Lower Ground Floor 13 Chalcot Square London NW1 8YA

This site has had 2 applications since 2026: 2 approved, 0 refused.

• 2026/1108/P Granted

  Lower Ground Floor 13 Chalcot Square London NW1 8YA

  Infill rear extension, alterations to the rear garden, repair and replacement of existing windows and works to the front forecourt.

  Decided 8 Jun 2026 Full applications

1. 19 Mar 2026

   Received by Camden

2. 25 Mar 2026

   Validated

   Checked as complete and ready for consideration.

3. 8 Jun 2026

   Decision issued: Granted

4. 9 Aug 2026

   Added to PlanIndex

Camden granted permission on 8 June 2026, 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.

• Maisonette Ground 1st 2nd And 3rd Floor 13 Chalcot Square London NW1 8YA

  2026/1086/L Submitted 12 Mar 2026 50 yards away

  Repair of unoriginal windows with new double glazed panes, replacement of windows with new heritage detailed timber framed double glazed units, one new window to the rear facade, alterations to the internal layout of the property, refurbishment of the floor and wall finishes and restoration works to the front and rear facades and front forecourt.

  Granted Heritage and listed buildings Windows or glazing 2 docs

• 13 Chalcot Square London NW1 8YA

  2013/1946/L 50 yards away

  Erection of lower ground floor rear extension, installation of new windows to the rear elevation at lower ground and ground floor level and replacement of double doors and Juliet balcony with window at first floor level together with alterations to the internal layout (Class C3).

  Granted Heritage and listed buildings Extension Windows or glazing

• 13 Chalcot Square London NW1 8YA

  2010/1147/P 50 yards away

  Excavation of front extension to basement level residential flat (Class C3).

  Granted Full applications Extension

• 13 Chalcot Square London NW1 8YA

  2013/1942/L 50 yards away

  External and internal alterations associated with erection of single storey rear extension at first floor level, replacement of Juliet balcony with window and alterations to existing rear windows at ground and first floor level to residential flat (Class C3).

  Refused Heritage and listed buildings Extension Windows or glazing
  Small domestic

• 13 Chalcot Square London NW1 8YA

  2013/5964/L 50 yards away

  Details pursuant to conditions 2 (detailing) & 3 (structural engineering) of listed building consent 2010/1149/L dated 22/06/2010 (Internal alterations associated with the conversion of two existing residential flats at first, second and third floor levels to provide a single five bedroom maisonette).

  Granted Heritage and listed buildings New dwelling

• 13 Chalcot Square London NW1 8YA

  2013/1393/P 50 yards away

  Single storey rear extension at first floor level, replacement of Juliet balcony with window and alterations to existing rear windows at ground and first floor level to residential flat (Class C3).

  Refused Full applications Extension Windows or glazing
  Small domestic

• 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