109 Princes Avenue, London, NW9 9JJ

1. 10 Sep 2020

   Received by Brent

2. 4 Nov 2020

   Decision issued: Certificate of Lawfulness - Refused

3. 25 Jul 2026

   Added to PlanIndex

Brent refused this application for the reasons on the decision notice; only the applicant can appeal, and refused schemes often return in revised form. 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 Princes Avenue, London, NW9 9JJ

  25/3033 Submitted 28 Oct 2025 50 yards away

  Change of use from single dwelling into 5x bed, 5x person HMO with cycle and refuse storage spaces to the front garden.

  Refused Full applications 13 docs
  Domestic

• 107 Princes Avenue, London, NW9 9JJ

  26/0074 Submitted 13 Jan 2026 50 yards away

  Proposed conversion of dwellinghouse into a 5 bedroom 5 person HMO (House in Multiple Occupation) together with secure cycle parking, refuse storage and front and rear garden landscaping and removal of drop kerb

  Refused Full applications 16 docs
  Domestic

• 105 Princes Avenue, London, NW9 9JJ

  21/3391 Submitted 6 Sep 2021 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

  Granted Prior approval Extension 7 docs
  Small domestic

• 107 Princes Avenue, London, NW9 9JJ

  25/2401 Submitted 19 Aug 2025 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 - 3.2m Eaves height - 3m

  Granted Prior approval Extension 7 docs
  Small domestic

• 232 Princes Avenue, London, NW9 9JH

  21/1419 Submitted 19 Apr 2021 100 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

  Granted Prior approval Extension 5 docs
  Small domestic

• 12 Eton Grove, London, NW9 9LG

  21/2806 Submitted 20 Jul 2021 100 yards away

  Part-retrospective consent for the demolition of existing garage and creation of single storey side and rear extension with pitch/flat roof to dwellinghouse.

  Granted Householder Extension Demolition 3 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
• 26/1946 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.

  Received 30 Jul, published by the council 10 Aug 2026 Lawful development