55A Colindale Avenue London NW9 5EP

1. 15 Dec 2025

   Received by Barnet

2. 19 Dec 2025

   Validated

   Checked as complete and ready for consideration.

3. 10 Aug 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 13 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 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.

• 5 Ajax Court Colindale Avenue London NW9 5EU

  26/1886/FUL Submitted 19 May 2026 50 yards away

  63% historically approved · decision due ~15 Jul

  New front hardstanding and vehicular access to provide off-street parking. Associated landscaping work

  Awaiting decision Full applications 7 docs

• 71 Colindale Avenue London NW9 5HB

  26/2070/192 Submitted 3 Jun 2026 100 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

• 59 Annesley Avenue London NW9 5EG

  21/5209/HSE Submitted 29 Sep 2021 150 yards away

  First floor rear extension

  Withdrawn Householder Extension 9 docs
  Domestic

• 5 Cecil Road London NW9 5EL

  25/3462/PNH Submitted 20 Aug 2025 150 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

• 21 Colindale Avenue London NW9 5DS

  26/0607/FUL Submitted 17 Feb 2026 150 yards away

  Erection of a single storey rear extension and reconfiguration of the internal layout of the commercial unit, including partial alteration of the existing single storey roof to form two internal courtyards with associated flank door openings and 2no rooflights

  Granted Full applications Extension Loft or dormer 12 docs
  Small domestic

• Communicable Disease Surveillance Centre 61 Colindale Avenue London NW9 5EQ

  TPP/0384/26 Submitted 6 Jul 2026 150 yards away

  79% historically approved · decision due ~31 Aug

  1 x Wild Cherry (applicants ref. T20) - Prune to clear structures by 1m. Prune crown to clear wooden beam structure by entrance to building and lamp. Standing in Area A1 of Tree Preservation Order. 1 x Wild Cherry (applicants ref. T23) - Fell to just above ground level. Standing in Area A1 of Tree Preservation Order. 1 x Japanese Flowering Cherry (applicants ref. T24) - Prune to clear structure by 1m. Standing in Area A1 of Tree Preservation Order. 1 x Japanese Flowering Cherry (applicants ref. T25) - Prune to clear structure 1m. Prune crown to clear wooden beam structure. Standing in Area A1 of Tree Preservation Order. 1 x Japanese Flowering Cherry (applicants ref. T31) - Remove broken/hanging branch. Standing in Area A1 of Tree Preservation Order. 1 x Lombardy Poplar (applicants ref. T58) - Fell to ground level, leave 1m stump and stack cuttings near stump for biodiversity value. Standing in Area A1 of Tree Preservation Order. 1 x Lombardy Poplar (applicants ref. T60) - Fell to ground level. Standing in Area A1 of Tree Preservation Order. 1 x Lombardy Poplar (applicants ref. T61) - Fell to ground level. Standing in Area A1 of Tree Preservation Order. 1 x Lombardy Poplar (applicants ref. T62) - Fell to ground level. Standing in Area A1 of Tree Preservation Order. 1 x Silver Birch (applicants ref. T65) - Fell to ground level. Standing in Area A1 of Tree Preservation Order. 1 x Weeping Willow (applicants ref. T82) - Prune to clear structure by 1m. Standing in Area A1 of Tree Preservation Order. 1 x Lombardy Poplar (applicants ref. T95) - Clear vegetation to allow access to basal areas of trees for inspection purposes. Standing in Area A1 of Tree Preservation Order.

  Awaiting decision Trees

• 26/2740/FUL Refused

  867 Finchley Road London NW11 8RR

  Change of use of a betting office (Sui Generis) to an Adult Gaming Centre (Sui Generis)

  Received 24 Jul, published by the council 3 Aug 2026 Full applications
• 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