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
• 26/1360/HSE Granted

  46 Southway London N20 8DB

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

  Decided 19 Jun 2026 Householder
• 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

1. 18 Sep 2025

   Received by Barnet

2. 10 Aug 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 13 November 2025, 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 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.

• 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

  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

  26/1360/HSE Submitted 14 Apr 2026 50 yards away

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

  Granted 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

• 41 Greenway Close London N20 8ES

  26/2824/192 Submitted 30 Jul 2026 100 yards away

  78% historically approved · decision due ~24 Sep

  Erection of a rear outbuilding

  Awaiting decision

• 26/3853/HSE Awaiting decision

  30 Goldsmith Avenue London NW9 7HB

  Single storey rear extension following demolition of the existing extension

  23 Oct 2026 Householder
• 26/3856/HSE Awaiting decision

  229 Hale Drive London NW7 3EH

  Single storey rear extension

  23 Oct 2026 Householder
• 26/3827/HSE Awaiting decision

  43 Hermitage Lane London NW2 2HE

  Single storey rear extension with 3no. rooflights following demolition of the existing conservatory. Replacement front bay window and entrance porch. First floor rear juliette balcony. Changes to fenestration including new window openings and enlarged front rooflight

  22 Oct 2026 Householder
• 26/3833/HSE Awaiting decision

  47 Holne Chase London N2 0QG

  Single storey rear extension. Replacement of single glazed windows with double glazing. Alterations to side/rear fenestration. Alterations and replacement of existing rear dormer window addition of 2no. side dormer windows and 3no. rooflights. Installation of cameras and wall lights. Replacement of the front entrance and garage doors, installation of timber side garden gates

  22 Oct 2026 Householder
• 26/3841/HSE Awaiting decision

  Manor House West Heath Close London NW3 7NJ

  New metal framed pergola to upper ground floor rear terrace

  Received 22 Oct, published by the council 23 Oct 2026 Householder