45 Hendale Avenue London NW4 4LP

1. 25 Nov 2025

   Received by Barnet

2. 10 Aug 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 20 January 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 43 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 lawful development applications in a median of 28 days. More in our guide to how long planning decisions take.

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.

• 46 Greyhound Hill London NW4 4JP

  25/4460/192 Submitted 7 Nov 2025 77m away

  Roof extension involving hip to gable with rear dormer windows and 2no. rooflights on main roof. Erection of a rear outbuilding.

  Decided Lawful development Extension Loft or dormer +1 4 docs

• 46 Greyhound Hill London NW4 4JP

  25/4767/HSE Submitted 28 Nov 2025 84m away

  Single storey front extension including conversion of garage into habitable room. Part single, part two storey side and rear extension following removal of existing shed. Alterations and extensions to roof including 1no. rear dormer window and 1no. rooflight to front roofslope. Creation of a patio in the rear garden. Alterations to front garden

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

• 46 Greyhound Hill London NW4 4JP

  26/0830/HSE Submitted 5 Mar 2026 84m away

  Single storey front extension including conversion of garage into habitable room, insertion of window to replace the existing garage door. Single storey rear extension with new patio area. Part single, part two storey side extension. Alterations and extensions to roof including 1no. rear dormer window and 1no. rooflight to front roofslope. Increase in height of boundary fence. Alterations to front garden

  Granted Householder Extension Loft or dormer +1 9 docs
  Small domestic

• 46 Greyhound Hill London NW4 4JP

  26/2477/HSE Submitted 30 Jun 2026 92m away

  77% historically approved · decision due ~7 Sep

  Single storey front extension incorporating a front porch including conversion of garage into habitable room, insertion of window to replace existing front garage door. Alterations to front garden hardstanding. Single storey rear extension with 2no rooflights and new patio area. Part single, part two storey side extension. First floor rear extension with juliette balcony. Alterations and extensions to roof including 1no. rear dormer window and 1no. rooflight to front roofslope. Increase height of boundary fence to 2m with No. 48 and reduced height of rear extension

  Awaiting decision Householder Extension Loft or dormer +1
  Small domestic

• 32 Greyhound Hill London NW4 4JP

  26/3179/HSE Submitted 28 Aug 2026 92m away

  77% historically approved · decision due ~23 Oct

  Roof extension including rear dormer and pitch roof over existing two storey flat roofed side extension with 3no. front facing rooflights following the demolition of existing chimneys

  Awaiting decision Householder Extension Loft or dormer +1
  Domestic

• 32 Greyhound Hill London NW4 4JP

  26/2493/S73 Submitted 1 Jul 2026 92m away

  79% historically approved · decision due ~26 Aug

  Variation of condition 1 (Approved plans) of planning permission reference 25/1930/HSE dated 03/07/2025 for Part single, part two storey rear extension with 1no. rooflight following demolition of the existing conservatory and garage. Single storey front extension. Roof extension including rear dormer and pitch roof over the existing two storey flat roofed side extension and removal of existing chimneys. Variation to include to reflect the roof shape approved under 26/1640/192 while retaining the side extension roof design approved under a separate application

  Awaiting decision Extension Loft or dormer +1
  Small domestic

• 26/2679/192 Decided

  21 Myddelton Park London N20 0JH

  Single storey rear extension and increase in ridge height of existing rear outrigger (Amended description).

  20 Jul 2026 Lawful development
• 26/1907/191 Decided

  8 Golders Manor Drive London NW11 9HT

  Use of the property as a self-contained residential unit at ground floor level and the first and second floors as a 4-bedroom, 4-person House in Multiple Occupation (Sui Generis) (AMENDED DESCRIPTION)

  21 May 2026 Lawful development
• 26/2059/192 Decided

  Low Ridge Rowley Lane Barnet EN5 3HS

  Erection of a rear outbuilding

  3 Jun 2026 Lawful development
• 26/2066/192 Decided

  355 Hendon Way London NW4 3NB

  Roof extension involving rear dormer window and 3no. front facing rooflights. Removal of chimney on rear elevation (AMENDED DESCRIPTION)

  3 Jun 2026 Lawful development
• 26/1663/192 Decided

  152 Deans Lane Edgware HA8 9NT

  Change of use from single family dwellinghouse (Class C3a) to supported living accommodation Class C3b)

  5 May 2026 Lawful development