17 Summerfield Avenue, London, NW6 6JT

1. 20 Oct 2025

   Received by Brent

2. 15 Dec 2025

   Decision issued: Permission Granted

3. 11 Aug 2026

   Added to PlanIndex

Brent granted permission on 15 December 2025, 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.

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.

• 27 Summerfield Avenue, London, NW6 6JT

  21/1825 Submitted 18 May 2021 0m away

  Proposed loft conversion with rear dormer windows, single storey rear and side extension with glass roof, replacement of front, side and rear windows, 1 front rooflight, raised planting and new patio at rear of dwellinghouse.

  Granted Householder Extension Loft or dormer +2 14 docs
  Small domestic

• 5 Summerfield Avenue, London, NW6 6JT

  20/3263 Submitted 12 Oct 2020 0m away

  Proposed demolition of existing rear lean-to, erection ground floor wrap-around extension; loft conversion with rear dormer window and the insertion of one front rooflight and three rear rooflights to dwellinghouse

  Granted Householder Extension Loft or dormer +2 7 docs
  Domestic

• 9 Summerfield Avenue, London, NW6 6JT

  24/2338 Submitted 21 Aug 2024 0m away

  Non-material amendment: Change position of 2nd floor front rooflight. Lower basement level to accommodate detailed floor constructions. New rear lightwell to basement. Ground floor extension rooflights rearranged. Design of rear elevation updated. 2nd floor dormer made smaller. of Full Planning Permission reference 23/1425 dated 25 October, 2023, for Proposed creation of basement level with front lightwell, single storey wraparound rear extension with internal courtyard and rear patio, loft conversion with rear dormer and 1 front rooflight, replacement of ground and first floor front windows, new front boundary treatment and associated landscaping

  Refused Amendments Extension Loft or dormer +1 12 docs
  Small domestic

• 37 Summerfield Avenue, London, NW6 6JT

  26/0267 Submitted 3 Feb 2026 0m away

  Non material amendment to allow: Change of external materials Reconfiguration of layout of single-storey side infill and rear wraparound extension of Householder planning permission application reference 24/2161 dated 18/11/2024 for Proposed single-storey side infill and rear extension to form a wraparound extension, rear dormer window extension, replacement roof coverings, replacement windows to front and rear elevations, alterations to front boundary wall, cycle and refuse storage and soft and hard landscaping to front, rear courtyard at ground floor and green roof at first floor, installation of 4x rooflights to rear outrigger and installation of 1x rooflight to front of dwellinghouse

  Refused Amendments Extension Loft or dormer +2 12 docs
  Small domestic

• 37 Summerfield Avenue, London, NW6 6JT

  26/0933 Submitted 14 Apr 2026 0m away

  Variation of condition 2, development built in accordance with approved drawings (alterations to rear extension) of Householder reference 24/2161 dated 18 November, 2024, for Proposed single-storey side infill and rear extension to form a wraparound extension, rear dormer window extension, replacement roof coverings, replacement windows to front and rear elevations, alterations to front boundary wall, cycle and refuse storage and soft and hard landscaping to front, rear courtyard at ground floor and green roof at first floor, installation of 4x rooflights to rear outrigger and installation of 1x rooflight to front of dwellinghouse

  Granted Amendments Extension Loft or dormer +2 10 docs
  Small domestic

• 3 Summerfield Avenue, London, NW6 6JT

  24/2531 Submitted 10 Sep 2024 0m away

  T1: Scotts Pine. To fell to ground level as the tree has grown too close to the house and the roots are causing cracks on the building. A Japanese Acacia will be put in its place.

  Granted Trees 2 docs

• 26/0944 Refused

  11 Briar Road, Harrow, HA3 0DP

  Retention of two-storey side extension with associated front balcony; conversion of attached garage to habitable room; part single-storey side infill extension; single-storey rear extension with raised patio; installation of 3x side rooflights & 1x rear rooflight; replacement of roof-tiles, front door, external windows, garage door and chimney stack; installation of external lighting to the front elevation; and installation of 4x retractable bollards, hardstanding, associated soft-landscaping, drainage channels and soakaway within forecourt of dwellinghouse (amended description)

  14 Apr 2026 Householder
• 26/0945 Granted

  11 Briar Road, Harrow, HA3 0DP

  Proposed two-storey side extension with associated front balcony; conversion of attached garage to habitable room; part single-storey side infill extension; single-storey rear extension with raised patio; installation of 3x side rooflights & 2x rear rooflights; replacement of roof-tiles; retention of front door; alterations to external windows; replacement of uPVC garage door with timber garage door; removal of external lighting on front elevation; reinstatement of chimney stack; and installation of hardstanding, associated soft landscaping, drainage channels and soakaway within forecourt of dwellinghouse (amended description)

  14 Apr 2026 Householder
• 26/0859 Granted

  56 Okehampton Road, London, NW10 3EP

  Proposed demolition of side garage, erection of two storey side extension, replacement of rear doors to ground floor, replacement of 4x windows and removal of 1x window and 1x door to side elevation, new front boundary wall and bin storage to front garden.

  2 Apr 2026 Householder
• 26/1190 Refused

  244 Willesden Lane, Willesden, London, NW2 5RE

  Demolition of conservatory and shed, and erection of a single-storey side infill and rear extension, installation of a door to the side elevation and erection of a new masonry side boundary wall to the dwellinghouse.

  12 May 2026 Householder
• 26/0867 Refused

  14 Mount Pleasant Road, London, NW10 3EL

  Proposed erection of boundary wall, a bin store, pedestrian and vehicular access gates, associated hard and soft landscaping to front garden (revised description)

  2 Apr 2026 Householder