42 John Perrin Place, Harrow, HA3 9UR

1. 23 Mar 2021

   Received by Brent

2. 7 May 2021

   Decision issued: Certificate of Lawfulness - Granted

3. 20 Aug 2026

   Added to PlanIndex

Brent granted permission on 7 May 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.

• 12 Perrins Court, John Perrin Place, Harrow, HA3 9PN

  21/2754 Submitted 16 Jul 2021 100 yards away

  Two new rooflights to second floor flat.

  Granted Full applications Loft or dormer 9 docs

• 4 Belvedere Way, Harrow, HA3 9XG

  26/1665 Submitted 1 Jul 2026 100 yards away

  Proposed formation of vehicle crossover and provision of 1x off-street parking space to front of ...

  Granted 6 docs

• 4 Belvedere Way, Harrow, HA3 9XG

  26/1390 Submitted 4 Jun 2026 100 yards away

  79% historically approved · decision due ~30 Jul

  Prior approval for a single storey rear extension to dwellinghouse, in metres: Extending beyond t...

  Decided Extension 4 docs
  Small domestic

• 2 Belvedere Way, Harrow, HA3 9XG

  20/2211 Submitted 24 Jul 2020 100 yards away

  Certificate of lawfulness for proposed single storey rear extension, outbuilding, and x5 rooflights to the front roofslope of dwellinghouse

  Refused Lawful development Extension Loft or dormer 16 docs
  Small domestic

• 14 Belvedere Way, Harrow, HA3 9XG

  21/0486 Submitted 11 Feb 2021 100 yards away

  Proposed conversion of dwelling into two self-contained flats, hip to gable loft conversion with rear dormer, single storey side to rear extension, installation of side windows and two front rooflights; subdivision of rear garden, provision of off road parking, cycle and waste storage and associated hard and soft landscaping

  Granted Full applications New dwelling Extension +2 6 docs
  Small domestic

• 2 Belvedere Way, Harrow, HA3 9XG

  20/3379 Submitted 20 Oct 2020 100 yards away

  Proposed single storey rear extension to the dwellinghouse

  Granted Householder Extension 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