10 Boyne Avenue London NW4 2JN

1. 11 Mar 2026

   Received by Barnet

2. 7 Apr 2026

   Decision issued: Lawful

3. 25 Jul 2026

   Added to PlanIndex

Barnet granted permission on 7 April 2026, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.

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.

• 18 Boyne Avenue London NW4 2JN

  26/2816/PNH Submitted 30 Jul 2026 50 yards away

  56% 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 50 yards away

  78% historically approved · decision due ~24 Sep

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

  Awaiting decision Extension Loft or dormer +1

• 18 Boyne Avenue London NW4 2JN

  26/3482/HSE Submitted 24 Sep 2026 50 yards away

  77% historically approved · decision due ~19 Nov

  Single storey rear extension

  Awaiting decision Householder Extension
  Small domestic

• 12 Boyne Avenue London NW4 2JN

  26/3611/PNH Submitted 6 Oct 2026 50 yards away

  56% historically approved · decision due ~1 Dec

  2no. Single storey rear extensions with a proposed depth of 4.00 metres, maximum height of 3.88 metres and eaves height of 3.00 metres. Following demolition of the existing rear patio, rear outrigger and rear/side shed.

  Awaiting decision Prior approval Extension Demolition
  Small domestic

• 37 Hillview Gardens London NW4 2JJ

  26/1671/192 Submitted 5 May 2026 100 yards away

  80% historically approved · decision due ~30 Jun

  Roof extension involving rear dormer window and 1no. front facing rooflight

  Awaiting decision Lawful development Extension Loft or dormer +1 4 docs

• Three Gables Bungalow Boyne Avenue London NW4 2JL

  26/1601/HSE Submitted 28 Apr 2026 100 yards away

  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

  Granted Householder Extension Loft or dormer 52 docs
  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