23 Mercer Street London Camden WC2H 9QR

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 heritage and listed building applications in a median of 55 days. More in our guide to how long planning decisions take.

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.

• 23 Mercer Street London WC2H 9QR

  2024/4161/P 50 yards away

  91% 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 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

• 2026/3449/L Awaiting decision

  Alexandra & Ainsworth TRA Hall 100 Rowley Way London NW8 0SW

  Reconstuction of roof loggia and roof lantern drainage channel pursuant to planning permission ref 2023/3413/P and listed building consent ref 2023/4012/L granted on 18/12/2024, for various works of roof repair and replacement.

  Received 18 Sep, published by the council 21 Sep 2026 Heritage and listed buildings
• 2026/3087/L Granted

  205 Albany Street London NW1 4AB

  Installation of a free standing air source heat pump in the rear courtyard. Installation of an innovative, thin and flexible PV panels to the flat section of the roof

  Received 21 Jul, published by the council 24 Jul 2026 Heritage and listed buildings
• 2026/4003/L Awaiting decision

  10 Sicilian Avenue London Camden WC1A 2QH

  Internal alterations to ground floor and basement level, including new partitions and mechanical ventillation.

  Received 16 Sep, published by the council 21 Sep 2026 Heritage and listed buildings
• 2026/4002/L Awaiting decision

  Flat A 4 Rowley Way London NW8 0SF

  Internal refurbishment including replacement of non-original kitchen and bathroom fittings, repair and refinishing of original internal timber joinery, replacement of floor finishes and internal redecoration.

  Received 16 Sep, published by the council 21 Sep 2026 Heritage and listed buildings
• 2026/3990/L Awaiting decision

  Unison Centre 130 Euston Road London Camden NW1 2AY

  Repair and refurbishment works.

  Received 15 Sep, published by the council 21 Sep 2026 Heritage and listed buildings