21 Greystone Gardens, Harrow, HA3 0EF

This site has had 2 applications since 2021: 2 approved, 0 refused.

• 21/0386 Granted

  21 Greystone Gardens, Harrow, HA3 0EF

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

  Decided 4 May 2021 Householder

1. 28 Jun 2021

   Received by Brent

2. 20 Aug 2021

   Decision issued: Certificate of Lawfulness - Granted

3. 30 Aug 2026

   Added to PlanIndex

Brent granted permission on 20 August 2021, 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.

A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.

• 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

• 20 Greystone Gardens, Harrow, HA3 0EG

  26/0066 Submitted 13 Jan 2026 50 yards away

  Proposed removal of a front brick boundary wall, brick pier, resurfacing of front driveway and dropped kerb for vehicular access to dwellinghouse (part retrospective)

  Refused Householder 8 docs
  Small domestic

• 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

• 17 The Ridgeway, Harrow, HA3 0LJ

  26/1659 Submitted 30 Jun 2026 100 yards away

  Details pursuant to condition 4 (privacy screen details), of Householder application reference 26...

  Granted 5 docs
  Domestic

• 17 The Ridgeway, Harrow, HA3 0LJ

  20/4286 Submitted 28 Dec 2020 100 yards away

  Demolition of side garage and rear bin enclosure and proposed erection of 2 x two storey side extensions to both sides of dwelling with relocated front entrance and new front porch, part single storey and two storey rear extension with extended rear patio, rear dormer, and installation of 6 x roof lights to dwellinghouse

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

• 26/2285 Awaiting decision

  137 Chatsworth Road, London, NW2 5QT

  Certificate of lawfulness for proposed use as supported housing

  Received 8 Sep, published by the council 21 Sep 2026 Lawful development
• 26/2277 Awaiting decision

  65 The Avenue, Wembley, HA9 9PH

  Certificate of lawfulness for proposed conversion of outbuilding into a gym and sauna and extension to the outbuilding in rear garden of the dwellinghouse.

  Received 8 Sep, published by the council 21 Sep 2026 Lawful development
• 26/2199 Awaiting decision

  Flat 8, 399 Neasden Lane North, London, NW10 0BD

  Certificate of lawfulness for existing use of rear unit 8 as a self-contained flat.

  Received 2 Sep, published by the council 21 Sep 2026 Lawful development
• 26/2093 Awaiting decision

  17 Buller Road, London, NW10 5BS

  Certificate of lawfulness for proposed alterations to front, side and rear fenestrations including installation of ground floor side oriel window and rear timber door to dwellinghouse

  Received 18 Aug, published by the council 21 Sep 2026 Lawful development
• 26/1208 Granted

  50 Ballogie Avenue, London, NW10 1TA

  Certificate of lawfulness for proposed rear dormer extension, hip to gable roof extension, alteration to fenestration and installation of rooflights to the dwellinghouse

  Received 13 May, published by the council 25 Jul 2026 Lawful development