23 Mercer Street London WC2H 9QR

This site has had 2 applications since 2010: 1 approved, 0 refused.

• 2024/4161/P Awaiting decision

  23 Mercer Street London WC2H 9QR

  Excavation of the existing basement level, and removal and replacement of the existing lightwell glazed infill.

  Full applications

1. 13 Apr 2010

   Decision issued: Granted

2. 22 Jul 2026

   Added to PlanIndex

Camden granted permission on 13 April 2010, 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.

• 23 Mercer Street London WC2H 9QR

  2024/4161/P 50 yards away

  92% historically approved

  Excavation of the existing basement level, and removal and replacement of the existing lightwell glazed infill.

  Awaiting decision Full applications Extension Windows or glazing

• 23 Mercer Street London Camden WC2H 9QR

  2024/4277/L 50 yards away

  96% historically approved

  Excavation of the existing basement level, reconfiguration and reordering of internal layouts, and removal and replacement of the existing lightwell glazed infill.

  Awaiting decision Heritage and listed buildings Extension Windows or glazing

• 23 Mercer Street London WC1H 9QR

  2010/0401/L 50 yards away

  Reinstating of existing Pulley at 3rd floor level and retractable platform at 1st, 2nd and 3rd floor levels (C3)

  Granted Heritage and listed buildings

• 27 Mercer Street London WC2H 9QR

  2015/5451/L 50 yards away

  Internal alterations at basement and ground floor levels and erection of glazing over rear courtyard.

  Granted Heritage and listed buildings Windows or glazing

• 27 Mercer Street London WC2H 9QR

  2015/4525/P 50 yards away

  Installation of glazing over rear courtyard and internal alterations.

  Granted Full applications Windows or glazing

• 27 Mercer Street London WC2H 9QR

  2016/6096/L 50 yards away

  Details of condition 2, as required by Listed Building Consent ref 2015/5451/L (dated 03/12/2015) for internal alterations at basement and ground floor levels and erection of glazing over rear courtyard.

  Granted Heritage and listed buildings Windows or glazing

• 2026/0990/P Refused

  1 Bleeding Heart Yard & 19 Greville Street London EC1N 8SJ

  Change of use from office space and restaurant use (Class E) and members club (Sui Generis) to affordable workspace and restaurant use (Class E) and 1 x residential unit on the third and fourth floors (Class C3). Erection of a two-storey roof extension across 19 Greville Street and 1 Bleeding Heart Yard, including alterations at second-floor level to the interior courtyard elevation, ground-floor fenestration changes, and a roof terrace for the associated residential unit.

  Received 26 Mar, published by the council 24 Jul 2026 Full applications
• 2026/3044/P Granted

  London Irish Centre 50-52 Camden Square London NW1 9XB

  Details to discharge Condition 25 Part A (Air Quality Monitoring) of planning permission ref. 2020/1481/P dated 17/05/24 for 'Redevelopment of site to provide new and reconfigured community centre and ancillary residential accommodation (Class D1/ D2) involving alterations to retained buildings at No's. 50, 51 and 52 Camden Square including replacement of two storey 'link' building; demolition of Murray Street and Murray Mews buildings and replacement with part-three / part-four storey building (plus basement level) with second and third floor terraces and new entrance; associated landscaping and cycle parking'.

  Received 20 Jul, published by the council 2 Aug 2026 Full applications
• 2026/4338/P Awaiting decision

  32 Willoughby Road London NW3 1RU

  Details to discharge condition 6 (tree protection methods) of planning permission 2025/4186/P granted 13/11/2025 for 'Demolition of existing two storey outrigger and replacement with part two-storey, part single storey rear extension, loft conversion with dormer and roof light to main roof at rear, new windows to flanking wall, replacement of existing windows and installation of a gate and fence to side'.

  Received 5 Oct, published by the council 9 Oct 2026 Full applications
• 2026/4141/P Awaiting decision

  24 Endell Street London WC2H 9HQ

  Relocation of three air conditioning condenser units to first floor roof, construction of an acoustic enclosure and other associated works.

  Received 5 Oct, published by the council 9 Oct 2026 Full applications
• 2026/3907/P Awaiting decision

  Flat 1 16 Lyndhurst Road London NW3 5NL

  External renovations to the front of the property, including works to the entry porch, steps, replacment front door, installation of metal railings to boundary wall and paving to front garden and erection of a glass roof to the side passage to create a bike shelter.

  Received 5 Oct, published by the council 9 Oct 2026 Full applications