22 - 24 Thurlestone Avenue London N12 0LP

1. 22 Sep 2026

   Received by Barnet

2. 25 Sep 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 17 November 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 45 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.

• 23 Ferncroft Avenue London N12 0LN

  26/0664/HSE Submitted 20 Feb 2026 100 yards away

  Erection of a granny annexe to rear garden with solar panels and rooflights following demolition of the existing garage. Enclosure of the existing front porch. Alterations to the existing front garden levels and boundary treatment. Installation of safety balustrades to existing external stairs

  Refused Householder Extension Loft or dormer +1 8 docs
  Small domestic

• 9 Woodleigh Avenue London N12 0LJ

  25/3327/HSE Submitted 11 Aug 2025 100 yards away

  Single storey ground floor rear infill extensions with new raised decking area and associated access steps. Removal of the first floor bay window. Conversion of the garage in habitable room, insertion of window to replace garage door [Amended Description]

  Granted Householder Extension Windows or glazing 7 docs
  Small domestic

• 28 Hollickwood Avenue London N12 0LT

  25/3368/PNH Submitted 12 Aug 2025 100 yards away

  Single storey rear extension with a proposed depth of 6.00 metres, maximum height of 3.90 metres with eaves height of 3.00 metres.

  Granted Prior approval Extension 3 docs
  Small domestic

• 28 Hollickwood Avenue London N12 0LT

  26/0509/PNH Submitted 10 Feb 2026 150 yards away

  57% historically approved · decision due ~7 Apr

  Single storey rear extension with a proposed depth of 6.00 metres, maximum height of 3.20 metres and eaves height of 3.00 metres

  Awaiting decision Prior approval Extension 3 docs
  Small domestic

• 26 Hollickwood Avenue London N12 0LT

  25/3774/192 Submitted 15 Sep 2025 150 yards away

  Single storey rear extension with No3 flat rooflights following demolition of existing extension and outbuilding.

  Granted Lawful development Extension Loft or dormer +1 5 docs
  Small domestic

• 41 Lyndhurst Avenue London N12 0LX

  25/3440/192 Submitted 18 Aug 2025 150 yards away

  Single storey rear extension

  Granted Lawful development Extension 4 docs
  Small domestic

• 26/3495/FUL Awaiting decision

  124 Ballards Lane London N3 2PA

  Installation of a new rear extractor flue following removal of the existing exhaust duct

  25 Sep 2026 Full applications
• 26/3469/FUL Awaiting decision

  45 Cricklewood Lane London NW2 1HR

  Change of use from a single dwelling (Use Class C3) to a 6 bed HMO (House in Multiple Occupation) for 6 persons (Use Class C4). Single storey rear extension, raising of existing flat roof of the existing house and insertion of 3no. first floor rear windows; Associated rear cycle storage

  Received 24 Sep, published by the council 25 Sep 2026 Full applications
• 26/3443/FUL Awaiting decision

  5 Gloucester Road Barnet EN5 1RS

  Sub-division of existing dwelling into 2no. dwellings including conversion of the existing garage into habitable room, insertion of window to replace garage door. Associated refuse/recycling/cycle storage and amenity space

  Received 22 Sep, published by the council 25 Sep 2026 Full applications
• 26/3451/FUL Awaiting decision

  38 North End Road London NW11 7PT

  Removal of existing extraction system and replacement with new internal extraction system with repositioned flue to the rear elevation

  Received 22 Sep, published by the council 25 Sep 2026 Full applications
• 26/3428/FUL Awaiting decision

  129 Kenilworth Road Edgware HA8 8XB

  Erection of new dwellinghouse adjacent to existing building following demolition of garage. Associated amenity space, off-street parking, refuse/recycling and cycle storage. Single storey rear extension to existing dwelling

  Received 18 Sep, published by the council 22 Sep 2026 Full applications