12 The Mount London NW3 6SZ

This site has had 10 applications since 2013: 9 approved, 0 refused.

• 2026/3788/T Awaiting decision

  12 The Mount London NW3 6SZ

  (TPO REF: C493 2004) REAR GARDEN: 1 x Walnut (T1) - Reduce crown to points of previous regular reduction points, 1m - 2m branch removal.

  Submitted 3 Sep 2026 Trees
• 2023/3439/T Granted

  12 The Mount London NW3 6SZ

  REAR GARDEN: 1 x Walnut (T1) - Reduce crown to points of previous regular reduction points, 1m - 2m.

  Decided 20 Sep 2023 Trees
• 2021/4292/T Granted

  12 The Mount London NW3 6SZ

  REAR GARDEN: 1 x Walnut (T1) - Reduce crown to previous, regular points of reduction, 2m - 3m maximum branch removal, (20%).

  Decided 8 Oct 2021 Trees
• 2018/3328/T Granted

  12 The Mount London NW3 6SZ

  (TPO Ref: C493) REAR GARDEN: 1x Walnut - reduce crown to previous reduction points

  Decided 15 Aug 2018 Trees
• 2015/6034/T Granted

  12 The Mount London NW3 6SZ

  (TPO REF C493) REAR GARDEN: 1 x Walnut - Reduce overal height and lateral spread by 1.5-1.75m

  Decided 24 Dec 2015 Trees
• 2014/2229/P Granted

  12 The Mount London NW3 6SZ

  Replacement of the front flat roof with pitched roof, installation of 2 rooflights to front and rear roofslopes, and replacement 4 rear elevation windows with new double glazed timber sash windows.

  Decided 20 May 2014 Full applications
• 2013/7446/T Granted

  12 The Mount London NW3 6SZ

  (TPO Ref: C493) REAR GARDEN: 1 x Walnut - Reduce the overall height by 2-2.5m. Reduce the lateral spread to the north east, east and south east by 2-2.5m. Clean out crown.

  Decided 16 Jan 2014 Trees
• 2013/4165/L Granted

  12 The Mount London NW3 6SZ

  Internal and external alterations in connection with the replacement of existing rooflight at rear ground floor level with new rooflight, replacement of existing ground floor windows to rear extension, replacement of timber weatherboard cladding to flank & rear walls, and addition of trellis/fencing to existing garden wall to dwelling house (Class C3), plus the removal of modern studwork and repair and re-exposure of historic panelling to internal walls, and alterations to internal layouts at ground and first floor levels.

  Decided 28 Aug 2013 Heritage and listed buildings
• 2013/4097/P Granted

  12 The Mount London NW3 6SZ

  Replacement of existing rooflight at rear ground floor level with new rooflight, replacement of existing ground floor windows to rear extension, replacement of timber weatherboard cladding to flank & rear walls, and addition of trellis/fencing to existing garden wall to dwelling house (Class C3).

  Decided 28 Aug 2013 Full applications

1. 20 May 2014

   Decision issued: Granted

2. 22 Jul 2026

   Added to PlanIndex

Camden granted permission on 20 May 2014, 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.

Listed building consent is needed for works that affect the special interest of a listed building, and carrying out such works without it is a criminal offence. More in our guide to planning application types.

• Holly Cottage 12 The Mount London NW3 6SZ

  2014/7846/P 0m away

  Alteration to existing gate opening within eastern boundary wall to form new piers, wrought iron arch, and installation of replacement timber gate.

  Granted Full applications
  Small domestic

• 12 The Mount London NW3 6SZ

  2013/7446/T 0m away

  (TPO Ref: C493) REAR GARDEN: 1 x Walnut - Reduce the overall height by 2-2.5m. Reduce the lateral spread to the north east, east and south east by 2-2.5m. Clean out crown.

  Granted Trees

• 12 The Mount London NW3 6SZ

  2018/3328/T 0m away

  (TPO Ref: C493) REAR GARDEN: 1x Walnut - reduce crown to previous reduction points

  Granted Trees

• 12 The Mount London NW3 6SZ

  2026/3788/T Submitted 3 Sep 2026 0m away

  99% historically approved · decision due ~29 Oct

  (TPO REF: C493 2004) REAR GARDEN: 1 x Walnut (T1) - Reduce crown to points of previous regular reduction points, 1m - 2m branch removal.

  Awaiting decision Trees 3 docs

• 12 The Mount London NW3 6SZ

  2013/4165/L 0m away

  Internal and external alterations in connection with the replacement of existing rooflight at rear ground floor level with new rooflight, replacement of existing ground floor windows to rear extension, replacement of timber weatherboard cladding to flank & rear walls, and addition of trellis/fencing to existing garden wall to dwelling house (Class C3), plus the removal of modern studwork and repair and re-exposure of historic panelling to internal walls, and alterations to internal layouts at ground and first floor levels.

  Granted Heritage and listed buildings Extension Loft or dormer +1
  Domestic

• Holly Cottage 12 The Mount London NW3 6SZ

  2014/7913/L 0m away

  Alteration to existing gate opening within eastern boundary wall to form new piers, wrought iron arch, and installation of replacement timber gate.

  Granted Heritage and listed buildings
  Small domestic

• 2026/0825/L Granted

  88 Frognal London NW3 6XB

  Discharge of condition 4 (a) Plan, elevation and section drawings of all new internal doors at a scale of 1:10 with typical moulding and architrave details at a scale of 1:1. b) Plan, elevation and section drawings, including jambs, head and cill, of all new windows and doors, including garage doors and windows, at a scale of 1:10 with typical glazing bar details at 1:1) of 2025/3436/L (External works comprising demolition of existing conservatory and erection of single-storey ground floor extension; demolition of existing garage and erection of replacement garage; alterations and repairs to roof; repair and minor alterations to building facade; provision of new hard and soft landscaping. Interior works comprising general remodelling works; minor changes to planform and openings; installation of new mechanical and electrical services throughout)

  2 Mar 2026 Heritage and listed buildings
• 2026/2946/L 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 Heritage and listed buildings
• 2026/3754/L Awaiting decision

  10 Great Ormond Street London Camden WC1N 3RB

  Coversion of 3 flats into 4 and internal alterations to the listed building

  2 Sep 2026 Heritage and listed buildings
• 2026/2194/L Withdrawn

  Dunboyne Road Estate Dunboyne Road London NW3 2YY

  Installation of Air Source and Water Source Heat Pumps in basement car park with associated acoustic and security enclosures; installation of PV Panels on roof of Blocks 1, 2 and 3; removal of existing gas boilers and associated plant; installation of a new estate-wide heating network including Heat Interface Units, radiators, pipework and associated infrastructure to serve Flats 1-71; excavation of trenches and installation of below-ground heating, water and electrical infrastructure; and associated ancillary works.

  29 May 2026 Heritage and listed buildings
• 2026/3773/L Awaiting decision

  47 Kelly Street London NW1 8PG

  Replacement of concrete roof tiles with slate roof tiles (Retrospective)

  28 Aug 2026 Heritage and listed buildings