111 Grasmere Avenue, Wembley, HA9 8TG

1. 15 Sep 2025

   Received by Brent

2. 30 Sep 2025

   Decision issued: Certificate of Lawfulness - Granted

3. 11 Aug 2026

   Added to PlanIndex

Brent granted permission on 30 September 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.

• 107 Grasmere Avenue, Wembley, HA9 8TG

  21/0004 Submitted 4 Jan 2021 0m away

  Retrospective application for existing single storey rear extension to dwellinghouse

  Refused Householder Extension 7 docs
  Small domestic

• 23 Arnside Gardens, Wembley, HA9 8TJ

  22/0874 Submitted 7 Mar 2022 126m away

  Conversion of garage to habitable room, single storey side to rear extension, rear dormer window roof extension and two front rooflights to dwellinghouse

  Refused Householder Extension Loft or dormer +1 5 docs
  Small domestic

• 30 Arnside Gardens, Wembley, HA9 8TJ

  24/2090 Submitted 29 Jul 2024 126m 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 - 3m

  Granted Prior approval Extension 7 docs
  Small domestic

• 14 Thirlmere Gardens, Wembley, HA9 8RE

  20/2955 Submitted 21 Sep 2020 133m away

  Certificate of lawfulness for proposed hip to gable loft conversion, rear dormer with juliet balcony and installation of 3 x front facing rooflights; single storey rear extension and single storey outbuildinig in rear garden of dwellinghouse.

  Refused Lawful development Extension Loft or dormer 12 docs
  Small domestic

• 14 Thirlmere Gardens, Wembley, HA9 8RE

  20/2346 Submitted 3 Aug 2020 133m 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 - 3.15m Eaves height - 3m

  Granted Prior approval Extension 8 docs
  Small domestic

• 14 Thirlmere Gardens, Wembley, HA9 8RE

  20/4274 Submitted 24 Dec 2020 133m away

  Certificate of lawfulness for proposed hip to gable loft conversion with flank window, a rear dormer (Juliet balcony), THREE (3) roof-lights, single-storey rear extension, and an outbuilding in the rear garden of dwellinghouse

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

• 26/0783 Granted

  3 Hamilton Road, London, NW10 1NU

  Certificate of lawfulness for existing single-storey rear extension to dwellinghouse

  26 Mar 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.

  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