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
• 2017/5238/P Withdrawn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• 2016/2614/P Withdrawn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
• 2012/1195/T Granted

  11 Mansion Gardens London NW3 7NG

  (TPO Ref: C98) FRONT GARDEN: 2 x Silver Birch - Reduce crown by 15% and reshape. 1 x Pine - Reduce crown by 15% and reshape. 2 x Yew Hedge - Reduce crown by 15% and reshape. 1 x Hedge - Reduce in height to 7ft from inside and trim both sides to tidy.

  Decided 26 Mar 2012 Trees

1. 26 Jun 2018

   Received by Camden

2. 6 Jul 2018

   Validated

   Checked as complete and ready for consideration.

3. 20 Jan 2021

   Decision issued: Withdrawn Decision

4. 22 Jul 2026

   Added to PlanIndex

5. 30 Sep 2026

   Status changed to WITHDRAWN

   Previously Withdrawn.

The applicant withdrew this application before Camden decided it, and is free to submit a revised scheme at any time. More in our guide to what happens after a planning decision.

Householder applications cover work to an existing house and its garden, such as extensions, lofts and outbuildings, and cannot create a separate dwelling or change what the building is used for. More in our guide to planning application types.

• 11 Mansion Gardens London NW3 7NG

  2017/5514/P Submitted 3 Oct 2017 50 yards 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 10 docs
  Small domestic

• 11 Mansion Gardens London NW3 7NG

  2016/4976/P 50 yards 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 50 yards 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 50 yards away

  Installation of 3 x external air conditioning units (retrospective)

  Withdrawn Full applications

• 11 Mansion Gardens London NW3 7NG

  2012/1195/T 50 yards away

  (TPO Ref: C98) FRONT GARDEN: 2 x Silver Birch - Reduce crown by 15% and reshape. 1 x Pine - Reduce crown by 15% and reshape. 2 x Yew Hedge - Reduce crown by 15% and reshape. 1 x Hedge - Reduce in height to 7ft from inside and trim both sides to tidy.

  Granted Trees

• 11 Mansion Gardens London NW3 7NG

  2025/5379/T Submitted 26 Nov 2025 50 yards 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

• 2026/4031/P Awaiting decision

  10 Albert Street London NW1 7NZ

  Erection of an extension to widen rear dormer window at second floor.

  Received 2 Oct, published by the council 6 Oct 2026 Householder
• 2026/3231/P Granted

  9 Wadham Gardens London NW3 3DN

  Replacement rear timber casement window, installation of timber-panelled side access door, replacement of existing front boundary gates and piers, installation of metal railings, provision of reclaimed Yorkstone paving to the front garden and associated works.

  Received 30 Jul, published by the council 9 Aug 2026 Householder
• 2026/4030/P Awaiting decision

  6 Leverton Street London NW5 2PJ

  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 Householder
• 2026/3493/P Granted

  2 Wildwood Terrace London NW3 7HT

  Enlargement of the existing rear French doors and single-leaf door at lower ground floor level, together with the replacement of five rear timber sash windows.

  Received 14 Aug, published by the council 22 Aug 2026 Householder
• 2026/2003/P Granted

  23 Glenmore Road London NW3 4BY

  Installation of external AC unit with acoustic enclosure to rear garden.

  Received 29 May, published by the council 24 Jul 2026 Householder