36 Hollycroft Avenue London Camden NW3 7QN

1. 12 Dec 2025

   Received by Camden

2. 8 Jan 2026

   Validated

   Checked as complete and ready for consideration.

3. 5 Feb 2026

   Decision issued: Granted

4. 9 Aug 2026

   Added to PlanIndex

Camden granted permission on 5 February 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.

A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.

• 36 Hollycroft Avenue London NW3 7QN

  2026/2055/P Submitted 20 May 2026 50 yards away

  Replacement of second floor rear extension and associated external alterations to the existing dwellinghouse, including extension of the roof terrace, replacement of side dormer with conservation rooflights, alterations to side openings and entrance door, and installation of new stairwell windows.

  Granted Full applications Extension Loft or dormer +1 6 docs
  Domestic

• Flat B 36 Hollycroft Avenue London NW3 7QN

  2024/1938/P 50 yards away

  Alterations to the side elevation, including, replacement porch, fence and gate with reconfiguration of steps and path to entrance of the upper floor flat.

  Granted Full applications Extension
  Small domestic

• Flat B 36 Hollycroft Avenue London NW3 7QN

  2021/3321/P 50 yards away

  Installation of 2x conservation rooflights to either side of the gable end. Re-cladding of existing dormer in plain clay tiles and replacement of existing dormer window with painted timber window

  Withdrawn Full applications Loft or dormer Windows or glazing

• 36 Hollycroft Avenue London NW3 7QN

  2013/4741/T 50 yards away

  REAR GARDEN: 2 x Laurel - Fell to ground level. 1 x Holly - Fell to ground level. 1 x Acer - Fell to ground level.

  Granted Trees

• 36 Hollycroft Avenue London NW3 7QN

  2026/3066/P Submitted 21 Jul 2026 50 yards away

  88% historically approved · decision due ~16 Sep

  Replacement of the existing first-floor rear conservatory with a rear extension; erection of second storey rear extension; extension of the existing roof terrace above; removal of the existing side dormer and installation of three conservation-style rooflights; alterations to the side elevation including the infilling of existing openings and formation of new openings; and relocation of the side entrance door.

  Awaiting decision Householder Extension Loft or dormer 5 docs
  Small domestic

• 36 Hollycroft Avenue London NW3 7QN

  2021/5316/P 50 yards away

  Installation of 2 conservation rooflights to front gable roofslopes, re-cladding of existing front dormer in plain clay tiles and replacement of its dormer window.

  Granted Full applications Loft or dormer Windows or glazing

• 2026/4314/P Awaiting decision

  Basement Flat & Flat Raised Ground Floor 46 Primrose Hill Road London NW3 3AA

  Amalgamation of two self-contained flats to form a self-contained maisonette on lower ground and raised ground floor.

  Received 6 Oct, published by the council 9 Oct 2026 Lawful development
• 2026/4304/P Awaiting decision

  68 Clarence Way London NW1 8DG

  Erection of single storey outbuilding in rear garden.

  Received 2 Oct, published by the council 9 Oct 2026 Lawful development
• 2026/3821/P Granted

  Plots B, C and D at Highgate Studios Highgate Road London NW5 1TL

  Certificate of Lawful Development to confirm the lawful use of the site is for office use (Class E(g)(i)) and that the use of the site as a gym (Class E(d)) or any other use falling within Class E would be lawful.

  Received 4 Sep, published by the council 11 Sep 2026 Lawful development
• 2026/3389/P Granted

  99 Heath Street London NW3 6SS

  Confirmation of the implementation of planning permission 2007/3874/P granted, subject to a legal agreement dated 06/12/2007 for 'Change of use from offices (A2) to single family dwellinghouse (C3), the erection of extension at rear ground floor level within courtyard and formation of a terrace over, extension at ground floor level to western end of courtyard, creation of off-street open car parking space and minor elevational changes to The Mount elevation.', by way of erection of the extension at ground floor level to the western end of the courtyard, creation of an off-street car parking space, and minor elevational changes to the Mount elevation.

  Received 7 Aug, published by the council 15 Aug 2026 Lawful development
• 2026/2493/P Granted

  8 Fitzroy Road London Camden NW1 8TX

  Use of the entire building for a single-family home (C3 residential).

  Received 16 Jun, published by the council 24 Jul 2026 Lawful development