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 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 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 100 yards away

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

  Granted Lawful development Extension Loft or dormer +1 4 docs

• 46 Greyhound Hill London NW4 4JP

  25/4767/HSE Submitted 28 Nov 2025 100 yards 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 100 yards 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 100 yards 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

  Decided Householder Extension Loft or dormer +1
  Small domestic

• 32 Greyhound Hill London NW4 4JP

  26/3179/HSE Submitted 28 Aug 2026 100 yards away

  77% historically approved · decision due ~23 Oct

  Roof extension including hip to gable, rear dormer window, and pitch roof over existing two storey flat roofed side extension with 3no. front facing rooflights following the demolition of the existing chimneys (amended description and drawings).

  Decided Householder Extension Loft or dormer +2
  Domestic

• 32 Greyhound Hill London NW4 4JP

  26/2493/S73 Submitted 1 Jul 2026 100 yards 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

  Withdrawn Extension Loft or dormer +1
  Small domestic

• 26/2679/192 Granted

  21 Myddelton Park London N20 0JH

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

  Received 20 Jul, published by the council 7 Aug 2026 Lawful development
• 26/1362/191 Refused

  145 Cotswold Gardens London NW2 1PL

  Use as a House in Multiple Occupation (HMO) for 6 people

  Received 14 Apr, published by the council 25 Jul 2026 Lawful development
• 26/1907/191 Granted

  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)

  Received 21 May, published by the council 16 Aug 2026 Lawful development
• 26/2392/192 Refused

  6 Mostyn Road Edgware HA8 0JD

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

  Received 23 Jun, published by the council 9 Aug 2026 Lawful development
• 26/2059/192 Refused

  Low Ridge Rowley Lane Barnet EN5 3HS

  Erection of a rear outbuilding

  Received 3 Jun, published by the council 16 Aug 2026 Lawful development