26 Chippenham Avenue, Wembley, HA9 6NQ

1. 19 Aug 2025

   Received by Brent

2. 7 Oct 2025

   Decision issued: Certificate of Lawfulness - Granted

3. 11 Aug 2026

   Added to PlanIndex

Brent granted permission on 7 October 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.

• 30 Chippenham Avenue, Wembley, HA9 6NQ

  25/3056 Submitted 30 Oct 2025 50 yards away

  Prior approval for a single storey rear extension to dwellinghouse, in metres: Extending beyond the rear wall of the original house - 6.00m Maximum height - 2.80m Eaves height - 2.68m

  Granted Prior approval Extension 6 docs
  Small domestic

• 10 Chippenham Avenue, Wembley, HA9 6NQ

  26/0696 Submitted 18 Mar 2026 50 yards away

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

  Granted Lawful development Extension Loft or dormer +1 8 docs
  Domestic

• 10 Chippenham Avenue, Wembley, HA9 6NQ

  26/0695 Submitted 18 Mar 2026 50 yards away

  Prior approval for a single storey rear extension to dwellinghouse, in metres: Extending beyond the rear wall of the original house - 6.00m Maximum height - 3.40m Eaves height - 3.00m

  Granted Prior approval Extension 6 docs
  Small domestic

• 30 Chippenham Avenue, Wembley, HA9 6NQ

  25/2849 Submitted 8 Oct 2025 50 yards away

  Prior approval for a single storey rear extension to dwellinghouse, in metres: Extending beyond the rear wall of the original house - 6m Maximum height - 2.7m Eaves height - 2.7m

  Refused Prior approval Extension 5 docs
  Small domestic

• 30 Chippenham Avenue, Wembley, HA9 6NQ

  25/2848 Submitted 8 Oct 2025 50 yards away

  Certificate of lawfulness for proposed hip to gable extension and rear dormer window with juliette balcony and 1 front rooflight to the dwellinghouse

  Granted Lawful development Extension Loft or dormer +1 6 docs
  Domestic

• 19 Chippenham Avenue, Wembley, HA9 6NH

  20/3199 Submitted 5 Oct 2020 50 yards away

  Prior approval for a single storey rear extension to dwellinghouse, in metres: Extending beyond the rear wall of the original house - 6m Maximum height - 3.5m Eaves height - 3m

  Granted Prior approval Extension 4 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