4 Mansion Gardens London NW3 7NG

This site has had 3 applications since 2015: 2 approved, 0 refused.

• 2022/4944/P Withdrawn

  4 Mansion Gardens London NW3 7NG

  Erection of additional storey to existing garage and installation of PV cells on garage roof

  Decided 7 Mar 2023 Full applications
• 2014/8020/T Granted

  4 Mansion Gardens London NW3 7NG

  DD - (TPO Ref: C98) REAR GARDEN: 1 x Conifer - Remove - DD.

  Decided 3 Mar 2015 Trees

1. 30 Jan 2019

   Received by Camden

2. 5 Feb 2019

   Validated

   Checked as complete and ready for consideration.

3. 7 Mar 2019

   Decision issued: Granted

4. 22 Jul 2026

   Added to PlanIndex

5. 17 Sep 2026

   Status changed to FINAL DECISION

   Previously Final Decision.

Camden granted permission on 7 March 2019, 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.

• 4 Mansion Gardens London NW3 7NG

  2022/4944/P 50 yards away

  Erection of additional storey to existing garage and installation of PV cells on garage roof

  Withdrawn Full applications

• 4 Mansion Gardens London NW3 7NG

  2014/8020/T 50 yards away

  DD - (TPO Ref: C98) REAR GARDEN: 1 x Conifer - Remove - DD.

  Granted Trees

• 3 Mansion Gardens London NW3 7NG

  2012/6070/T 50 yards away

  DD - REAR GARDEN: 1 x Beech - Fell to ground level - DD.

  Granted Trees

• 1 Mansion Gardens Hampstead London NW3 7NG

  2010/4287/T 50 yards away

  DDD - (TPO Ref: C98) FRONT GARDEN: 1 x Birch - Fell - DDD.

  Granted Trees

• 1 Mansion Gardens London NW3 7NG

  2025/4898/P Submitted 30 Oct 2025 50 yards away

  Installation of AC unit and acoustic enclosure.

  Granted Householder 8 docs
  Domestic

• 1 Mansion Gardens London NW3 7NG

  2019/4165/T 50 yards away

  DD 5 Day Notice FRONT GARDEN: 1 x Cherry - Fell to ground level.

  Granted Trees

• 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