42-43 Russell Square London London WC1B 5DA

1. 18 Sep 2019

   Decision issued: Granted

2. 22 Jul 2026

   Added to PlanIndex

2 later applications on the register refer to this one:

• 2020/1425/L Granted

  British Museum 42-43 Russell Square London WC1B 5DA

  Details of all new windows required by condition 5 of 2018/4391/L dated 18/09/2019 for external and internal alterations including installation of skylight to rear ground floor, new external plant and associated screen located at the rear of the property and internal alterations including new openings, widening of internal risers, and new WC's as part of the refurbishment of the offices (B1 use).

  Decided 29 May 2020 Heritage and listed buildings
• 2020/1290/L Granted

  British Museum 42-43 Russell Square London WC1B 5DA

  Details of variable refrigerant flow units (VRF) required by condition 4 of 2018/4391/L for external and internal alterations including installation of skylight to rear ground floor, new external plant and associated screen located at the rear of the property and internal alterations including new openings, widening of internal risers, and new WC's as part of the refurbishment of the offices (B1 use).

  Decided 24 Apr 2020 Heritage and listed buildings

Camden granted permission on 18 September 2019, 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.

Listed building consent is needed for works that affect the special interest of a listed building, and carrying out such works without it is a criminal offence. More in our guide to planning application types.

• British Museum 38 - 43 Russell Square London WC1B 5DA

  2017/4368/T 0m away

  DD - REAR GARDEN: 1 x Horse Chestnut - Fell to ground level/create monolith beneath recent wound - DD

  Granted Trees

• 39 Russell Square LONDON WC1B 5BP

  2017/3308/L 0m away

  External and internal alterations including installation of security grilles on the basement and ground floor windows on the rear elevation, and replacement skylight lanterns within the lightwell at fourth floor level at no. 39 Russell Square, installation of new servicing including dado trunking, service risers, data hubs and boiler flues, fire safety upgrades, installation of suspended ceilings and alterations to boxed in existing electric intake and distribution boards with cupboards at all floor levels (retrospective).

  Granted Heritage and listed buildings Windows or glazing

• 42-43 Russell Square London WC1B 5DA

  2018/3851/P 0m away

  External alterations including new external plant and associated screen located at the rear of the property and new doors to the basement vaults in association with the refurbishment of the offices (B1 use).

  Granted Full applications

• 41 Russell Square London WC1B 5DA

  2018/3864/P 0m away

  Installation of new external plant and associated screen located at the rear of the property and new doors to the basement vaults in association with refurbishment of offices (B1 use).

  Granted Full applications

• 39 & 40 Russell Square London WC1B 5DA

  2012/1586/P 0m away

  Use of the premises for B1 (office) purposes.

  Granted Full applications

• 41 Russell Square London WC1B 5DA

  2018/4389/L 0m away

  Installation of new external plant and associated screen located at the rear of the property, new doors to the basement vaults and internal alterations including new openings, new internal risers, and new WC's all in association with refurbishment of offices (B1 use).

  Granted Heritage and listed buildings

• 2026/0825/L Granted

  88 Frognal London NW3 6XB

  Discharge of condition 4 (a) Plan, elevation and section drawings of all new internal doors at a scale of 1:10 with typical moulding and architrave details at a scale of 1:1. b) Plan, elevation and section drawings, including jambs, head and cill, of all new windows and doors, including garage doors and windows, at a scale of 1:10 with typical glazing bar details at 1:1) of 2025/3436/L (External works comprising demolition of existing conservatory and erection of single-storey ground floor extension; demolition of existing garage and erection of replacement garage; alterations and repairs to roof; repair and minor alterations to building facade; provision of new hard and soft landscaping. Interior works comprising general remodelling works; minor changes to planform and openings; installation of new mechanical and electrical services throughout)

  2 Mar 2026 Heritage and listed buildings
• 2026/2946/L Awaiting decision

  Flat 1, 73 Eton Avenue London NW3 3EU

  Replacement of existing defective rear lean-to conservatory with a new slimline powder-coated aluminium framed conservatory with clear double glazing, on the exact same footprint as existing.

  3 Sep 2026 Heritage and listed buildings
• 2026/3754/L Awaiting decision

  10 Great Ormond Street London Camden WC1N 3RB

  Coversion of 3 flats into 4 and internal alterations to the listed building

  2 Sep 2026 Heritage and listed buildings
• 2026/2194/L Withdrawn

  Dunboyne Road Estate Dunboyne Road London NW3 2YY

  Installation of Air Source and Water Source Heat Pumps in basement car park with associated acoustic and security enclosures; installation of PV Panels on roof of Blocks 1, 2 and 3; removal of existing gas boilers and associated plant; installation of a new estate-wide heating network including Heat Interface Units, radiators, pipework and associated infrastructure to serve Flats 1-71; excavation of trenches and installation of below-ground heating, water and electrical infrastructure; and associated ancillary works.

  29 May 2026 Heritage and listed buildings
• 2026/3773/L Awaiting decision

  47 Kelly Street London NW1 8PG

  Replacement of concrete roof tiles with slate roof tiles (Retrospective)

  28 Aug 2026 Heritage and listed buildings