33 Kingsgate Avenue London N3 3DH

This site has had 3 applications since 2025.

• 26/2232/HSE Decided

  33 Kingsgate Avenue London N3 3DH

  Part single, part two storey side and rear extension following demolition of existing single storey side extension. Roof extension including rear dormer window and 4no. front facing rooflights and 1no. rear facing rooflight. New front porch with an associated relocation of front door. Removal of 1no. chimney. Alterations to hard and soft landscaping including new rear terrace with associated level changes and provision of off-street parking space to front garden. Alterations to fenestration (Amended Description and Plans).

  Submitted 15 Jun 2026 Householder
• 25/5029/192 Awaiting decision

  33 Kingsgate Avenue London N3 3DH

  Roof extension involving rear dormer window and 3no. front facing rooflights. New front porch and front window. Erection of a rear outbuilding with terrace area

  Submitted 15 Dec 2025 Lawful development

1. 29 Dec 2025

   Received by Barnet

2. 6 Jan 2026

   Validated

   Checked as complete and ready for consideration.

3. 10 Aug 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 3 March 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 prior approval applications in a median of 36 days. More in our guide to how long planning decisions take.

Prior approval applies where permitted development rights already grant the principle of the work, leaving the council only the specific matters the rules name, commonly within 56 days. More in our guide to planning application types.

• 33 Kingsgate Avenue London N3 3DH

  25/5029/192 Submitted 15 Dec 2025 50 yards away

  80% historically approved · decision due ~10 Feb

  Roof extension involving rear dormer window and 3no. front facing rooflights. New front porch and front window. Erection of a rear outbuilding with terrace area

  Awaiting decision Lawful development Extension Loft or dormer +1 24 docs
  Small domestic

• 33 Kingsgate Avenue London N3 3DH

  26/2232/HSE Submitted 15 Jun 2026 100 yards away

  77% historically approved · decision due ~12 Aug

  Part single, part two storey side and rear extension following demolition of existing single storey side extension. Roof extension including rear dormer window and 4no. front facing rooflights and 1no. rear facing rooflight. New front porch with an associated relocation of front door. Removal of 1no. chimney. Alterations to hard and soft landscaping including new rear terrace with associated level changes and provision of off-street parking space to front garden. Alterations to fenestration (Amended Description and Plans).

  Decided Householder Extension Loft or dormer +2 31 docs
  Small domestic

• 76 Windermere Avenue London N3 3RA

  26/3315/NMA Submitted 10 Sep 2026 200 yards away

  65% historically approved · decision due ~9 Nov

  Non material amendment to planning permission original ref 26/2420/HSE dated 24/08/2026 for 'Erection of a rear outbuilding including raised platform'. Amendments includes changes to landscape and levels

  Awaiting decision Amendments

• 76 Windermere Avenue London N3 3RA

  26/2420/HSE Submitted 25 Jun 2026 200 yards away

  77% historically approved · decision due ~24 Aug

  Erection of a rear outbuilding including raised platform

  Decided Householder
  Small domestic

• Rear Of 37 Beechwood Avenue London N3 3BB

  26/2715/FUL Submitted 22 Jul 2026 300 yards away

  Demolition of existing garage. Erection of a two storey dwelling with rooms in the roofspace. Associated hard and soft landscaping, refuse/recycling and cycle store, amenity space and parking

  Refused Full applications Demolition 25 docs
  Domestic

• 35 Orchard Avenue London N3 3NL

  26/0433/192 Submitted 5 Feb 2026 300 yards away

  80% historically approved · decision due ~2 Apr

  Roof extension involving hip to gable, rear dormer window, 1no. rear and 2no. front facing rooflights and new side gable window

  Awaiting decision Lawful development Extension Loft or dormer +1 7 docs

• 26/3835/PNH Awaiting decision

  3 Devonshire Crescent London NW7 1DN

  Single storey rear extension with a proposed depth of 5.00 metres, maximum height of 3.48 metres and eaves height of 3.00 metres. Following demolition of existing rear outrigger.

  22 Oct 2026 Prior approval
• 26/3832/PNH Awaiting decision

  48 Alverstone Avenue Barnet EN4 8EB

  Single storey rear extension with a proposed depth of 4.5 metres, maximum height of 3.15 metres and eaves height of 3 metres following demolition of existing rear extension.

  22 Oct 2026 Prior approval
• 26/3823/PNH Awaiting decision

  7 Southbourne Crescent London NW4 2LB

  Single storey rear extension added to an existing extension with the total extension measuring 6.00 metres deep, with a maximum height of 3.00 metres and an eaves height of 3.00 metres.

  21 Oct 2026 Prior approval
• 26/3809/PND Awaiting decision

  10 Clifford Road Barnet EN5 5PG

  Demolition of existing garage

  21 Oct 2026 Prior approval
• 26/3819/PNH Awaiting decision

  78 Russell Lane London N20 0AP

  2no. Single storey rear extensions with a proposed depth of 7.00 metres, maximum height of 3.60 metres and eaves height of 3.00 metres. Following demolition of the existing side/rear outrigger.

  Received 20 Oct, published by the council 22 Oct 2026 Prior approval