12 Chamberlain Street London NW1 8XB

This site has had 19 applications since 2011: 10 approved, 2 refused.

• 2011/3781/L Granted

  12 Chamberlain Street London NW1 8XB

  Installation of staircase in front basement lightwell and gates within existing railings in connection with dwellinghouse (Class C3).

  Decided 17 Jul 2018 Heritage and listed buildings
• 2013/0316/P Granted

  12 Chamberlain Street London NW1 8XB

  Installation of 1x rooflight to rear flat roof in connection with existing dwelling (Class C3).

  Decided 11 Mar 2013 Full applications
• 2013/0315/L Granted

  12 Chamberlain Street London NW1 8XB

  Installation of 1x rooflight to rear flat roof in connection with existing dwelling (Class C3).

  Decided 11 Mar 2013 Heritage and listed buildings
• 2012/0783/P Refused

  12 Chamberlain Street London NW1 8XB

  Excavation to create sub-basement level and associated internal alterations including extending staircase to existing dwellinghouse (Class C3).

  Decided 22 Mar 2012 Full applications
• 2012/0784/L Refused

  12 Chamberlain Street London NW1 8XB

  Excavation to create sub-basement level and associated internal alterations including extending staircase to existing dwellinghouse (Class C3).

  Decided 22 Mar 2012 Heritage and listed buildings
• 2012/0772/L Granted

  12 Chamberlain Street London NW1 8XB

  Enlargement of basement at rear and installation of 2 x rooflights over at ground floor level (following demolition of existing basement level conservatory and staircase to garden) all in connection with existing dwellinghouse (Class C3).

  Decided 19 Mar 2012 Heritage and listed buildings
• 2012/0771/P Granted

  12 Chamberlain Street London NW1 8XB

  Enlargement of basement at rear and installation of 2 x rooflights over at ground floor level (following demolition of existing basement level conservatory and staircase to garden) all in connection with existing dwellinghouse (Class C3).

  Decided 19 Mar 2012 Full applications
• 2012/0767/L Granted

  12 Chamberlain Street London NW1 8XB

  Alterations to pavement vaults including lowering of floor level, enlargement of vaults and installation of doors all in connection with creation of new utility room and storage to existing dwellinghouse (Class C3).

  Decided 14 Mar 2012 Heritage and listed buildings
• 2012/0766/P Granted

  12 Chamberlain Street London NW1 8XB

  Alterations to pavement vaults including lowering of floor level, enlargement of vaults and installation of doors all in connection with creation of new utility room and storage to existing dwellinghouse (Class C3).

  Decided 14 Mar 2012 Full applications
• 2012/0785/L Granted

  12 Chamberlain Street London NW1 8XB

  Internal alterations at first floor level.

  Decided 13 Mar 2012 Heritage and listed buildings

1. 4 Mar 2013

   Decision issued: Granted

2. 22 Jul 2026

   Added to PlanIndex

Camden granted permission on 4 March 2013, 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.

• 12 Chamberlain Street London NW1 8XB

  2011/3780/P 0m away

  Installation of staircase in front basement lightwell and gates within existing railings in connection with dwellinghouse (Class C3).

  Granted Full applications
  Domestic

• 12 Chamberlain Street London NW1 8XB

  2011/3776/P 0m away

  Excavation to create sub-basement level and associated internal alterations including extending staircase to existing dwellinghouse (Class C3).

  Withdrawn Full applications
  Domestic

• 12 Chamberlain Street London NW1 8XB

  2011/3777/L 0m away

  Excavation to create sub-basement level and associated internal alterations including extending staircase to existing dwellinghouse (Class C3).

  Withdrawn Heritage and listed buildings
  Domestic

• 12 Chamberlain Street London NW1 8XB

  2011/3773/P 0m away

  Enlargement of basement at rear and installation of 2 x rooflights over at ground floor level (following demolition of existing basement level conservatory and staircase to garden) all in connection with existing dwellinghouse (Class C3).

  Withdrawn Full applications Extension Loft or dormer +1
  Small domestic

• 12 Chamberlain Street London NW1 8XB

  2011/3774/L 0m away

  96% historically approved

  Enlargement of basement at rear and installation of 2 x rooflights over at ground floor level (following demolition of existing basement level conservatory and staircase to garden) all in connection with existing dwellinghouse (Class C3).

  Withdrawn Heritage and listed buildings Extension Loft or dormer +1
  Small domestic

• 12 Chamberlain Street London NW1 8XB

  2011/3771/L 0m away

  Alterations to pavement vaults including lowering of floor level, enlargement of vaults, installation of windows and steps from lobby under entrance stairs to vaults all in connection with creation of new utility room to existing dwellinghouse (Class C3).

  Withdrawn Heritage and listed buildings Windows or glazing
  Domestic

• 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