37 Hillview Gardens London NW4 2JJ

1. 5 May 2026

   Received by Barnet

2. 25 Jul 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 30 June 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.

• Three Gables Bungalow Boyne Avenue London NW4 2JL

  26/1601/HSE Submitted 28 Apr 2026 55m away

  77% historically approved · decision due ~24 Jun

  Single storey front extension including new porch. Single storey rear extensions with new patio area. Alterations to ground levels. Formation of first floor with new pitched gable roof with 2no. front and 2no. rear dormers and 2no. front facing, 2no side rooflights with associated hard and soft landscaping

  Awaiting decision Householder Extension Loft or dormer 39 docs
  Small domestic

• Three Gables Bungalow Boyne Avenue London NW4 2JL

  25/3703/PNH Submitted 9 Sep 2025 58m away

  58% historically approved · decision due ~4 Nov

  Single storey rear extension with a proposed depth of 8.00 metres, maximum height of 4.00 metres and eaves height of 3.00 metres

  Awaiting decision Prior approval Extension 16 docs
  Small domestic

• Three Gables Bungalow Boyne Avenue London NW4 2JL

  25/4797/PNH Submitted 1 Dec 2025 61m away

  58% historically approved · decision due ~26 Jan

  2no. Single storey rear extensions with a proposed depth of 8.00 metres, maximum height of 3.00 metres and eaves height of 3.00 metres.

  Awaiting decision Prior approval Extension 16 docs
  Small domestic

• 12 Hillview Gardens London NW4 2JH

  21/5456/HSE Submitted 13 Oct 2021 75m away

  Single storey front extension to replace ground floor bay window (amended description)

  Granted Householder Extension Windows or glazing 9 docs
  Small domestic

• 18 Boyne Avenue London NW4 2JN

  26/2816/PNH Submitted 30 Jul 2026 88m away

  58% historically approved · decision due ~24 Sep

  2no single storey rear extensions with a maximum depth of 6.00m, maximum height of 3.90m and an eaves height 3.00m

  Awaiting decision Prior approval Extension
  Small domestic

• 18 Boyne Avenue London NW4 2JN

  26/2815/192 Submitted 30 Jul 2026 88m away

  79% historically approved · decision due ~24 Sep

  Roof extension involving rear dormer window and 2no. front facing rooflights

  Awaiting decision Extension Loft or dormer +1

• 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).

  20 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)

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

  Low Ridge Rowley Lane Barnet EN5 3HS

  Erection of a rear outbuilding

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

  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
• 26/2525/192 Granted

  39 Ridgeway Avenue Barnet EN4 8TN

  Single storey rear extension

  6 Jul 2026 Lawful development