42 Birchen Grove, London, NW9 8SA

1. 12 Aug 2025

   Received by Brent

2. 19 Aug 2025

   Validated

   Checked as complete and ready for consideration.

3. 2 Feb 2026

   Decision issued: Permission Granted

4. 11 Aug 2026

   Added to PlanIndex

Permission has been granted, usually subject to conditions listed on the decision notice, some of which must be discharged before work starts. The decision notice on the council portal sets out exactly what was approved.

Work must normally begin within three years of the decision or the permission lapses. Neighbours cannot appeal a grant; challenging one means judicial review of how the decision was made, within tight time limits.

Householder applications cover work to an existing house and its garden: extensions, loft and garage conversions, porches, outbuildings and similar alterations within the boundary of the home. They cannot be used to create a separate dwelling or change what the building is used for. Councils aim to decide them within eight weeks, and immediate neighbours are usually notified and given a chance to comment.

More on householder applications in our guide

• 42 Birchen Grove, London, NW9 8SA

  26/0366 Submitted 14 Feb 2026 0m away

  83% historically approved · decision due ~11 May

  Variation of condition 2 (Approved Drawings) to allow increased set back and increase in roof height to two storey side extension of Householder application reference 25/0165 dated 23/05/2025 for Demolition of garage/side extension and erection of a single and two storey side and rear extension, rear dormer window and roof extension to dwellinghouse.

  Awaiting decision Amendments Extension Loft or dormer +2 9 docs
  Domestic

• 46 Birchen Grove, London, NW9 8SA

  26/1342 Submitted 28 May 2026 0m away

  85% historically approved · decision due ~7 Aug

  Proposed demolition of existing side garage, erection of part single part two storey side to rear extension, front porch extension, rear dormer extension and removal of chimney stack to the dwellinghouse.

  Awaiting decision Householder Extension Loft or dormer +1 6 docs
  Small domestic

• 46 Birchen Grove, London, NW9 8SA

  25/2753 Submitted 29 Sep 2025 0m away

  Proposed single storey outbuilding in rear garden of the dwellinghouse.

  Refused Full applications 8 docs
  Small domestic

• 22 & 22A Birchen Grove, London, NW9 8SA

  25/2559 Submitted 8 Sep 2025 0m away

  Proposed de-conversion of 2x self-contained flats into 1x single-family dwellinghouse, erection of single-storey rear extension with raised terrace, hip to gable-end roof extension, rear dormer with Juliet balcony, 2x front rooflights, 1x second-floor side window, alteration to single-storey side extension roof and front porch (amended description)

  Granted Full applications New dwelling Extension +2 10 docs
  Small domestic

• Flats 1-6 inc, 10 Blackbird Court, Birchen Grove, London, NW9 8SA

  25/2471 Submitted 29 Aug 2025 0m away

  Change of use from x6 studio flats to a 5 bed/5 persons HMO with alterations to front elevation, associated cycle storage and soft landscaping to rear garden

  Granted Full applications New dwelling 10 docs

• 84 Birchen Grove, London, NW9 8SA

  26/0484 Submitted 25 Feb 2026 0m away

  Proposed vehicular crossover and provision of 2x off street parking spaces to the front of the property.

  Refused Full applications 12 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