23 Macklin Street London WC2B 5NN

1. 28 Sep 2017

   Decision issued: Granted

2. 22 Jul 2026

   Added to PlanIndex

Permission has been granted, usually subject to conditions listed on the decision notice, some of which must be discharged before work starts. The decision notice on the council portal sets out exactly what was approved.

Work must normally begin within three years of the decision or the permission lapses. Neighbours cannot appeal a grant; challenging one means judicial review of how the decision was made, within tight time limits.

Heritage applications concern listed buildings and conservation areas. Listed building consent is needed for works, inside or out, that affect the special interest of a listed building, and carrying out such works without consent is a criminal offence. The council weighs harm to the heritage asset against any public benefit of the proposal.

More on heritage and listed buildings applications in our guide

• 23 Macklin Street London WC2B 5NN

  2013/8263/P 0m away

  Erection of rear first floor balcony, introduction of new windows and alterations to the front facade of dwelling.

  Granted Full applications Windows or glazing
  Domestic

• 23 Macklin Street LONDON WC2B 5NN

  2017/6491/P 0m away

  GII - Condition 2a of 2014/0171/L

  Granted Full applications

• 23 Macklin Street London WC2B 5NN

  2017/3986/P 0m away

  Variation of condition 3 (approved plans) of planning permission 2013/8263/P dated 18/06/2014 (for erection of rear first floor balcony, introduction of new windows and alterations to the front facade of dwelling), namely increasing size of first floor balcony at rear and size of approved windows at first floor in front elevation and conversion of two residential units into single dwelling house.

  Granted Full applications Windows or glazing
  Domestic

• 23 Macklin Street London WC2B 5NN

  2014/0171/L 0m away

  Erection of rear first floor balcony, introduction of new windows and replacement of door to entrance, also; internal alteration to include new stairs and re-instatement of fireplaces

  Granted Heritage and listed buildings Windows or glazing

• 23 Macklin Street LONDON WC2B 5NN

  2018/3662/P 0m away

  Condition 4 of 2017/3982/L (sample of internal ballustrade glazing)

  Granted Full applications Windows or glazing

• 21 Macklin Street London WC2 5NN

  2013/1974/P 10m away

  Non-material amendment to planning permission dated 25/02/2013 (ref: 2012/4429/P) for the change of use of the building from office at basement and ground floors (Class B1) and maisonette on upper floors (Class C3) to three residential units (Class C3) including erection of a mansard roof extension with roof terrace and alterations to fenestration, namely to allow for alterations to basement lightwell window and door, and relocation of roof terrace access hatch.

  Granted Full applications Extension Loft or dormer +1

• 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