12 The Mount London NW3 6SZ

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

• 2026/3788/T Granted

  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.

  Decided 30 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 50 yards 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 50 yards 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

  2026/3788/T Submitted 3 Sep 2026 50 yards away

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

  Granted Trees 4 docs

• 12 The Mount London NW3 6SZ

  2013/4165/L 50 yards 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 50 yards 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

• 12 The Mount London NW3 6SZ

  2021/4292/T 50 yards away

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

  Granted Trees

• 2026/1141/L Granted

  25 John Street London WC1N 2BS

  Internal and external alterations to partition layout at basement, supporting structures and external ground level, and alterations to design of conservatory, windows and doors granted under listed building consent 2024/0338/L dated 06/08/2024.

  Received 26 Mar, published by the council 24 Jul 2026 Heritage and listed buildings
• 2025/1781/L Granted

  Frognal Rise House Lower Terrace London NW3 6RE

  Demolition of existing garage and interlinking gallery and replacement with new garage and garden room with link, new basement floor below garden, alterations to main house including replacement windows including reinstated oriel window and new French doors to entrance elevation, new roofing to side wing, new portico and replacement door to front elevation, enlargement of existing lightwell, replacement gates and canopy over entrance gate, restorations of boundary treatments, associated internal alterations including partial underpinning works and other minor alterations.

  Received 22 Apr, published by the council 22 Jul 2026 Heritage and listed buildings
• 2026/4129/L Awaiting decision

  6 Leverton Street London NW5 2PJ

  Strip out kitchen including floor tiles and replace; replace plumbing and flooring in rear ensuite; replace plumbing in front ensuite and WC; replace internal doors; 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 Heritage and listed buildings
• 2026/1686/L Granted

  Flat Ground and 1st Floor and Flat 2nd and 3rd Floor 14 Downshire Hill London NW3 1NR

  External and internal alterations in connection with conversion of two self-contained flats into a single-family dwellinghouse, including new doors at rear ground and second floor level, replacement windows at rear second and third floors level, removal of internal partitions, extending the stair handrail, and replacement internal doors, parquet flooring, skirting, architraves, cornicing, and fittings.

  Received 19 May, published by the council 24 Jul 2026 Heritage and listed buildings
• 2026/2202/L Refused

  4 Hampstead Square London NW3 1AB

  Erection of conservatory to front elevation.

  Received 27 May, published by the council 24 Jul 2026 Heritage and listed buildings