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• 2018/3010/P Withdrawn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• 2017/5238/P Withdrawn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
• 2016/4978/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• 2016/2614/P Withdrawn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. 29 Nov 2016

   Decision issued: Granted

2. 22 Jul 2026

   Added to PlanIndex

1 later application on the register refers to this one:

• 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

Camden granted permission on 29 November 2016, 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 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.

• 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

  2012/1195/T 0m 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

• 2026/2516/P Withdrawn

  31 Loveridge Road London Camden NW6 2DU

  Amalgamation of the existing three self-contained one-bedroom flats into a single-family dwelling house; demolition and replacement of existing outrigger; erection of a single-storey rear wrap-around extension; erection of a rear dormer extension; creation of a roof terrace above outrigger; replacement of existing windows with timber double glazed units; installation of rooflights to front roofslope; and installation of an air source heat pump in rear garden.

  16 Jun 2026 Full applications
• 2026/3830/P Awaiting decision

  Euston Tower 286 Euston Road London NW1 3DP

  Deed of variation to allow more flexibility with Affordable housing payments for redevelopment of Euston Tower comprising retention of parts of the existing building (including central core, basement and foundations) and erection of a new building incorporating these retained elements, to provide a 32-storey mixed-use building providing offices and research and development floorspace (Class E(g)) and office, retail, café and restaurant space (Class E) and Enterprise Space (Class E/F) at ground and first floors, and associated external terraces; public realm enhancements, including new landscaping and provision of new publicly accessible steps and ramp; short and long stay cycle storage; servicing; refuse storage; plant and other ancillary and associated work.

  4 Sep 2026 Full applications
• 2026/3282/P Granted

  5 Berkley Road London NW1 8XX

  Installation of 1no. above ground gas riser from the basement flat to the meter box at first floor (retrospective)

  31 Jul 2026 Full applications
• 2026/0483/P Granted

  100 Avenue Road London NW3 3HF

  Discharge of details for condition 47 (surface water run off details) of planning permission 2026/0404/P granted on 19/06/2026 for " Variation of conditions (2 plan numbers); 8 (quantum of commercial space); 13 (commercial windows); 15 (Wind Microclimate); 19 (commercial windows); 24 (Air quality); 34 (development quantum); 40 (Circular Economy); 44 (designing out crime); 45 (Fire Strategy); 46 (SuDS); 48 (Community facility removed), 48 (wheelchair units), 49 (TfL health and safety) to planning permission ref. 2025/0852/P (for demolition of building and provision of a mixed-use residential-led development) to secure alterations to the external appearance; internal residential and commercial space layouts; omission of community floorspace and increased affordable housing provision; cycle and car parking; hard and soft landscaping, and other associated amendments”

  9 Feb 2026 Full applications
• 2026/2697/P Awaiting decision

  Flat 1, 73 Eton Avenue London NW3 3EU

  Replacement of existing defective rear lean-to conservatory with a new slimline powder-coated aluminium framed conservatory with clear double glazing, on the exact same footprint as existing.

  3 Sep 2026 Full applications