39 Colenso Drive London NW7 2EA

1. 18 Dec 2025

   Received by Barnet

2. 10 Aug 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 12 February 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

   Barnet took a median of 46 days over the applications it decided in the last year.

This application is with Barnet for determination, against a statutory target of eight weeks. Over the last year Barnet decided householder applications in a median of 56 days. More in our guide to how long planning decisions take.

Householder applications cover work to an existing house and its garden, such as extensions, lofts and outbuildings, and cannot create a separate dwelling or change what the building is used for. More in our guide to planning application types.

• 24 Longfield Avenue London NW7 2EG

  26/3099/PNH Submitted 21 Aug 2026 150 yards away

  56% historically approved · decision due ~16 Oct

  Single storey rear extension with a proposed depth of 6.00 metres, maximum height of 2.81 metres and eaves height of 2.81 metres. Following demolition of the existing rear extension and outbuilding.

  Awaiting decision Prior approval Extension Demolition
  Small domestic

• 26 Rowlands Close London NW7 2DL

  25/4785/192 Submitted 1 Dec 2025 150 yards away

  Roof extension involving rear dormer window with juliette balcony and 2no. front facing rooflights

  Refused Lawful development Extension Loft or dormer +1 9 docs

• 26 Rowlands Close London NW7 2DL

  25/4784/192 Submitted 1 Dec 2025 150 yards away

  Single storey rear extension

  Refused Lawful development Extension 9 docs
  Small domestic

• Land To The Rear Of 39-44 Rowlands Close London NW7 2DN

  TPP/0737/25 Submitted 5 Nov 2025 150 yards away

  2 x Oak (applicants ref. T1, T2) - Reduce branches overhanging 14 Fakenham Close by 2.5 metres. Standing in Group G1 of Tree Preservation Order.

  Granted Trees 6 docs

• 69 Page Street London NW7 2EE

  25/3712/RCU Submitted 9 Sep 2025 150 yards away

  65% historically approved · decision due ~4 Nov

  New rear patio cover (Retrospective Application)

  Awaiting decision Amendments 4 docs

• 44 Longfield Avenue London NW7 2EG

  21/4932/HSE Submitted 13 Sep 2021 150 yards away

  Roof extension involving rear dormer window, 1no side and 2no front facing rooflight. Single storey rear extension. (amended description)

  Granted Householder Extension Loft or dormer +1 15 docs
  Small domestic

• 26/3827/HSE Awaiting decision

  43 Hermitage Lane London NW2 2HE

  Single storey rear extension with 3no. rooflights following demolition of the existing conservatory. Replacement front bay window and entrance porch. First floor rear juliette balcony. Changes to fenestration including new window openings and enlarged front rooflight

  22 Oct 2026 Householder
• 26/3833/HSE Awaiting decision

  47 Holne Chase London N2 0QG

  Single storey rear extension. Replacement of single glazed windows with double glazing. Alterations to side/rear fenestration. Alterations and replacement of existing rear dormer window addition of 2no. side dormer windows and 3no. rooflights. Installation of cameras and wall lights. Replacement of the front entrance and garage doors, installation of timber side garden gates

  22 Oct 2026 Householder
• 26/3815/HSE Awaiting decision

  17 Hurstwood Road London NW11 0AS

  Single storey rear extension

  21 Oct 2026 Householder
• 26/3800/HSE Awaiting decision

  29 Monks Avenue Barnet EN5 1BZ

  Single storey side and rear infill extension including new front porch following demolition of the side/rear storage.

  Received 20 Oct, published by the council 21 Oct 2026 Householder
• 26/3791/HSE Awaiting decision

  149 Montrose Avenue Edgware HA8 0DZ

  New front hardstanding and vechicular access to provide off-street parking

  Received 20 Oct, published by the council 21 Oct 2026 Householder