319-325 High Holborn (Heron House), 326-332 High Holborn And 26 Southampton Buildings (Holborn Gate), And 44 Southampton Buildings London WC1 And WC2
Proposal
Application under Section 73 of the Town and Country Planning Act 1990 (as amended) in relation to planning permission 24/01262/FULL dated 23 December 2025, to vary condition 6 (access to terraces) to reflect amended configuration of terraces and balconies, condition 20 (basement plans) to reflect amended basement layouts, condition 31 (biodiversity gain plan), to reflect amended landscaping and planting, condition 57 (cycle parking), to amend long stay and short stay cycle parking provision, condition 67 (fire strategy) to reflect amended fire strategy, condition 73 (floor areas) to reflect amended floor areas and layout reconfiguration, condition 74 (approved plans), to include an extension of the proposed building to the south with the introduction of inset balconies, extension of basement level B2, reconfiguration of the proposed plant and the formation of a ground floor colonnade with new pedestrian route, and condition 76 (height of the building) to increase the height of the proposed building and accompanying deed of variation to the section 106 agreement to vary planning obligations.
- Received
- 17 August 2026
- Target decision date
- 14 August 2026
- Council
- London Borough of Camden
- Ward
- Holborn and Covent Garden;Kings Cross
- ReceivedSubmitted17 Aug
- ValidatedValidated14 Aug
- Consult.Consultation
- TargetTarget Date14 Aug
- DecidedDecided
This is a planning application for an extension at 319-325 High Holborn (Heron House), 326-332 High Holborn And 26 Southampton Buildings (Holborn Gate), And 44 Southampton Buildings London WC1 And WC2. Camden has handled 21 applications of this type and approves nearly all of them, typically deciding them in 22 days. It was submitted on 17 August 2026 and is still awaiting a decision. The site is in 6 listed buildings nearby. There are no previous applications recorded at this address. In the past year there have been 5 applications across Holborn and Covent Garden;Kings Cross.
Application Details
Applicant & Agent
Planning Application Dates
Planning Decision
Publicity
Appeal
Additional Information
Source: Camden
Contains public sector information from the Planning London Datahub, licensed under the Open Government Licence v3.0.
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Planning constraints
Designations that overlap or adjoin the site outline.
- Conservation area: Chancery LanePart of the site · +1 more
- Article 4 direction: BasementsPart of the site · +1 more
- Flood zone 1: Low probability (rivers and sea)
Possibly incomplete for this council: tree preservation orders.
Also checked, none recorded (20)
flood storage areas, green belt, scheduled monuments, World Heritage Sites, World Heritage Site buffer zones, registered parks and gardens, registered battlefields, Heritage at Risk entries, nutrient neutrality catchments, national parks, National Landscapes, SSSIs, Special Areas of Conservation, Special Protection Areas, Ramsar sites, ancient woodland, national nature reserves, local nature reserves, heritage coasts and brownfield registers.
A guide only, from official open data; it is not a planning search. Flood zones cover rivers and sea, not surface water.
Data © Crown copyright and others · sources and licences
Contains public sector information from planning.data.gov.uk (MHCLG and local planning authorities), licensed under the Open Government Licence v3.0. © Crown copyright and database right 2026.
© Historic England 2026. Contains Ordnance Survey data © Crown copyright and database right 2026. The Historic England GIS Data contained in this material was obtained on 2026-10-09. The most publicly available up to date Historic England GIS Data can be obtained from HistoricEngland.org.uk.
© Natural England copyright. Contains Ordnance Survey data © Crown copyright and database right 2026.
© Environment Agency copyright and/or database right 2026. All rights reserved. Flood Map for Planning, Open Government Licence v3.0.
Contains Ordnance Survey data © Crown copyright and database right 2026.
Source: Office for National Statistics licensed under the Open Government Licence v.3.0. Contains OS data © Crown copyright and database right 2026.
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