50-51 Russell Square London WC1B 4JP

This site has had 7 applications since 2025: 7 approved, 0 refused.

• 2026/2313/P Granted

  50-51 Russell Square London WC1B 4JP

  Details pursuant to Condition 7(e) (Lighting) of planning permission ref. 2023/5470/P (dated 12/03/2025) for: Deep refurbishment of existing building including new facades; erection of replacement roof extension with terrace to rear; reopening of lightwell to front and reconfiguration of entrance area; demolition of two storey outrigger and replacement with three storeys plus plant enclosure; single storey rear infill extension to existing car park with terrace above; erection of full height stair rear core extension.

  Decided 6 Aug 2026 Full applications
• 2026/1588/P Granted

  50-51 Russell Square London WC1B 4JP

  Details pursuant to Condition 7(a) (Windows, Doors, Balustrades) of planning permission ref. 2023/5470/P (dated 12/03/2025) for: Deep refurbishment of existing building including new facades; erection of replacement roof extension with terrace to rear; reopening of lightwell to front and reconfiguration of entrance area; demolition of two storey outrigger and replacement with three storeys plus plant enclosure; single storey rear infill extension to existing car park with terrace above; erection of full height stair rear core extension.

  Decided 24 Apr 2026 Full applications
• 2026/0870/P Granted

  50-51 Russell Square London WC1B 4JP

  Details pursuant to Condition 7(d) (Metal Cladding) of planning permission ref. 2023/5470/P (dated 12/03/2025) for: Deep refurbishment of existing building including new facades; erection of replacement roof extension with terrace to rear; reopening of lightwell to front and reconfiguration of entrance area; demolition of two storey outrigger and replacement with three storeys plus plant enclosure; single storey rear infill extension to existing car park with terrace above; erection of full height stair rear core extension.

  Decided 10 Apr 2026 Full applications
• 2026/0868/P Granted

  50-51 Russell Square London WC1B 4JP

  Details pursuant to Condition 7(b) (Brickwork) of planning permission ref. 2023/5470/P (dated 12/03/2025) for: Deep refurbishment of existing building including new facades; erection of replacement roof extension with terrace to rear; reopening of lightwell to front and reconfiguration of entrance area; demolition of two storey outrigger and replacement with three storeys plus plant enclosure; single storey rear infill extension to existing car park with terrace above; erection of full height stair rear core extension.

  Decided 7 May 2026 Full applications
• 2026/0869/P Granted

  50-51 Russell Square London WC1B 4JP

  Details pursuant to Condition 7(c) (GRC Cladding) of planning permission ref. 2023/5470/P (dated 12/03/2025) for: Deep refurbishment of existing building including new facades; erection of replacement roof extension with terrace to rear; reopening of lightwell to front and reconfiguration of entrance area; demolition of two storey outrigger and replacement with three storeys plus plant enclosure; single storey rear infill extension to existing car park with terrace above; erection of full height stair rear core extension.

  Decided 10 Apr 2026 Full applications
• 2025/2462/P Granted

  50-51 Russell Square London WC1B 4JP

  Details pursuant to condition 8 (living roof) of planning permission 2023/5470/P (dated 12/03/2025) for refurbishment of existing building including new facades and extensions

  Decided 8 Jul 2025 Full applications

1. 18 Jun 2026

   Received by Camden

2. 22 Jun 2026

   Validated

   Checked as complete and ready for consideration.

3. 24 Jul 2026

   Added to PlanIndex

4. 3 Sep 2026

   Decision issued: Granted

• 2023/5470/P Granted

  50-51 Russell Square London Camden WC1B 4JP

  Deep refurbishment of existing building including new facades; erection of replacement roof extension with terrace to rear; reopening of lightwell to front and reconfiguration of entrance area; demolition of two storey outrigger and replacement with three storeys plus plant enclosure; single storey rear infill extension to existing car park with terrace above; erection of full height stair rear core extension.

  Decided 12 Mar 2025 Full applications

Camden granted permission on 3 September 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.

An amendment application makes limited changes to a permission that already exists; anything beyond modest adjustment needs a fresh application. More in our guide to planning application types.

• 50-51 Russell Square London Camden WC1B 4JP

  2025/3203/P 50 yards away

  91% historically approved

  Details pursuant to condition 12 (mechanical ventilation) of planning permission ref 2023/5470/P dated 12/03/2025 for Deep refurbishment of existing building including new facades; erection of replacement roof extension with terrace to rear, reopening of lightwell to front and reconfiguration of entrance area; demolition of two storey outrigger and replacement with three storeys plus plant enclosure; single storey rear infill extension to existing car park with terrace above; erection of full height stair rear core extension.

  Awaiting decision Full applications Extension Roofing +1
  Small domestic

• 50-51 Russell Square London WC1B 4JP

  2026/2313/P Submitted 5 Jun 2026 50 yards away

  Details pursuant to Condition 7(e) (Lighting) of planning permission ref. 2023/5470/P (dated 12/03/2025) for: Deep refurbishment of existing building including new facades; erection of replacement roof extension with terrace to rear; reopening of lightwell to front and reconfiguration of entrance area; demolition of two storey outrigger and replacement with three storeys plus plant enclosure; single storey rear infill extension to existing car park with terrace above; erection of full height stair rear core extension.

  Granted Full applications Extension Roofing +1 9 docs
  Small domestic

• 50-51 Russell Square London WC1B 4JP

  2026/0870/P Submitted 5 Mar 2026 50 yards away

  Details pursuant to Condition 7(d) (Metal Cladding) of planning permission ref. 2023/5470/P (dated 12/03/2025) for: Deep refurbishment of existing building including new facades; erection of replacement roof extension with terrace to rear; reopening of lightwell to front and reconfiguration of entrance area; demolition of two storey outrigger and replacement with three storeys plus plant enclosure; single storey rear infill extension to existing car park with terrace above; erection of full height stair rear core extension.

  Granted Full applications Extension Roofing +1 3 docs
  Small domestic

• 50-51 Russell Square London WC1B 4JP

  2026/0868/P Submitted 5 Mar 2026 50 yards away

  Details pursuant to Condition 7(b) (Brickwork) of planning permission ref. 2023/5470/P (dated 12/03/2025) for: Deep refurbishment of existing building including new facades; erection of replacement roof extension with terrace to rear; reopening of lightwell to front and reconfiguration of entrance area; demolition of two storey outrigger and replacement with three storeys plus plant enclosure; single storey rear infill extension to existing car park with terrace above; erection of full height stair rear core extension.

  Granted Full applications Extension Roofing +1 3 docs
  Small domestic

• Associated British Foods Plc 50 Russell Square London WC1B 4JA

  2014/0874/P 50 yards away

  Installation of louvres to South East elevation associated with new ventilation system to offices.

  Granted Full applications

• 50-51 Russell Square London Camden WC1B 4JP

  2025/1431/P 50 yards away

  Details pursuant to condition 13 (air quality monitoring) of planning permission 2023/5470/P (dated 12/03/2025 for refurbishment of existing building including new facades and extensions

  Granted Full applications Extension

• 2026/1982/P Granted

  29 Healey Street London NW1 8SR

  Variation of conditions 2 (approved plans) of planning permission 2025/1250/P granted 13/05/2025 (for: 'Erection of part one and part two storey rear extension and roof terrace at second floor; erection of a mansard roof extension.') namely to amend the materiality of the proposed rear elevation joinery.

  Received 18 May, published by the council 24 Jul 2026 Amendments
• 2026/4008/P Awaiting decision

  6 Murray Street London NW1 9RE

  Non-material amendment to planning permission ref. 2023/3483/P (dated 25/10/2023) for 'Erection of mansard roof extension and replacement shopfront', NAMELY for changes to the rear dormers.

  Received 16 Sep, published by the council 17 Sep 2026 Amendments
• 2026/3390/P Granted

  The British Museum Great Russell Street London WC1B 3DG

  Amendments to planning permission ref. 2025/0038/P dated 03/03/2025, as amended by ref. 2026/2945/P dated 24/07/2026 for the continued use of single storey structures at the south and north entrances to provide an external search facility to the museum for a temporary period, NAMELY to vary Condition 1 (temporary structure) to allow the continued use of the single storey security structure at the north entrance for a further temporary period.

  Received 7 Aug, published by the council 15 Aug 2026 Amendments
• 2025/4829/P Granted

  Former Hampstead Police Station 26 Rosslyn Hill London NW3 1PD

  Variation of condition 2 (Approved drawings) of application 2024/1078/P dated 24/07/2025 for 'Change of use from former police station (sui generis) to provide 5 residential units(Use Class C3) and commercial floorspace (Use Class E), space for a private healthcare use (Use Class E(e)). three storey and four storey rear extensions, replacement of windows, external alterations, landscaping, cycle and refuse storage, rooftop plant and associated ancillary works.' changes include replacement of 1970's extension, location of proposed plant, removal and addition of windows on rear elevation, landscaping alterations.

  Received 27 Oct, published by the council 24 Jul 2026 Amendments
• 2026/1189/P Granted

  Flat 2 47 Compayne Gardens London NW6 3DB

  Variation of condition 2 (approved drawings) of planning permission 2023/3067/P dated 21/06/2024 for 'Extension of existing basement and creation of terrace with bi fold doors and garden access stairs above, new lightwell to the side with metal grille cover, proposed side windows and landscaping to the side and rear' changes include changing location of the lightwell from side to front (Retrospective)

  Received 12 May, published by the council 24 Jul 2026 Amendments