1 Sedgecombe Avenue, Harrow, HA3 0HW

This site has had 3 applications since 2025: 1 approved, 2 refused.

• 25/3193 Refused

  1 Sedgecombe Avenue, Harrow, HA3 0HW

  Prior approval for a single storey rear extension to dwellinghouse, in metres: Extending beyond the rear wall of the original house - 6.00m Maximum height - 3.00m Eaves height - 2.80m

  Decided 19 Dec 2025 Prior approval
• 25/2926 Refused

  1 Sedgecombe Avenue, Harrow, HA3 0HW

  Prior approval for a single storey rear extension to dwellinghouse, in metres: Extending beyond the rear wall of the original house - 4.5m Maximum height - 3.0m Eaves height -2.80m

  Decided 22 Oct 2025 Prior approval

1. 23 Feb 2026

   Received by Brent

2. 2 Mar 2026

   Validated

   Checked as complete and ready for consideration.

3. 27 Apr 2026

   Decision issued: Permission Granted

4. 10 Aug 2026

   Added to PlanIndex

Brent granted permission on 27 April 2026, 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.

• 45 Sedgecombe Avenue, Harrow, HA3 0HW

  21/2853 Submitted 23 Jul 2021 0m away

  Proposed conversion of garage into a workshop, construction of two storey side extension and single storey rear extension, hip to gable loft conversion with a rear dormer window and extraction of chimney stack to the dwellinghouse.

  Granted Householder Extension Loft or dormer +1 17 docs
  Small domestic

• 7 Sedgecombe Avenue, Harrow, HA3 0HW

  21/0214 Submitted 22 Jan 2021 0m away

  Certificate of lawfulness for proposed hip to gable roof extension with rear facing dormer, 3 front rooflights, a Juliet balcony and a single storey outbuilding in rear garden of the dwellinghouse.

  Granted Lawful development Extension Loft or dormer 10 docs
  Small domestic

• 1 Sedgecombe Avenue, Harrow, HA3 0HW

  25/3193 Submitted 14 Nov 2025 0m away

  Prior approval for a single storey rear extension to dwellinghouse, in metres: Extending beyond the rear wall of the original house - 6.00m Maximum height - 3.00m Eaves height - 2.80m

  Refused Prior approval Extension 5 docs
  Small domestic

• 1 Sedgecombe Avenue, Harrow, HA3 0HW

  25/2926 Submitted 15 Oct 2025 0m away

  Prior approval for a single storey rear extension to dwellinghouse, in metres: Extending beyond the rear wall of the original house - 4.5m Maximum height - 3.0m Eaves height -2.80m

  Refused Prior approval Extension 4 docs
  Small domestic

• 7 Sedgecombe Avenue, Harrow, HA3 0HW

  21/0215 Submitted 22 Jan 2021 0m away

  Demolition of attached side garage and erection of a single-storey side to rear extension to dwellinghouse (amended description)

  Granted Householder Extension Demolition 8 docs
  Small domestic

• 8 Sedgecombe Avenue, Harrow, HA3 0HL

  21/1688 Submitted 7 May 2021 57m away

  Proposed single storey rear extension, pitched roof to existing rear extension, replacement of rear garden doors, erection of conservatory and canopy to rear, new wall and slope in rear garden of dwellinghouse

  Refused Householder Extension 6 docs
  Small domestic

• 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