5 Ajax Court Colindale Avenue London NW9 5EU

1. 19 May 2026

   Received by Barnet

2. 20 May 2026

   Validated

   Checked as complete and ready for consideration.

3. 16 Aug 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 15 July 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 full applications in a median of 56 days. More in our guide to how long planning decisions take.

A full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.

• 71 Colindale Avenue London NW9 5HB

  26/2070/192 Submitted 3 Jun 2026 50 yards away

  80% historically approved · decision due ~29 Jul

  Roof extension involving rear dormer window. Erection of a rear outbuilding with 4no. rooflights

  Awaiting decision Lawful development Extension Loft or dormer +1 2 docs

• 55A Colindale Avenue London NW9 5EP

  25/5015/FUL Submitted 15 Dec 2025 50 yards away

  63% historically approved · decision due ~13 Feb

  Single storey rear extension. Roof extension involving rear dormer window and 1no. front facing rooflight

  Awaiting decision Full applications Extension Loft or dormer +1 11 docs
  Small domestic

• 5 Cecil Road London NW9 5EL

  25/3462/PNH Submitted 20 Aug 2025 100 yards away

  Single storey rear extension with a proposed depth of 4.00 metres, maximum height of 3.20 metres and eaves height of 2.90 metres. Following demolition of existing conservatory.

  Granted Prior approval Extension Demolition 7 docs
  Small domestic

• 71 Colindale Avenue London NW9 5HB

  26/2615/HSE Submitted 13 Jul 2026 150 yards away

  77% historically approved · decision due ~8 Sep

  Part single, part two storey rear extension following demolition of the existing conservatory. Single storey side extension to outrigger with 3no. rooflights, following demolition of existing side projection (amended description)

  Decided Householder Extension Loft or dormer +1
  Small domestic

• 101 Colindale Avenue London NW9 5HB

  26/2726/HSE Submitted 23 Jul 2026 150 yards away

  77% historically approved · decision due ~17 Sep

  Single storey side/rear wraparound extension with 5no. rooflights. Changes to fenestration. (amended description)

  Withdrawn Householder Extension Loft or dormer +1
  Small domestic

• 143 Colindale Avenue London NW9 5HB

  26/3647/PNH Submitted 8 Oct 2026 150 yards away

  56% historically approved · decision due ~3 Dec

  Single storey rear/side extension with a proposed depth of 6 metres, maximum height of 2.9 metres and eaves height of 2.85 metres;

  Awaiting decision Prior approval Extension
  Small domestic

• 26/3851/FUL Awaiting decision

  517 Watford Way London NW7 2QR

  Single storey extension to the rear of the existing workshop building to provide relocated MOT Bay

  23 Oct 2026 Full applications
• 26/3848/FUL Awaiting decision

  157 Brent Street London NW4 4DJ

  Mansard roof extension involving 2no. front, 3no. side and 2no. rear dormer windows to provide 1no. self-contained flat including raising of the eaves level and addition of window to second floor. Removal of chimneys. Additional side door to ground floor level to provide access to cycle and refuse/recycling storage

  23 Oct 2026 Full applications
• 26/3828/FUL Awaiting decision

  41 - 43 Sneath Avenue London NW11 9AJ

  Part single, part two storey rear extensions to both properties following the demolition of the single storey rear extension at no.43

  22 Oct 2026 Full applications
• 26/3829/FUL Awaiting decision

  369 Watford Way London NW4 4TE

  Change of use of the existing dwelling (Use Class C3) to a 11 bed 11 Person HMO (House in Multiple Occupation) (Use Class Sui Generis) including part single, part two storey side and rear extensions and roof extension involving rear dormer window. Associated refuse/recycling storage, cycle parking, landscaping and external amenity space

  22 Oct 2026 Full applications
• 26/3812/FUL Awaiting decision

  Ground Floor Battle House Mews 1 East Barnet Road Barnet EN4 8RR

  Erection of front canopy for fruit and vegetables area and installation awning and shutter box

  Received 21 Oct, published by the council 22 Oct 2026 Full applications