11 Mansion Gardens London NW3 7NG

This site has had 10 applications since 2012: 5 approved, 2 refused.

• 2025/5379/T Granted

  11 Mansion Gardens London NW3 7NG

  (TPO REF: A1) FRONT GARDEN: Mixed Holly, Yew, Hawthorn and Ivy Group (G1) - Reduce lateral and sub lateral growth which encroaches over the road and towards the house by approx. 1.4m - 1.7m, reducing overlong branches back into a more compact group form.

  Decided 9 Jan 2026 Trees
• 2018/3010/P Withdrawn

  11 Mansion Gardens London NW3 7NG

  Formation of a single car parking space to the garden

  Decided 20 Jan 2021 Full applications
• 2017/5238/P Withdrawn

  11 Mansion Gardens London NW3 7NG

  Installation of 3 x external air conditioning units (retrospective)

  Decided 20 Jan 2021 Full applications
• 2017/5514/P Granted

  11 Mansion Gardens London NW3 7NG

  Submission of fencing details as required by condition 4 (a + b) of planning permission 2016/4977/P (dated 29/11/2016) for the 'Conversion of garage into habitable room; erection of boundary fence; alterations to fenestrations at ground floor level and installation of rear dormer window to dwelling'

  Decided 4 Dec 2017 Full applications
• 2017/0896/P Refused

  11 Mansion Gardens London NW3 7NG

  Alteration to landscaping of side garden to provide no.1 off street parking space and erection of timber fence to boundary of dwellinghouse (Use Class C3) (part retrospective)

  Decided 25 Jul 2017 Full applications
• 2016/4976/P Granted

  11 Mansion Gardens London NW3 7NG

  Alterations to dwellinghouse including the erection of raised decking / fencing to rear ground floor and installation of Jacuzzi; extension to 1st floor rear terrace and replacement balustrade; recladding section of rear elevation; installation of 2 rear rooflights (retrospective).

  Decided 20 Dec 2016 Full applications
• 2016/4977/P Granted

  11 Mansion Gardens London NW3 7NG

  Conversion of garage into habitable room; erection of boundary fence; alterations to fenestrations at ground floor level and installation of rear dormer window to dwelling (C3) (part retrospective)

  Decided 29 Nov 2016 Full applications
• 2016/4978/P Refused

  11 Mansion Gardens London NW3 7NG

  Erection of single storey conservatory to side of dwellinghouse (C3)

  Decided 11 Nov 2016 Full applications
• 2016/2614/P Withdrawn

  11 Mansion Gardens London NW3 7NG

  Convert garage to ground floor accommodation, erect conservatory to the side, hard standing area for car parking, alterations to fencing and front door

  Decided 29 Jul 2016 Full applications

1. 26 Mar 2012

   Decision issued: Approve Works (TPO)

2. 22 Jul 2026

   Added to PlanIndex

Camden granted permission on 26 March 2012, 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.

Applications for works to trees cover protected trees: consent under a tree preservation order, or six weeks notice for trees in a conservation area. More in our guide to planning application types.

• 11 Mansion Gardens London NW3 7NG

  2018/3010/P 0m away

  Formation of a single car parking space to the garden

  Withdrawn Full applications

• 11 Mansion Gardens London NW3 7NG

  2017/5514/P 0m away

  Submission of fencing details as required by condition 4 (a + b) of planning permission 2016/4977/P (dated 29/11/2016) for the 'Conversion of garage into habitable room; erection of boundary fence; alterations to fenestrations at ground floor level and installation of rear dormer window to dwelling'

  Granted Full applications Loft or dormer Windows or glazing
  Small domestic

• 11 Mansion Gardens London NW3 7NG

  2016/4976/P 0m away

  Alterations to dwellinghouse including the erection of raised decking / fencing to rear ground floor and installation of Jacuzzi; extension to 1st floor rear terrace and replacement balustrade; recladding section of rear elevation; installation of 2 rear rooflights (retrospective).

  Granted Full applications Extension Loft or dormer
  Domestic

• 11 Mansion Gardens London NW3 7NG

  2016/4978/P 0m away

  Erection of single storey conservatory to side of dwellinghouse (C3)

  Refused Full applications Extension
  Small domestic

• 11 Mansion Gardens London NW3 7NG

  2017/5238/P 0m away

  Installation of 3 x external air conditioning units (retrospective)

  Withdrawn Full applications

• 11 Mansion Gardens London NW3 7NG

  2025/5379/T Submitted 26 Nov 2025 0m away

  (TPO REF: A1) FRONT GARDEN: Mixed Holly, Yew, Hawthorn and Ivy Group (G1) - Reduce lateral and sub lateral growth which encroaches over the road and towards the house by approx. 1.4m - 1.7m, reducing overlong branches back into a more compact group form.

  Granted Trees 3 docs

• 2026/3175/T Granted

  10 Ellerdale Road London NW3 6BB

  REAR GARDEN: 1 x Holly (T1) - Remove 3 branches over No 8 to lift crown over garden to give 4m clearance from ground level.

  6 Aug 2026 Trees
• 2026/3819/T Awaiting decision

  8 Downshire Hill London NW3 1NR

  REAR GARDEN: 1 x Palm (T1) - Fell to ground level.

  4 Sep 2026 Trees
• 2026/3786/T Awaiting decision

  16 Shirlock Road London NW3 2HS

  FRONT GARDEN: 1 x Lime (T1) - Fell to ground level. REAR GARDEN: 1 x Philadelphus (T2) - reduce height to approx. 1m from ground level. 1 x Wigela (T3) - Fell to ground level. 1 x Viburnum (T4) - Reduce height to approx. 2m from ground level.

  3 Sep 2026 Trees
• 2026/3789/T Awaiting decision

  8 Boscastle Road London NW5 1EG

  REAR GARDEN: 1 x Pear (T1)- Reduce crown by up to 2.5m, not beyond previous points of reduction. 1 x Pear (T3) - Reduce crown by up to 2.5m,

  3 Sep 2026 Trees
• 2026/3797/T Awaiting decision

  Belsize Court Wedderburn Road London NW3 5QN

  FRONT AREA (SEE MAP): 1 x Crab Apple (T31) - Crown reduce by 3m - 4m to approx. red lines in photo. 1 x London Plane (T44) - Crown reduce lower canopy overhanging road by 3m - 4m to balance crown.

  3 Sep 2026 Trees