Upper Maisonette 49 Frederick Street London WC1X 0NB

This site has had 2 applications since 2014: 2 approved, 0 refused.

• 2014/6368/P Granted

  Upper Maisonette 49 Frederick Street London WC1X 0NB

  Replacement of existing dormer window with new double glazed casement window, installation of new conservation roof light to front roof slope and installation of satellite dish to rear at roof level.

  Decided 25 Nov 2014 Full applications

1. 25 Nov 2014

   Decision issued: Granted

2. 22 Jul 2026

   Added to PlanIndex

Camden granted permission on 25 November 2014, 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.

• 49 Frederick Street London WC1X 0NB

  2012/6298/P 0m away

  Details of the design of building foundations and layout required by condition 5 of Planning Permission Ref: 2012/4157/P dated 01/11/2012 for the erection of single storey rear extension and installation of new doors within front lightwell all in connection with existing maisonette (Class C3)

  Granted Full applications Extension
  Small domestic

• Upper Maisonette 49 Frederick Street London WC1X 0NB

  2014/6368/P 0m away

  Replacement of existing dormer window with new double glazed casement window, installation of new conservation roof light to front roof slope and installation of satellite dish to rear at roof level.

  Granted Full applications Loft or dormer Windows or glazing

• 49 A Frederick Street London WC1X 0NB

  2012/4157/P 0m away

  Erection of single storey rear extension and installation of new doors within front lightwell all in connection with existing maisonette (Class C3)

  Granted Full applications Extension
  Small domestic

• 49A Frederick Street London WC1X 0NB

  2012/4159/L 0m away

  Erection of single storey rear extension, installation of new doors within front lightwell and associated internal alterations to ground and basement level in connection with existing maisonette (Class C3)

  Granted Heritage and listed buildings Extension
  Small domestic

• 49 Frederick Street London WC1X 0NB

  2013/0420/P 0m away

  Installation of 1 x telecommunications equipment cabinet on the public footpath.

  Granted Full applications

• 47 Frederick Street Camden London WC1X 0NB

  2016/1802/L 6m away

  Installation of secondary glazing to sash windows at 1st and 2nd floor levels

  Granted Heritage and listed buildings Windows or glazing

• 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