20 Greystone Gardens, Harrow, HA3 0EG

1. 13 Jan 2026

   Received by Brent

2. 24 Feb 2026

   Decision issued: Permission Refused

3. 10 Aug 2026

   Added to PlanIndex

Brent refused this application for the reasons on the decision notice; only the applicant can appeal, and refused schemes often return in revised form. 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.

• 32 Greystone Gardens, Harrow, HA3 0EG

  26/0018 Submitted 6 Jan 2026 50 yards away

  Proposed conversion of garage into habitable room with the replacement of its door with a window, alterations to fenestration and roof of existing single storey rear extension, erection of a single storey side infill extension, first floor side to rear extension, 1x side dormer 1x rear dormer and 4x rooflights to main roof to dwelling house

  Refused Householder Extension Loft or dormer +1 6 docs
  Small domestic

• 18 Greystone Gardens, Harrow, HA3 0EG

  26/0942 Submitted 14 Apr 2026 50 yards away

  Proposed demolition of rear shed, erection of single storey side extension, conversion of garage into habitable room with replacement of doors with windows, installation of 1x window to side elevation and replacement of existing uPVC double glazed windows to the rear elevation of the dwellinghouse.

  Granted Householder Extension Demolition +1 8 docs
  Small domestic

• 21 Greystone Gardens, Harrow, HA3 0EF

  21/0386 Submitted 4 Feb 2021 50 yards away

  Proposed single and two storey rear extension, replacement of all windows and roof tiles to dwellinghouse

  Granted Householder Extension Roofing +1 11 docs
  Domestic

• 21 Greystone Gardens, Harrow, HA3 0EF

  21/2411 Submitted 28 Jun 2021 50 yards away

  Certificate of lawfulness for proposed single storey outbuilding in rear garden of the dwellinghouse.

  Granted Lawful development 6 docs
  Small domestic

• 49 Draycott Avenue, Harrow, HA3 0BL

  21/3312 Submitted 31 Aug 2021 100 yards away

  Retention of the rear garden outhouse to dwellinghouse

  Granted Householder 6 docs
  Domestic

• 51 Draycott Avenue, Harrow, HA3 0BL

  25/2359 Submitted 13 Aug 2025 100 yards away

  Demolition of existing single-storey side-to-rear extension and erection of single-storey side-to-rear extension to dwellinghouse

  Granted Householder Extension Demolition 8 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