9 Walfield Avenue London N20 9PS

This site has had 2 applications since 2026.

• 26/3880/192 Awaiting decision

  9 Walfield Avenue London N20 9PS

  Roof extension involving hip to gable, rear dormer window with juliette balcony and 2no. front facing rooflights

  Submitted 26 Oct 2026

1. 26 Oct 2026

   Received by Barnet

2. 26 Oct 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 21 December 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.

• 9 Walfield Avenue London N20 9PS

  26/3880/192 Submitted 26 Oct 2026 50 yards away

  78% historically approved · decision due ~21 Dec

  Roof extension involving hip to gable, rear dormer window with juliette balcony and 2no. front facing rooflights

  Awaiting decision Extension Loft or dormer +1

• Outside 47 Walfield Avenue London N20 9PS

  25/4407/LIC Submitted 3 Nov 2025 50 yards away

  Installation of 1no. 9m wooden pole

  Withdrawn 2 docs

• Outside 47 Walfield Avenue London N20 9PS

  25/4234/LIC Submitted 22 Oct 2025 50 yards away

  78% historically approved · decision due ~17 Dec

  Installation of 1no. 9m wooden pole

  Awaiting decision

• 14 Walfield Avenue London N20 9PR

  25/4817/PNH Submitted 27 Nov 2025 50 yards away

  Ground floor single storey rear extension projecting 4m from existing rear wall and 3m in height. Demolition of existing garage.

  Granted Prior approval Extension Demolition 6 docs
  Small domestic

• 14 Walfield Avenue London N20 9PR

  25/4815/192 Submitted 27 Nov 2025 50 yards away

  Roof extension involving hip to gable, rear dormer window and 3no. front facing rooflights. New front porch. Erection of a rear outbuilding.

  Granted Lawful development Extension Loft or dormer +1 5 docs
  Small domestic

• 21 Walfield Avenue London N20 9PS

  25/3858/PNH Submitted 18 Sep 2025 50 yards away

  56% historically approved · decision due ~14 Nov

  Single storey rear extension with a proposed depth of 5.00m, maximum height of 3.70m and eaves height of 3.00m.

  Awaiting decision Prior approval Extension 3 docs
  Small domestic

• 26/3028/HSE Refused

  50 Riverdene Edgware HA8 9TD

  First floor front extension. Proposed roof extension involving hip to gable with rear dormer window and 3no. front facing rooflights

  Received 18 Aug, published by the council 22 Aug 2026 Householder
• 26/3861/HSE Awaiting decision

  9 St Marys Road London NW11 9UE

  Rear raised platform with associated access steps, guard rails and privacy screen

  Received 23 Oct, published by the council 26 Oct 2026 Householder
• 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
• 26/3866/HSE Awaiting decision

  50 Brookside Road London NW11 9NE

  Part single, part two storey side and rear with alterations to the exising patio area

  Received 23 Oct, published by the council 26 Oct 2026 Householder
• 26/3856/HSE Awaiting decision

  229 Hale Drive London NW7 3EH

  Single storey rear extension

  23 Oct 2026 Householder