45 Calthorpe Street LONDON WC1X 0HG

This site has had 2 applications since 2011: 0 approved, 2 refused.

• 2011/4464/P Refused

  45 Calthorpe Street LONDON WC1X 0HG

  Erection of an external access staircase to rear elevation from lower ground to ground floor level and associated alterations to include the replacement of existing rear window with new door and the blocking of existing rear door at ground floor level to residential flat (Class C3).

  Decided 24 Nov 2011 Full applications

1. 24 Nov 2011

   Decision issued: Refused

2. 22 Jul 2026

   Added to PlanIndex

This application is at appeal, which passes the decision from Camden to the planning inspectorate, and the outcome will replace the council's decision. 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.

• 45 Calthorpe Street LONDON WC1X 0HG

  2011/4464/P 0m away

  Erection of an external access staircase to rear elevation from lower ground to ground floor level and associated alterations to include the replacement of existing rear window with new door and the blocking of existing rear door at ground floor level to residential flat (Class C3).

  Refused Full applications Windows or glazing

• 5 Pakenham Street London WC1X 0LG

  2019/5486/P 17m away

  Erection of a single storey rear extension.

  Granted Full applications Extension
  Small domestic

• 51 Calthorpe Street London WC1X 0HH

  2023/4304/P Submitted 9 Oct 2023 29m away

  Details pursuant to conditions 4 (materials) and 14c (remediation) of planning permission 2022/3908/P dated 19 July 2023 for the Change of use from offices (Class B1a) to create a mixed use scheme of office use (Class B1a) and 8 self-contained flats (Class C3) (2x 1 bed, 4x 2 bed and 2x 3 bed); mansard roof extension to main building; roof extension to rear part of building; creation of internal mezzanine floors; excavation to create basement; associated works.

  Granted Full applications New dwelling Extension +1 3 docs

• 51 Calthorpe Street London WC1X 0HH

  2015/3049/P 29m away

  Change of use from offices (Class B1a) to residential (Class C3) to create 13x self-contained flats (4x 1-bed; 4x 2-bed; 3x 3-bed; 2x 4-bed); mansard roof extension to main building; roof extension to rear part of building; creation of internal mezzanine floors; excavation to create basement; associated works

  Granted Full applications New dwelling Extension +1

• 51 Calthorpe Street London WC1X 0HH

  2022/1297/P 29m away

  Variation of Condition 2 (Approved Plans) granted under planning reference 2018/1142/P dated 26/01/22 for (Change of use from offices (Class B1a) to create a mixed use scheme of office use (Class B1a) and 8 self-contained flats (Class C3) (2x 1 bed, 4x 2 bed and 2x 3 bed); mansard roof extension to main building; roof extension to rear part of building; creation of internal mezzanine floors; excavation to create basement; associated works) to involve changes: consolidating the design of the mansard roof, enabling lift access at third floor level and minor changes to the layout of some of the flats in the building.

  Granted Full applications New dwelling Extension +1

• 51 Unit A Calthorpe Street London Camden WC1X 0HH

  2022/2404/P 29m away

  Details pursuant to Condition 5 (Hard and soft landscape details), 9 (Green roof details), 10 (Chartered engineer details), 14A & 14B (Preliminary risk assessment) & (Site investigation scheme) granted under planning permission reference 2018/1142/P dated 26/01/22 for Change of use from offices (Class B1a) to create a mixed use scheme of office use (Class B1a) and 8 self-contained flats (Class C3) (2x 1 bed, 4x 2 bed and 2x 3 bed); mansard roof extension to main building; roof extension to rear part of building; creation of internal mezzanine floors; excavation to create basement; associated works

  Granted Full applications New dwelling Extension +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