70 Longstone Avenue, London, NW10 3UA

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

• 21/3940 Refused

  70 Longstone Avenue, London, NW10 3UA

  Prior approval for a single storey rear extension to dwellinghouse, in metres: Extending beyond the rear wall of the original house - 6m Maximum height - 4m Eaves height - 3m

  Decided 22 Oct 2021 Prior approval

1. 20 Oct 2021

   Received by Brent

2. 25 Oct 2021

   Validated

   Checked as complete and ready for consideration.

3. 17 Dec 2021

   Decision issued: Certificate of Lawfulness - Refused

4. 21 Sep 2026

   Added to PlanIndex

Brent refused this application for the reasons on the decision notice; only the applicant can appeal, and refused schemes often return in revised form. 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.

• 66 Longstone Avenue, London, NW10 3UA

  21/0465 Submitted 10 Feb 2021 50 yards away

  Additional window inserted into the front elevations gable end of dwellinghouse

  Granted Householder Windows or glazing 5 docs
  Domestic

• 66 Longstone Avenue, London, NW10 3UA

  21/0464 Submitted 10 Feb 2021 50 yards away

  Certificate of lawfulness for proposed installation of external insulation over front, side and rear elevation clad to dwellinghouse.

  Granted Lawful development 9 docs
  Domestic

• 66 Longstone Avenue, London, NW10 3UA

  21/0463 Submitted 10 Feb 2021 50 yards away

  Certificate of lawfulness for proposed hip to gable loft conversion with rear dormer roof extension, installation of new window on side elevation, two front and one rear rooflight to dwellinghouse.

  Granted Lawful development Extension Loft or dormer +1 11 docs
  Domestic

• 66 Longstone Avenue, London, NW10 3UA

  21/2089 Submitted 3 Jun 2021 50 yards away

  Proposed single storey outbuilding at rear garden of dwellinghouse.

  Granted Householder 6 docs
  Small domestic

• 66 Longstone Avenue, London, NW10 3UA

  21/0039 Submitted 6 Jan 2021 50 yards away

  Single storey outbuilding in the rear garden of dwellinghouse

  Granted Householder 6 docs
  Small domestic

• 70 Longstone Avenue, London, NW10 3UA

  21/3940 Submitted 19 Oct 2021 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 - 4m Eaves height - 3m

  Refused Prior approval Extension 21 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
• 26/1946 Awaiting decision

  120 Gladstone Park Gardens, London, NW2 6RL

  Certificate of lawfulness for proposed rear dormer extension with Juliet balcony, hip to gable roof extension, installation of 1x window to side elevation and 2x front rooflights to dwellinghouse.

  Received 30 Jul, published by the council 10 Aug 2026 Lawful development