12 Mountington Park Close, Harrow, HA3 0NW

1. 21 Apr 2026

   Received by Brent

2. 16 Jun 2026

   Decision issued: Permission Granted

3. 25 Jul 2026

   Added to PlanIndex

Brent granted permission on 16 June 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.

• 8 Mountington Park Close, Harrow, HA3 0NW

  26/1310 Submitted 25 May 2026 50 yards away

  79% historically approved · decision due ~27 Jul

  Proposed demolition of rear garage and erection of single storey side to rear extension to the dw...

  Decided Extension Demolition 10 docs
  Small domestic

• 22 Donnington Road, Harrow, HA3 0NA

  24/2502 Submitted 5 Sep 2024 50 yards away

  Proposed single-storey front extension and conversion of garage into habitable room to dwellinghouse

  Refused Householder Extension 11 docs
  Small domestic

• St Gregory's Catholic Science College, Donnington Road, Harrow, HA3 0NB

  25/3135 Submitted 7 Nov 2025 100 yards away

  Variation of condition 1 (Temporary use untill 1 April 2026) to allow the extension of temporary use for an additional 24 months (Untill 1 April 2028), of Full Planning Permission application reference 23/3896 dated 18/03/2024 for Erection of temporary classroom buildings (for the period during RAAC remediation).(DEPARTURE FROM POLICY G4 OF THE LONDON PLAN (2021))

  Granted Amendments Extension 4 docs

• St Gregory's Catholic Science College, Donnington Road, Harrow, HA3 0NB

  26/2540 Submitted 6 Oct 2026 100 yards away

  79% historically approved · decision due ~1 Dec

  Full planning application for the demolition of the existing school buildings and the erection of...

  Awaiting decision Demolition

• 17 Ebrington Road, Harrow, HA3 0LS

  26/0700 Submitted 18 Mar 2026 100 yards away

  Demolition of existing garage, conservatory and storage, erection of front porch extension, single-storey side to rear extension, and raised patio with balustrade to the dwellinghouse.

  Granted Householder Extension Demolition 9 docs
  Small domestic

• 11 Ebrington Road, Harrow, HA3 0LS

  21/3875 Submitted 15 Oct 2021 100 yards away

  Gable end roof extension, rear dormer window with juliet balcony, a single storey rear extension and a single storey outbuilding in rear garden to dwellinghouse

  Refused Householder Extension Loft or dormer +1 5 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
• 26/2264 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
• 26/2200 Awaiting decision

  55 Wembley Park Drive, Wembley, HA9 8HE

  Conversion of garage into part morning room & utility room with replacement of front garage door with window, proposed single-storey rear extension, part single part two-storey side infill extension, rear ground extension, roof extension, 2x side dormer and 2x rear dormer extensions, installation of 2x front rooflights and raised rear patio with steps to dwellinghouse

  Received 1 Sep, published by the council 21 Sep 2026 Householder
• 26/2202 Awaiting decision

  55 Wembley Park Drive, Wembley, HA9 8HE

  Conversion of garage into part morning room & utility room with replacement of front garage door with window, proposed single-storey rear extension, part single part two-storey side infill extension, rear ground extension, roof extension, 2x side dormer and 2x rear dormer extensions, installation of 2x front rooflights and raised rear patio with steps to dwellinghouse

  Received 1 Sep, published by the council 10 Sep 2026 Householder