46 Southway London N20 8DB

This site has had 5 applications since 2025: 2 approved, 0 refused.

• 26/3003/192 Awaiting decision

  46 Southway London N20 8DB

  Erection of rear outbuilding

  Submitted 14 Aug 2026
• 26/0816/192 Granted

  46 Southway London N20 8DB

  Roof extension involving hip to gable with juliette balcony and 1no. front facing rooflights Conversion of the existing garage to habitable room insertion of window to replace the garage door

  Decided 29 Apr 2026 Lawful development
• 26/0203/192 Awaiting decision

  46 Southway London N20 8DB

  Roof extension involving hip to gable with juliette balcony and 1no. front facing rooflights. Single storey side extension following the demolition of existing conservatory. Conversion of the existing garage to habitable room insertion of window to replace the garage door. Erection of rear outbuilding

  Submitted 20 Jan 2026 Lawful development
• 25/3830/HSE Awaiting decision

  46 Southway London N20 8DB

  Part single, part two-storey side and rear extension with 2no. rear juliette balconies to rear elevation, following demolition of existing garage and conservatory. Roof extension including 1no. dormer window to front, side and rear elevations. Single-storey rear outbuilding/garden room

  Submitted 18 Sep 2025 Householder

1. 14 Apr 2026

   Received by Barnet

2. 24 Apr 2026

   Validated

   Checked as complete and ready for consideration.

3. 19 Jun 2026

   Decision issued: Approve subject to conditions

4. 25 Jul 2026

   Added to PlanIndex

Barnet granted permission on 19 June 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.

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.

• 46 Southway London N20 8DB

  26/0203/192 Submitted 20 Jan 2026 50 yards away

  80% historically approved · decision due ~17 Mar

  Roof extension involving hip to gable with juliette balcony and 1no. front facing rooflights. Single storey side extension following the demolition of existing conservatory. Conversion of the existing garage to habitable room insertion of window to replace the garage door. Erection of rear outbuilding

  Awaiting decision Lawful development Extension Loft or dormer +2 15 docs
  Small domestic

• 46 Southway London N20 8DB

  26/0816/192 Submitted 4 Mar 2026 50 yards away

  Roof extension involving hip to gable with juliette balcony and 1no. front facing rooflights Conversion of the existing garage to habitable room insertion of window to replace the garage door

  Granted Lawful development Extension Loft or dormer +1 14 docs

• 46 Southway London N20 8DB

  25/3830/HSE Submitted 18 Sep 2025 50 yards away

  77% historically approved · decision due ~13 Nov

  Part single, part two-storey side and rear extension with 2no. rear juliette balconies to rear elevation, following demolition of existing garage and conservatory. Roof extension including 1no. dormer window to front, side and rear elevations. Single-storey rear outbuilding/garden room

  Awaiting decision Householder Extension Loft or dormer +2 17 docs
  Small domestic

• 46 Southway London N20 8DB

  26/3003/192 Submitted 14 Aug 2026 50 yards away

  78% historically approved · decision due ~9 Oct

  Erection of rear outbuilding

  Awaiting decision

• 53 And 55 Southway London N20 8DD

  25/4298/FUL Submitted 28 Oct 2025 50 yards away

  Single storey side and rear extension with new access steps to no.53 with 6no. rooflights to no.53 and demolition of the existing garage, and single storey side extension with 2no. rooflights to no.55

  Granted Full applications Extension Loft or dormer +1 9 docs
  Small domestic

• 69 Southway London N20 8DE

  26/1432/192 Submitted 17 Apr 2026 100 yards away

  Roof extension involving hip to gable, rear dormer window, 3no. front facing rooflights, 1no. rooflight sited on flat roof and 2no. side gable windows. Demolition of chimney. (amended)

  Granted Lawful development Extension Loft or dormer +2 11 docs

• 26/3953/HSE Awaiting decision

  51 Bedford Avenue Barnet EN5 2ER

  Single storey rear extension with flat roof, 1no. rooflight and new access steps following demolition of the existing conservatory. Removal of the rear chimney stack. Changes to ground floor north side fenestration

  2 Nov 2026 Householder
• 26/3947/HSE Awaiting decision

  20 Fallow Court Avenue London N12 0EB

  Single storey side and rear extension

  30 Oct 2026 Householder
• 26/3950/HSE Awaiting decision

  113 Walmington Fold London N12 7LH

  Single storey rear extension with pitched gable roof. New Pergola. Installation of Air Source Heat Pump (ASHP)

  Received 30 Oct, published by the council 2 Nov 2026 Householder
• 26/3941/HSE Awaiting decision

  29 Flower Lane London NW7 2JG

  Part single, part two storey rear extension with enlargement of the patio area following demolition of the conservatory

  Received 29 Oct, published by the council 2 Nov 2026 Householder
• 26/3933/HSE Awaiting decision

  11 Talbot Avenue London N2 0LS

  Single storey rear infill extension

  29 Oct 2026 Householder