21-25 Mecklenburgh Square London WC1N 2AD

This site has had 4 applications since 2012: 4 approved, 0 refused.

• 2017/5428/L Granted

  21-25 Mecklenburgh Square London WC1N 2AD

  Details of new handrail as required by condition 4 of listed building consent dated 14/09/2017 (ref 2017/4318/L) for Internal alterations including replacement of existing timber staircase between second and third floor levels to no.24.

  Decided 9 Nov 2017 Heritage and listed buildings
• 2017/4318/L Granted

  21-25 Mecklenburgh Square London WC1N 2AD

  Internal alterations including repair and strengthening works to balusters, treads, risers and kite winders of timber and stone staircases; removal of existing non-original dado rails and installation of new timber handrails; replacement of existing timber staircase between second and third floor levels to no.24; application of safety film to landing windows; installation of warning signs to walls.

  Decided 14 Sep 2017 Heritage and listed buildings
• 2014/7708/L Granted

  21-25 Mecklenburgh Square London WC1N 2AD

  The refurbishment of 65 bathrooms (53 in the main building and 12 in the rear mews houses).

  Decided 25 Feb 2015 Heritage and listed buildings

1. 18 Dec 2012

   Decision issued: Granted

2. 22 Jul 2026

   Added to PlanIndex

Camden granted permission on 18 December 2012, 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.

• 22 & 23 Mecklenburgh Square LONDON WC1N 2AD

  2017/5308/L 50 yards away

  Repair and refurbishment to the basement staircases to nos. 22 and 23 Mecklenburgh Square, and the addition of new handrails.

  Granted Heritage and listed buildings

• 21-25 Mecklenburgh Square London WC1N 2AD

  2017/5428/L 50 yards away

  Details of new handrail as required by condition 4 of listed building consent dated 14/09/2017 (ref 2017/4318/L) for Internal alterations including replacement of existing timber staircase between second and third floor levels to no.24.

  Granted Heritage and listed buildings

• 23 Mecklenburgh Square London WC1N 2AD

  2021/1169/L 50 yards away

  Installation of blue ceramic plaque, recessed into the facade

  Granted Heritage and listed buildings

• 21-25 Mecklenburgh Square London WC1N 2AD

  2014/7708/L 50 yards away

  The refurbishment of 65 bathrooms (53 in the main building and 12 in the rear mews houses).

  Granted Heritage and listed buildings

• 21-25 Mecklenburgh Square London WC1N 2AD

  2017/4318/L 50 yards away

  Internal alterations including repair and strengthening works to balusters, treads, risers and kite winders of timber and stone staircases; removal of existing non-original dado rails and installation of new timber handrails; replacement of existing timber staircase between second and third floor levels to no.24; application of safety film to landing windows; installation of warning signs to walls.

  Granted Heritage and listed buildings Windows or glazing

• 23 Mecklenburgh Square London WC1N 2AD

  2020/4301/L 50 yards away

  The refurbishment of 53 bedrooms and common parts in 5 no. Grade II* listed buildings and 12 bedrooms across 6 Mews houses to the rear.

  Granted Heritage and listed buildings

• 2026/1141/L Granted

  25 John Street London WC1N 2BS

  Internal and external alterations to partition layout at basement, supporting structures and external ground level, and alterations to design of conservatory, windows and doors granted under listed building consent 2024/0338/L dated 06/08/2024.

  Received 26 Mar, published by the council 24 Jul 2026 Heritage and listed buildings
• 2025/1781/L Granted

  Frognal Rise House Lower Terrace London NW3 6RE

  Demolition of existing garage and interlinking gallery and replacement with new garage and garden room with link, new basement floor below garden, alterations to main house including replacement windows including reinstated oriel window and new French doors to entrance elevation, new roofing to side wing, new portico and replacement door to front elevation, enlargement of existing lightwell, replacement gates and canopy over entrance gate, restorations of boundary treatments, associated internal alterations including partial underpinning works and other minor alterations.

  Received 22 Apr, published by the council 22 Jul 2026 Heritage and listed buildings
• 2026/4129/L Awaiting decision

  6 Leverton Street London NW5 2PJ

  Strip out kitchen including floor tiles and replace; replace plumbing and flooring in rear ensuite; replace plumbing in front ensuite and WC; replace internal doors; replace garden wall with metal railing; replace 3 rear windows, 3 rear elevation side windows, 1 rear door and 1 rear elevation side door with double-glazed crittal windows and doors; remove 2 rear windows; render rear elevation brickwork; and associated works.

  Received 1 Oct, published by the council 9 Oct 2026 Heritage and listed buildings
• 2026/1686/L Granted

  Flat Ground and 1st Floor and Flat 2nd and 3rd Floor 14 Downshire Hill London NW3 1NR

  External and internal alterations in connection with conversion of two self-contained flats into a single-family dwellinghouse, including new doors at rear ground and second floor level, replacement windows at rear second and third floors level, removal of internal partitions, extending the stair handrail, and replacement internal doors, parquet flooring, skirting, architraves, cornicing, and fittings.

  Received 19 May, published by the council 24 Jul 2026 Heritage and listed buildings
• 2026/2202/L Refused

  4 Hampstead Square London NW3 1AB

  Erection of conservatory to front elevation.

  Received 27 May, published by the council 24 Jul 2026 Heritage and listed buildings