26 Ilmington Road, Harrow, HA3 0NH

1. 25 Sep 2025

   Received by Brent

2. 18 Nov 2025

   Decision issued: Certificate of Lawfulness - Granted

3. 11 Aug 2026

   Added to PlanIndex

Brent granted permission on 18 November 2025, 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.

• 34 Ilmington Road, Harrow, HA3 0NH

  24/2219 Submitted 8 Aug 2024 50 yards away

  Proposed hip-to-gable roof extension, rear dormer and x1 front rooflight to dwellinghouse.

  Refused Householder Extension Loft or dormer 7 docs
  Domestic

• 10 Ilmington Road, Harrow, HA3 0NH

  26/0134 Submitted 20 Jan 2026 50 yards away

  Demolition of side garage & utility room and proposed two-storey side to rear extension, 2x side dormers, extension to existing rear dormer and installation of 1x front rooflight to dwellinghouse

  Refused Householder Extension Loft or dormer +1 5 docs
  Domestic

• 32 Ilmington Road, Harrow, HA3 0NH

  21/3658 Submitted 28 Sep 2021 50 yards away

  Demolition of existing garage, erection of two storey side to rear extension, first floor rear extension, new front porch and facade rendering to dwellinghouse.

  Withdrawn Householder Extension Demolition 2 docs
  Small domestic

• 10 Ilmington Road, Harrow, HA3 0NH

  26/2554 Submitted 8 Oct 2026 50 yards away

  79% historically approved · decision due ~4 Dec

  Demolition of side garage & utility room and proposed two-storey side to rear extension, 2x side ...

  Awaiting decision Extension Demolition

• 75 Woodcock Hill, Harrow, HA3 0JH

  21/2858 Submitted 23 Jul 2021 100 yards away

  Single story rear extension to dwellinghouse.

  Granted Householder Extension 7 docs
  Domestic

• 75 Woodcock Hill, Harrow, HA3 0JH

  21/2480 Submitted 30 Jun 2021 100 yards away

  Prior approval for a single storey rear extension to dwellinghouse, in metres: Extending beyond the rear wall of the original house - 6.5m Maximum height - 3.9m Eaves height - 2.4m

  Refused Prior approval Extension 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