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 50 yards 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 50 yards 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 50 yards 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 50 yards 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 50 yards 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

• 26 Sedgecombe Avenue, Harrow, HA3 0HL

  21/3651 Submitted 27 Sep 2021 50 yards away

  Prior approval for a single storey rear extension to dwellinghouse, in metres: Extending beyond the rear wall of the original house - 6m Maximum height - 3.3m Eaves height - 3m

  Refused Prior approval Extension 7 docs
  Small domestic

• 26/2300 Awaiting decision

  22 Plympton Avenue, London, NW6 7TJ

  Proposed single-storey side infill extension, replacement of ground floor rear door with window, and replacement of ground floor rear windows with sliding doors to dwellinghouse

  Received 10 Sep, published by the council 21 Sep 2026 Householder
• 26/2292 Awaiting decision

  116 Stag Lane, Edgware, HA8 5LL

  Demolition of existing side store and proposed single store side to rear extension, first floor part side and rear extension, front porch extension, hip to gable extension, rear dormer window with 4x front rooflights and removal of chimney stack to the dwellinghouse.

  Received 9 Sep, published by the council 21 Sep 2026 Householder
• 26/2264 Awaiting decision

  19 Littleton Road, Harrow, HA1 3SY

  Proposed demolition of existing garage, single storey side extension and single storey rear extension, and erection of a two-storey side extension, part single and part two storey rear extension, 1x side and 1x rear dormer extension, conversion of garage into habitable space with replacement of garage door with window, alteration to front, rear and side fenestration and removal of chimney to dwellinghouse.

  Received 7 Sep, published by the council 21 Sep 2026 Householder
• 26/2262 Awaiting decision

  1 Chestnut Grove, Wembley, HA0 2LX

  Demolition of existing conservatory, part two storey rear extension, single storey structure to side extension & front porch and erection of single-storey side to rear extension, erection of first floor rear extension, alterations to raised patio, addition of hipped roof to first-floor side extension, 1x front & 1x rear rooflight, replacement of roof tiles, alterations to fenestrations, rendering to elevations, front porch canopy with pillars, new front door & new garage door to dwellinghouse

  Received 7 Sep, published by the council 21 Sep 2026 Householder
• 26/2260 Awaiting decision

  19 Mitchell Way, London, NW10 0PT

  Proposed two storey rear extension and front porch extension with canopy to dwellinghouse.

  Received 4 Sep, published by the council 21 Sep 2026 Householder