46 Southway London N20 8DB

This site has had 5 applications since 2025.

• 26/1360/HSE Awaiting decision

  46 Southway London N20 8DB

  Single storey side and rear extension following the demolition of the existing garage and conservatory. New front dormer window

  Submitted 14 Apr 2026 Householder
• 26/0816/192 Decided

  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 Aug 2026

   Received by Barnet

2. 15 Aug 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 9 October 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's median decision took 43 days. More in our guide to how long planning decisions take.

The published feed does not state which type of application this is; the register entry on Barnet's portal will say. Our guide explains the common types.

• 46 Southway London N20 8DB

  26/0203/192 Submitted 20 Jan 2026 9m away

  79% 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

  26/1360/HSE Submitted 14 Apr 2026 11m away

  77% historically approved · decision due ~19 Jun

  Single storey side and rear extension following the demolition of the existing garage and conservatory. New front dormer window

  Awaiting decision Householder Extension Loft or dormer +2 14 docs
  Small domestic

• 46 Southway London N20 8DB

  26/0816/192 Submitted 4 Mar 2026 12m 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

  Decided Lawful development Extension Loft or dormer +1 14 docs

• 46 Southway London N20 8DB

  25/3830/HSE Submitted 18 Sep 2025 12m 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

• 53 And 55 Southway London N20 8DD

  25/4298/FUL Submitted 28 Oct 2025 58m 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 70m 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)

  Decided Lawful development Extension Loft or dormer +2 11 docs