18 Tanfield Avenue, London, NW2 7RX

1. 15 Jun 2020

   Received by Brent

2. 19 Jun 2020

   Validated

   Checked as complete and ready for consideration.

3. 13 Aug 2020

   Decision issued: Certificate of Lawfulness - Refused

4. 20 Aug 2026

   Added to PlanIndex

This application is at appeal, which passes the decision from Brent to the planning inspectorate, and the outcome will replace the council's decision. 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.

• 22 Tanfield Avenue, London, NW2 7RX

  22/0981 Submitted 15 Mar 2022 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 - 3m Eaves height - 3m

  Refused Prior approval Extension 10 docs
  Small domestic

• 42 Tanfield Avenue, London, NW2 7RX

  21/1756 Submitted 13 May 2021 50 yards away

  Certificate of lawfulness for proposed single storey rear extension, hip to gable end roof extension, rear dormer window and two front roofights to dwellinghouse.

  Granted Lawful development Extension Loft or dormer +1 12 docs
  Small domestic

• 48 Tanfield Avenue, London, NW2 7RX

  21/4029 Submitted 27 Oct 2021 50 yards away

  Proposed single storey rear extension and conservatory to ground floor flat.

  Granted Full applications Extension 10 docs
  Small domestic

• 24 Tanfield Avenue, London, NW2 7RX

  24/2794 Submitted 3 Oct 2024 50 yards away

  Certificate of lawfulness for proposed hip to gable end roof extension with a rear dormer extension and 3 front rootlight and alteration of roof to rear outrigger to the dwellinghouse.

  Granted Lawful development Extension Loft or dormer 10 docs
  Domestic

• 19 Tanfield Avenue, London, NW2 7SA

  20/1356 Submitted 6 May 2020 50 yards away

  Conversion of single dwelling into three self contained flats with bricking of 1x door to rear and 1x door to side elevation; installation of 1x juliet balcony to front elevation at first floor level; alterations to existing rear dormer to include juliet balcony; provision of waste, cycle storage; widening of existing dropped kerb to provide off street parking for 3 vehicles and associated landscaping

  Refused Full applications New dwelling Loft or dormer 5 docs
  Small domestic

• 19 Tanfield Avenue, London, NW2 7SA

  20/3881 Submitted 23 Nov 2020 50 yards away

  Conversion of single dwelling into two self-contained flats, new Juliet balcony and doors to existing rear dormer, alterations to ground floor rear elevation to include a new door and window, bricking of 1x door to rear and 1x door to side elevation new rear garden steps, sub-division of garden, new front boundary wall with pillars and gate, new front landscaping addition bin storage to front garden and cycle storage to rear.

  Granted Full applications New dwelling Loft or dormer +1 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