23 Mercer Street London WC2H 9QR

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

• 2010/0574/P Granted

  23 Mercer Street London WC2H 9QR

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

  Decided 13 Apr 2010 Full applications

1. 22 Jul 2026

   Added to PlanIndex

2. Decision

   Awaiting decision

   The statutory target is eight weeks for most applications and thirteen for major development. Extensions of time are common.

   Camden took a median of 42 days over the applications it decided in the last year.

This application is with Camden for determination, against a statutory target of eight weeks. Over the last year Camden decided full applications in a median of 56 days. More in our guide to how long planning decisions take.

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 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 WC2H 9QR

  2010/0574/P 50 yards away

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

  Granted Full applications

• 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

• 2026/0369/P Granted

  Railway embankment and land west of 49 Adelaide Road London NW3 3QB

  Installation of a new DNO (Distribution Network Operator) cabinet and erection secure access gate to Adelaide Road, erection of staircase to railway embankment, associated works.

  Received 17 Jul, published by the council 24 Jul 2026 Full applications
• 2026/3694/P Granted

  19 Charterhouse Street London EC1N 6RA

  Details pursuant to condition 19 (external lighting) of planning permission 2025/1683/P, granted subject to a legal agreement on 05/06/2026, for remodelling, refurbishment and extensions (including 3 additional storeys) of the existing building to provide Use Class E (commercial, retail/restaurant and jewellery workspace) and associated landscaping and facade works.

  Received 27 Aug, published by the council 5 Sep 2026 Full applications
• 2026/3904/P Granted

  14 Templewood Avenue London NW3 7XA

  Details pursuant to Condition 5 (Tree protection measures) of planning permission 2026/2315/P dated 10/08/2026 for "Erection of an orangery/outbuilding in the rear garden."

  Received 9 Sep, published by the council 11 Sep 2026 Full applications
• 2025/2002/P Granted

  11 Doughty Street London WC1N 2PL

  Change of use from office (Class E) to residential to form a single-family dwelling (Class C3); associated internal and external alterations

  Received 9 May, published by the council 22 Jul 2026 Full applications
• 2026/3551/P Granted

  19 Charterhouse Street London EC1N 6RA

  Details pursuant to condition 21 (Details of gates/barriers onto Charterhouse Street) of planning permission 2025/1683/P, granted subject to a legal agreement on 05/06/2026, for remodelling, refurbishment and extensions (including 3 additional storeys) of the existing building to provide Use Class E (commercial, retail/restaurant and jewellery workspace) and associated landscaping and facade works.

  Received 19 Aug, published by the council 22 Aug 2026 Full applications