53 Tanfield Avenue, London, NW2 7SA

This site has had 3 applications since 2026: 0 approved, 1 refused.

• 26/2421 Awaiting decision

  53 Tanfield Avenue, London, NW2 7SA

  Proposed two storey rear extension to dwellinghouse.

  Submitted 23 Sep 2026
• 26/2420 Refused

  53 Tanfield Avenue, London, NW2 7SA

  Prior approval for a single storey rear extension to dwellinghouse, in metres: Extending beyond t...

  Decided 28 Sep 2026

1. 23 Sep 2026

   Received by Brent

2. 27 Oct 2026

   Validated

   Checked as complete and ready for consideration.

3. 2 Nov 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 22 December 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

   Brent took a median of 56 days over the applications it decided in the last year.

This application is with Brent for determination, against a statutory target of eight weeks. Over the last year Brent's median decision took 56 days. More in our guide to how long planning decisions take.

The published feed does not state which type of application this is; the register entry on Brent's portal will say. Our guide explains the common types.

• 53 Tanfield Avenue, London, NW2 7SA

  26/2421 Submitted 23 Sep 2026 50 yards away

  79% historically approved · decision due ~23 Nov

  Proposed two storey rear extension to dwellinghouse.

  Awaiting decision Extension
  Domestic

• 53 Tanfield Avenue, London, NW2 7SA

  26/2420 Submitted 23 Sep 2026 50 yards away

  Prior approval for a single storey rear extension to dwellinghouse, in metres: Extending beyond t...

  Refused Extension 9 docs
  Small 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

• 41 Tanfield Avenue, London, NW2 7SA

  21/3409 Submitted 8 Sep 2021 50 yards away

  Conversion of dwellinghouse into 2 self contained flats, sub division of rear garden and provision for cycle and refuse storage

  Refused Full applications New dwelling 13 docs
  Domestic

• 41 Tanfield Avenue, London, NW2 7SA

  21/2305 Submitted 21 Jun 2021 50 yards 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