18 Boyne Avenue London NW4 2JN

This site has had 3 applications since 2026.

• 26/2816/PNH Awaiting decision

  18 Boyne Avenue London NW4 2JN

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

  Submitted 30 Jul 2026 Prior approval
• 26/2815/192 Awaiting decision

  18 Boyne Avenue London NW4 2JN

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

  Submitted 30 Jul 2026

1. 24 Sep 2026

   Received by Barnet

2. 25 Sep 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 19 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 householder applications in a median of 56 days. More in our guide to how long planning decisions take.

Householder applications cover work to an existing house and its garden, such as extensions, lofts and outbuildings, and cannot create a separate dwelling or change what the building is used for. More in our guide to planning application types.

• 18 Boyne Avenue London NW4 2JN

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

  57% 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

  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

• 40 Boyne Avenue London NW4 2JN

  26/0796/PNH Submitted 2 Mar 2026 50 yards away

  57% historically approved · decision due ~28 Apr

  Single storey rear extension with a proposed depth of 4.50m, maximum height of 3.00m and eaves height of 3.00m

  Awaiting decision Prior approval Extension 3 docs
  Small domestic

• Three Gables Bungalow Boyne Avenue London NW4 2JL

  25/4797/PNH Submitted 1 Dec 2025 50 yards away

  57% 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

• Three Gables Bungalow Boyne Avenue London NW4 2JL

  26/1601/HSE Submitted 28 Apr 2026 50 yards 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 50 yards away

  57% 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

• 26/3476/HSE Awaiting decision

  116 Chase Way London N14 5DH

  Single storey rear extension with 2no. rooflights. Changes to fenestration; new doors, 3no. new windows to rear elevation

  Received 24 Sep, published by the council 25 Sep 2026 Householder
• 26/3470/HSE Awaiting decision

  3 Linnell Drive London NW11 7LP

  Installation of air conditioning unit behind side gate, screened by trellis panels, vertical rise from unit to eaves concealed inside a false rainwater pipe

  Received 24 Sep, published by the council 25 Sep 2026 Householder
• 26/3473/HSE Awaiting decision

  15 Cowper Road London N14 5RR

  Single storey rear extension with 2no. rooflights. Rear extension and conversion of the existing garage into habitable room, insertion of rear window and door to replace garage door. New front porch.

  Received 24 Sep, published by the council 25 Sep 2026 Householder
• 26/3471/HSE Awaiting decision

  10 Constable Close London NW11 6TY

  Conversion of the garage and side wing to habitable accommodation, changes to fenestration to front and rear elevation, installation of 3no. rooflights, front bay window extension, lowering of rear patio and associated works. Installation of cctv, new external wall lights and EV charging point

  Received 24 Sep, published by the council 25 Sep 2026 Householder
• 26/3478/HSE Awaiting decision

  52 Wolmer Gardens Edgware HA8 8QD

  First floor side and rear extension

  Received 24 Sep, published by the council 25 Sep 2026 Householder