9 Park Avenue London NW11 7SL

This site has had 2 applications since 2025: 1 approved, 0 refused.

• 25/4912/HSE Granted

  9 Park Avenue London NW11 7SL

  Single storey rear extension with 1no. rooflight. Alterations to roof above kitchen. External level drop down with new steps. New terrace area with new garden retaining wall

  Decided 2 Feb 2026 Householder

1. 6 Nov 2026

   Received by Barnet

2. 6 Nov 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 1 January 2027, 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.

• 25/4912/HSE Granted

  9 Park Avenue London NW11 7SL

  Single storey rear extension with 1no. rooflight. Alterations to roof above kitchen. External level drop down with new steps. New terrace area with new garden retaining wall

  Decided 2 Feb 2026 Householder

This application is with Barnet for determination, against a statutory target of eight weeks. Over the last year Barnet's median decision took 45 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.

• 3 Park Avenue London NW11 7SL

  26/2623/FUL Submitted 14 Jul 2026 50 yards away

  63% historically approved · decision due ~8 Sep

  Demolition of existing dwellinghouse and construction of new two storey detached dwellinghouse with room in the roof, associated amenity space, off-street parking, refuse and cycle parking and installation of air source heat pump within a timber enclosure

  Decided Full applications Demolition 16 docs
  Domestic

• 25 Park Avenue London NW11 7SL

  26/2656/HSE Submitted 16 Jul 2026 50 yards away

  77% historically approved · decision due ~11 Sep

  Roof extension including hip to gable to both sides with gable windows, 3no. dormer windows to front elevation, 2no. dormer windows and 2no. rooflights to rear elevation. Alterations to existing chimneys. Replacement of existing ground and first floor windows

  Decided Householder Extension Loft or dormer +1 20 docs
  Domestic

• 9 Park Avenue London NW11 7SL

  25/4912/HSE Submitted 8 Dec 2025 50 yards away

  Single storey rear extension with 1no. rooflight. Alterations to roof above kitchen. External level drop down with new steps. New terrace area with new garden retaining wall

  Granted Householder Extension Loft or dormer 24 docs
  Small domestic

• 16 Park Avenue London NW11 7SJ

  26/3447/192 Submitted 22 Sep 2026 50 yards away

  78% historically approved · decision due ~24 Nov

  Alterations to existing roof extension involving hip to gable extension, enlargement of existing rear dormer window, 2no. rooflights on dormer roof, 1no. front, 1no. rear facing rooflights and 1no. circular window to gable end

  Awaiting decision Extension Loft or dormer +1

• 16 Park Avenue London NW11 7SJ

  25/4487/192 Submitted 11 Nov 2025 50 yards away

  Roof extension involving hip to gable with rear dormer window. Single storey side and rear extension insertion of 1no. rooflight, new front hardstanding to driveway and walkway with new pedestrian gate, new bin store to front (Approved under 24/3493/HSE)

  Withdrawn Lawful development Extension Loft or dormer +1 12 docs
  Small domestic

• 25 Park Avenue London NW11 7SL

  26/1354/192 Submitted 13 Apr 2026 50 yards away

  Alterations to 3no. existing chimneys and minor alterations to existing side dormer (Phase 1) Roof extensions and alterations involving 2no. side facing hip to gable extensions, 3no. front facing dormer windows, 2 no. rear facing dormer windows, new side gable windows and 2no. rear facing rooflights (Phase 2)

  Granted Lawful development Extension Loft or dormer +1 23 docs