1 Holly Mount London Camden NW3 6SG

1. 22 Jul 2026

   Added to PlanIndex

2. Decision

   Awaiting decision

   The statutory target is eight weeks for most applications and thirteen for major development. Extensions of time are common.

   Camden took a median of 43 days over the applications it decided in the last year.

This application is with Camden for determination, against a statutory target of eight weeks. Over the last year Camden decided full applications in a median of 61 days. More in our guide to how long planning decisions take.

A full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.

• 1 Holly Mount London NW3 6SG

  2025/3084/L 50 yards away

  96% historically approved

  Removal of existing rear conservatory and non-original timber doors. Erection of a single storey extension, new glazing and metal railings and minor internal and external alterations.

  Awaiting decision Heritage and listed buildings Extension Windows or glazing
  Small domestic

• 3 Holly Mount London Camden NW3 6SG

  2026/2942/L Submitted 13 Jul 2026 50 yards away

  96% historically approved · decision due ~7 Sep

  Erection of mansard roof extension, raising of chimneys, opening of second-floor rear window, as well as internal works including removing of partition walls and expansion staircase

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

• 3 Holly Mount London Camden NW3 6SG

  2026/2623/P Submitted 23 Jun 2026 50 yards away

  88% historically approved · decision due ~7 Sep

  Erection of mansard roof extension, raising of chimneys, opening of second-floor rear window, as well as various internal works

  Awaiting decision Householder Extension Loft or dormer +1 29 docs
  Domestic

• 3 Holly Mount London NW3 6SG

  2025/2158/L 50 yards away

  96% historically approved

  Proposed internal alterations to the Ground floor and Lower ground floor. External alterations include; enclosure of the rear areaway, widening of openings at Ground floor, construction of parapet wall to the rear closet wing, reinstate window arch at 1st floor, installation of rooflight to the rear bathroom.

  Awaiting decision Heritage and listed buildings Loft or dormer Windows or glazing

• 3 Holly Mount London Camden NW3 6SG

  2025/2123/P 50 yards away

  92% historically approved

  Proposed internal alterations to the Ground floor and Lower ground floor. External alterations include; enclosure of the rear areaway, widening of openings at Ground floor, construction of parapet wall to the rear closet wing, reinstate window arch at 1st floor, installation of rooflight to the rear bathroom.

  Awaiting decision Full applications Loft or dormer Windows or glazing

• 3 Holly Mount London Camden NW3 6SG

  2026/0299/L Submitted 26 Jan 2026 50 yards away

  Widening of the opening between the front and the rear room at ground floor level.

  Granted Heritage and listed buildings 13 docs

• 2026/3197/P Granted

  Flat 1 35 Belsize Park Gardens London NW3 4JJ

  To the front, removal of existing roller shutters to bay window and replacement of doors to front of bay with sash window, slight re-centring of metal entrance gate to other side of entrance stairs. To the side, installation of two new windows, increasing the size of one existing window, adjustment to entrance door and installation of decorative door detailing. To the rear, replacement of existing timber bi-fold doors with aluminium bi-fold doors, and replacement of existing rear bay doors with sash window. Thermal upgrade of glazing throughout.

  Received 28 Jul, published by the council 15 Aug 2026 Full applications
• 2026/3105/P Granted

  Basement Flat 8 Gayton Crescent London NW3 1TT

  Erection of single storey rear and side infill extension at lower ground level and associated works.

  Received 12 Aug, published by the council 16 Aug 2026 Full applications
• 2026/2311/P Granted

  33-35 Jamestown Road London NW1 7DB

  Details to discharge Condition 17 (Green Roof Details) of planning permission ref. 2024/4953/P dated 30/07/25 for 'Demolition of existing buildings and structures to facilitate redevelopment comprising a Purpose Built Student Accommodation (Sui Generis) block over the basement, ground, plus five storeys and sixth-floor plant room with flexible commercial (Class E) on the ground floor and a residential (Class C3) block over the ground plus five storeys. Each block has two private courtyards with hard and soft landscaping, cycle parking, and associated works'.

  Received 5 Jun, published by the council 24 Jul 2026 Full applications
• 2026/4306/P Awaiting decision

  5 Pratt Street London NW1 0AE

  Test

  Received 2 Oct, published by the council 6 Oct 2026 Full applications
• 2026/4039/P Granted

  8 Gayton Crescent London NW3 1TT

  Details required by condition 4 (blind boxes) of planning permission 2026/0509/P dated 18/05/2026 (for: Erection of second floor side extension, enlargement of existing rear dormer, insertion of roof lights to front and side roofslopes, installation of replacement windows and doors and creation of new window openings on side elevation, replacement of main roof coverings, installation of new stairs to front lightwell, and reconstruction of front steps and installation of railings, reconstruction of rear retaining walls and installation of railings, blind boxes, and awning to the rear.).

  Received 17 Sep, published by the council 28 Sep 2026 Full applications