23 Mecklenburgh Square London WC1N 2AD

This site has had 2 applications since 2021: 2 approved, 0 refused.

• 2020/4301/L Granted

  23 Mecklenburgh Square London WC1N 2AD

  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.

  Decided 11 Jan 2021 Heritage and listed buildings

1. 27 Jul 2021

   Decision issued: Granted

2. 22 Jul 2026

   Added to PlanIndex

Camden granted permission on 27 July 2021, 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 0m 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 0m 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

• 21-25 Mecklenburgh Square London WC1N 2AD

  2012/4762/L 0m away

  Internal alterations at ground floor level to include repositioning of partition wall within the front room, removal of existing double doors within hallway and installation of replacement glazed double doors in revised location.

  Granted Heritage and listed buildings Windows or glazing

• 21-25 Mecklenburgh Square London WC1N 2AD

  2014/7708/L 0m 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 0m 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 0m 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

• 2026/0825/L Granted

  88 Frognal London NW3 6XB

  Discharge of condition 4 (a) Plan, elevation and section drawings of all new internal doors at a scale of 1:10 with typical moulding and architrave details at a scale of 1:1. b) Plan, elevation and section drawings, including jambs, head and cill, of all new windows and doors, including garage doors and windows, at a scale of 1:10 with typical glazing bar details at 1:1) of 2025/3436/L (External works comprising demolition of existing conservatory and erection of single-storey ground floor extension; demolition of existing garage and erection of replacement garage; alterations and repairs to roof; repair and minor alterations to building facade; provision of new hard and soft landscaping. Interior works comprising general remodelling works; minor changes to planform and openings; installation of new mechanical and electrical services throughout)

  2 Mar 2026 Heritage and listed buildings
• 2026/2946/L Awaiting decision

  Flat 1, 73 Eton Avenue London NW3 3EU

  Replacement of existing defective rear lean-to conservatory with a new slimline powder-coated aluminium framed conservatory with clear double glazing, on the exact same footprint as existing.

  3 Sep 2026 Heritage and listed buildings
• 2026/3754/L Awaiting decision

  10 Great Ormond Street London Camden WC1N 3RB

  Coversion of 3 flats into 4 and internal alterations to the listed building

  2 Sep 2026 Heritage and listed buildings
• 2026/2194/L Withdrawn

  Dunboyne Road Estate Dunboyne Road London NW3 2YY

  Installation of Air Source and Water Source Heat Pumps in basement car park with associated acoustic and security enclosures; installation of PV Panels on roof of Blocks 1, 2 and 3; removal of existing gas boilers and associated plant; installation of a new estate-wide heating network including Heat Interface Units, radiators, pipework and associated infrastructure to serve Flats 1-71; excavation of trenches and installation of below-ground heating, water and electrical infrastructure; and associated ancillary works.

  29 May 2026 Heritage and listed buildings
• 2026/3773/L Awaiting decision

  47 Kelly Street London NW1 8PG

  Replacement of concrete roof tiles with slate roof tiles (Retrospective)

  28 Aug 2026 Heritage and listed buildings