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 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 - 3m

  Refused Prior approval Extension 10 docs
  Small domestic

• 42 Tanfield Avenue, London, NW2 7RX

  21/1756 Submitted 13 May 2021 0m 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

• 19 Tanfield Avenue, London, NW2 7SA

  20/1356 Submitted 6 May 2020 36m 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

• 41 Tanfield Avenue, London, NW2 7SA

  21/2305 Submitted 21 Jun 2021 36m away

  Change of use from 5 bedroom HMO into 2 self-contained flats, alteration to fenestration to rear, sub-division of rear garden and provision for cycle and refuse storage

  Refused Full applications New dwelling Windows or glazing 11 docs

• 41 Tanfield Avenue, London, NW2 7SA

  26/0103 Submitted 16 Jan 2026 36m away

  Conversion of dwellinghouse into 2 self contained flats, demolition of rear garage, replacement of rear ground floor doors and windows with new sliding doors and window, subdivision of rear garden and provision for cycle and refuse storage.

  Granted Full applications New dwelling Demolition +1 15 docs
  Domestic

• 8 Dollis Hill Lane, London, NW2 6JE

  26/0498 Submitted 26 Feb 2026 57m away

  Proposed demolition of single storey rear extension and chimney stack and erection of a single and two storey rear extension, rear dormer window with juliet balcony and 2 front rooflights to dwellinghouse

  Withdrawn Householder Extension Loft or dormer +2 2 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