11 Castleton Avenue, Wembley, HA9 7QH

This site has had 2 applications since 2020: 1 approved, 1 refused.

• 20/4249 Granted

  11 Castleton Avenue, Wembley, HA9 7QH

  Part retrospective single storey side to rear extension and conversion of the garage into a habitable room to include the replacement of the garage door with window and associated brickwork.

  Decided 11 Mar 2021 Householder

1. 24 Sep 2020

   Received by Brent

2. 29 Sep 2020

   Validated

   Checked as complete and ready for consideration.

3. 17 Nov 2020

   Decision issued: Permission Refused

4. 25 Jul 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.

• 7 Castleton Avenue, Wembley, HA9 7QH

  20/2852 Submitted 14 Sep 2020 50 yards away

  Proposed erection of first floor side extension to dwellinghouse

  Granted Householder Extension 5 docs
  Domestic

• 11 Castleton Avenue, Wembley, HA9 7QH

  20/4249 Submitted 23 Dec 2020 50 yards away

  Part retrospective single storey side to rear extension and conversion of the garage into a habitable room to include the replacement of the garage door with window and associated brickwork.

  Granted Householder Extension Windows or glazing 8 docs
  Small domestic

• 55 Clarendon Gardens, Wembley, HA9 7QN

  26/1328 Submitted 26 May 2026 100 yards away

  79% historically approved · decision due ~21 Jul

  Certificate of lawfulness for proposed hip to gable extension and rear dormer window with 3x fron...

  Decided Extension Loft or dormer +1

• 5 The Dene, Wembley, HA9 7QT

  26/0361 Submitted 15 Feb 2026 100 yards away

  Certificate of lawfulness for proposed rear dormer extension, hip to gable roof extension, 3x front rooflights and 1x window to side elevation to the dwellinghouse.

  Withdrawn Lawful development Extension Loft or dormer +1 2 docs
  Domestic

• 5 The Dene, Wembley, HA9 7QT

  25/3573 Submitted 22 Dec 2025 100 yards away

  Certificate of lawfulness for proposed demolition of existing rear outbuilding and erection of hip to gable extension, rear dormer window with 3x front rooflights, installation of window to side elevation and single storey outbuilding in rear garden of the dwellinghouse.

  Refused Lawful development Extension Loft or dormer +2 6 docs
  Small domestic

• 5 The Dene, Wembley, HA9 7QT

  26/0203 Submitted 29 Jan 2026 100 yards away

  Proposed single storey- rear extension, rear dormer extension, hip to gable roof extension, 3x front rooflights and 1x window to side elevation, and single- storey outbuilding to the dwellinghouse.

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

• 26/2300 Awaiting decision

  22 Plympton Avenue, London, NW6 7TJ

  Proposed single-storey side infill extension 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
• 26/2297 Awaiting decision

  38 Hanover Road, London, NW10 3DS

  Proposed single-storey side-to-rear wrap around extension to 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