25 Tintern Avenue, London, NW9 0RH

1. 3 Aug 2020

   Received by Brent

2. 21 Sep 2020

   Decision issued: Certificate of Lawfulness - Granted

3. 25 Jul 2026

   Added to PlanIndex

Brent granted permission on 21 September 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.

• 99 Tintern Avenue, London, NW9 0RH

  25/2553 Submitted 8 Sep 2025 0m away

  Demolition of side garage and existing front porch and erection of porch extension, two storey side extension, single storey rear extension and part first floor rear extension, hip to gable roof extension, rear dormer window with 1x front rooflight to the dwellinghouse.

  Granted Householder Extension Loft or dormer +2 9 docs
  Small domestic

• 19 Tintern Avenue, London, NW9 0RH

  21/0377 Submitted 3 Feb 2021 0m away

  Certificate of lawfulness for proposed hip to gable loft conversion with rear dormer and juliet balcony; new window to side elevation, front porch extension, single storey rear extension and single storey detached outbuilding in rear garden of dwellinghouse.

  Granted Lawful development Extension Loft or dormer +1 11 docs
  Small domestic

• 19 Tintern Avenue, London, NW9 0RH

  26/0907 Submitted 9 Apr 2026 0m away

  Proposed single storey outbuilding in the rear garden to the dwellinghouse (retrospective)

  Granted Householder 7 docs
  Small domestic

• 87 Tintern Avenue, London, NW9 0RH

  20/1439 Submitted 14 May 2020 0m 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 - 3m Eaves height - 2.8m

  Granted Prior approval Extension 10 docs
  Small domestic

• 19 Tintern Avenue, London, NW9 0RH

  20/4234 Submitted 18 Dec 2020 0m 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 - 3.12m Eaves height - 3m

  Granted Prior approval Extension 7 docs
  Small domestic

• 2 Fairway Avenue, London, NW9 0EJ

  20/3518 Submitted 28 Oct 2020 49m 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 - 3.3m Eaves height - 2.9m

  Granted Prior approval Extension 6 docs
  Small domestic

• 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.

  30 Jul 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

  13 May 2026 Lawful development
• 26/1015 Refused

  5 Midholm, Wembley, HA9 9LJ

  Certificate of lawfulness for proposed installation of solar panels to the side and rear roofslope of the dwellinghouse.

  23 Apr 2026 Lawful development
• 26/1176 Refused

  47 Barn Rise, Wembley, HA9 9NH

  Certificate of lawfulness for proposed single storey outbuilding in rear garden of the dwellinghouse.

  11 May 2026 Lawful development
• 26/1166 Refused

  66 Okehampton Road, London, NW10 3EP

  Certificate of lawfulness for proposed rear dormer and side dormer extension, 1x front rooflight, replacing side elevation window and door with aluminium frame windows and doors to dwellinghouse.

  8 May 2026 Lawful development