX

  25/01517/LBC Submitted 4 Nov 2025 50 yards away

  Retention of shop fit-out and replacement signage.

  Granted Heritage and listed buildings 9 docs

• South Staple Inn Buildings London WC1V 7PZ

  25/00962/LBC Submitted 21 Jul 2025 50 yards away

  100% historically approved · decision due ~15 Sep

  Installation of lift within stairwell.

  Awaiting decision Heritage and listed buildings 13 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