Flat A 66 Delancey Street London NW1 7RY

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

• 2021/2720/L Granted

  Flat A 66 Delancey Street London NW1 7RY

  Installation of temporary internal secondary glazing to two windows and two mechanical ventilation units to the front of the building at basement and ground floor level for noise mitigation works during construction of the HS2 railway.

  Decided 20 Jul 2021 Heritage and listed buildings

1. 19 Apr 2022

   Decision issued: Granted

2. 22 Jul 2026

   Added to PlanIndex

Camden granted permission on 19 April 2022, 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.

• Flat B 66 Delancey Street London NW1 7RY

  2021/2721/L 50 yards away

  Installation of temporary internal secondary glazing to four windows and three mechanical ventilation units to the front of the building at first and second floor level for noise mitigation works during construction of the HS2 railway.

  Granted Heritage and listed buildings Windows or glazing

• Flat A 66 Delancey Street London NW1 7RY

  2021/2720/L 50 yards away

  Installation of temporary internal secondary glazing to two windows and two mechanical ventilation units to the front of the building at basement and ground floor level for noise mitigation works during construction of the HS2 railway.

  Granted Heritage and listed buildings Windows or glazing

• 64, Delancey Street London NW1 7RY

  2018/3841/P Submitted 8 Aug 2018 50 yards away

  Erection of 2 storey rear infill extension at lower ground and ground floor including lowering of adjacent garden level; erection of single storey rear extension at 1st floor above existing closet wing; installation of 2 x front dormer windows; replacement of existing sash windows with double glazed sash replacements; new York stone front steps; and internal alterations including refurbishment and changes to partition walls.

  Withdrawn Full applications Extension Loft or dormer +1 24 docs
  Small domestic

• 64 Delancey Street London NW1 7RY

  2019/1135/L Submitted 18 Feb 2019 50 yards away

  Erection of lower ground and first floor rear extensions involving excavation within rear garden and lowering of lower ground floor level; removal of metal staircase to front basement lightwell and replacement with York stone steps; general refurbishment of interiors and replacement of front dormer window.

  Granted Heritage and listed buildings Extension Loft or dormer +1 2 docs

• 64, Delancey Street London NW1 7RY

  2018/4337/L Submitted 8 Aug 2018 50 yards away

  Erection of 2 storey rear infill extension at lower ground and ground floor including lowering of adjacent garden level; erection of single storey rear extension at 1st floor above existing closet wing; installation of 2 x front dormer windows; replacement of existing sash windows with double glazed sash replacements; new York stone front steps; and internal alterations including refurbishment and changes to partition walls.

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

• 64 Delancey Street London NW1 7RY

  2019/0935/P Submitted 18 Feb 2019 50 yards away

  Erection of lower ground and first floor rear extensions involving excavation within rear garden and lowering of lower ground floor level; removal of metal staircase to front basement lightwell and replacement with York stone steps; general refurbishment of interiors and replacement of front dormer window.

  Granted Full applications Extension Loft or dormer +1 50 docs

• 2026/1141/L Granted

  25 John Street London WC1N 2BS

  Internal and external alterations to partition layout at basement, supporting structures and external ground level, and alterations to design of conservatory, windows and doors granted under listed building consent 2024/0338/L dated 06/08/2024.

  Received 26 Mar, published by the council 24 Jul 2026 Heritage and listed buildings
• 2025/1781/L Granted

  Frognal Rise House Lower Terrace London NW3 6RE

  Demolition of existing garage and interlinking gallery and replacement with new garage and garden room with link, new basement floor below garden, alterations to main house including replacement windows including reinstated oriel window and new French doors to entrance elevation, new roofing to side wing, new portico and replacement door to front elevation, enlargement of existing lightwell, replacement gates and canopy over entrance gate, restorations of boundary treatments, associated internal alterations including partial underpinning works and other minor alterations.

  Received 22 Apr, published by the council 22 Jul 2026 Heritage and listed buildings
• 2026/4129/L Awaiting decision

  6 Leverton Street London NW5 2PJ

  Strip out kitchen including floor tiles and replace; replace plumbing and flooring in rear ensuite; replace plumbing in front ensuite and WC; replace internal doors; replace garden wall with metal railing; replace 3 rear windows, 3 rear elevation side windows, 1 rear door and 1 rear elevation side door with double-glazed crittal windows and doors; remove 2 rear windows; render rear elevation brickwork; and associated works.

  Received 1 Oct, published by the council 9 Oct 2026 Heritage and listed buildings
• 2026/1686/L Granted

  Flat Ground and 1st Floor and Flat 2nd and 3rd Floor 14 Downshire Hill London NW3 1NR

  External and internal alterations in connection with conversion of two self-contained flats into a single-family dwellinghouse, including new doors at rear ground and second floor level, replacement windows at rear second and third floors level, removal of internal partitions, extending the stair handrail, and replacement internal doors, parquet flooring, skirting, architraves, cornicing, and fittings.

  Received 19 May, published by the council 24 Jul 2026 Heritage and listed buildings
• 2026/2202/L Refused

  4 Hampstead Square London NW3 1AB

  Erection of conservatory to front elevation.

  Received 27 May, published by the council 24 Jul 2026 Heritage and listed buildings