78 Mount Stewart Avenue, Harrow, HA3 0JY

1. 19 Jun 2020

   Received by Brent

2. 7 Aug 2020

   Decision issued: Certificate of Lawfulness - Granted

3. 30 Aug 2026

   Added to PlanIndex

Brent granted permission on 7 August 2020, 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.

• 76 Mount Stewart Avenue, Harrow, HA3 0JY

  21/0741 Submitted 2 Mar 2021 50 yards away

  Proposed alterations to existing unauthorised front porch and garage roof, painted brick-work to front garage wall and front boundary wall, with retention of coloured paving stone to the front forecourt of dwellinghouse (amended description)

  Refused Householder Extension 6 docs
  Small domestic

• Mount Stewart Infant School, Carlisle Gardens, Harrow, HA3 0JX

  26/1770 Submitted 10 Jul 2026 100 yards away

  79% historically approved · decision due ~4 Sep

  School Frontage Areas: Silver Birch - fell (Council owned) Playground area (clockwise): Swedish B...

  Decided 4 docs

• 2 Carlisle Gardens, Harrow, HA3 0JX

  21/0256 Submitted 26 Jan 2021 100 yards away

  Proposed replacement of front and rear dormer roofs with pitch and crown roofs, new roof tiles to match existing and installation of air conditioning units to side elevations of dwellinghouse

  Granted Householder Loft or dormer Roofing 12 docs
  Domestic

• 4 Carlisle Gardens, Harrow, HA3 0JX

  22/0820 Submitted 3 Mar 2022 100 yards away

  Proposed conversion of garage into a habitable room, with replacement of garage door with front window, insertion of 2x first-floor side porthole windows and loft conversion with 4x side rooflights and 2x rear rooflights to dwellinghouse (amended description)

  Granted Householder Loft or dormer Windows or glazing 5 docs
  Domestic

• 1 Manning Gardens, Harrow, HA3 0PF

  24/1797 Submitted 27 Jun 2024 100 yards away

  Proposed single-storey rear extension and first-floor side to rear extension to dwellinghouse

  Granted Householder Extension 10 docs
  Small domestic

• 57 Trevelyan Crescent, Harrow, HA3 0RH

  20/2049 Submitted 10 Jul 2020 100 yards away

  Demolition of existing detached garage and erection of single storey detached garage for two cars with associated landscaping to dwellinghouse.

  Refused Householder Demolition 12 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