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Kelvin House 123 Judd Street London WC1H 9NP

2026/4277/PApproval of DetailsApproved
Discharge / amendments

Approved on 29 October 2026

Council decision: Granted

Approximate location: the centre of the postcode, not the exact property.

Proposal

Details for condition 34 (Groundborne Noise Assessment) of planning ref 2025/3810/P dated 19/08/2026 for 'Partial change of use of building from telephone exchange (Sui Generis) to use as a hotel (Class C1) with retention of existing telephone exchange (Sui Generis) at part of basement and ground floor. Proposed extension with green roofs, PV panels and external alterations to the building. Associated public realm works, including to courtyard. Associated highway and access works'

Received
6 October 2026
Ward
Bloomsbury
  1. Received6 Oct
  2. Validated30 Sep
  3. Consult.
  4. Target30 Oct
  5. Decided29 Oct

Decided in 29 days (council typically 49)

About this application

This is a planning application for a change of use at Kelvin House 123 Judd Street London WC1H 9NP. Camden has handled 312 applications of this type. This one was decided in 23 days, 4 weeks quicker than Camden's typical decision time. The site is in the Bloomsbury conservation area. There have been 6 other applications at this address. In the past year there have been 395 applications across Bloomsbury. We hold 813 applications in total for the WC1H postcode area.

100% of approval of details applications at London Borough of Camden were approved. Across all application types, the council typically decides in about 7 weeks (median).

Based on decided applications received in the last 3 years.Planning something similar? See what gets approved on your street

Application details

Postcode
WC1H 9NP
Application type
Approval of Details

Planning application dates

Date validated
30 September 2026
Target decision date
30 October 2026

Applicant and agent

Applicant
Private applicant

Planning decision

Case officer
Ewan Campbell

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations at the address point. Ones next to the site may also apply.

  • Conservation area: Bloomsbury
  • Article 4 direction: Basements+1 more
  • Flood zone 1: Low probability (rivers and sea)

Possibly incomplete for this council: tree preservation orders.

Also checked, none recorded (21)

flood storage areas, listed buildings, 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 2026-11-03. 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.

Source: Camden

Contains public sector information from the Planning London Datahub, licensed under the Open Government Licence v3.0.

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