14 Holly Park London N3 3JD

This site has had 2 applications since 2026.

• 26/3353/HSE Awaiting decision

  14 Holly Park London N3 3JD

  Erection of a rear outbuilding to be used as granny annexe

  Submitted 14 Sep 2026 Householder

1. 14 Sep 2026

   Received by Barnet

2. 15 Sep 2026

   Validated

   Checked as complete and ready for consideration.

3. 15 Sep 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 10 November 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.

• 14 Holly Park London N3 3JD

  26/3353/HSE Submitted 14 Sep 2026 0m away

  77% historically approved · decision due ~10 Nov

  Erection of a rear outbuilding to be used as granny annexe

  Awaiting decision Householder
  Small domestic

• 25 Beechwood Avenue London N3 3AU

  26/3196/HSE Submitted 1 Sep 2026 61m away

  77% historically approved · decision due ~30 Oct

  Single storey side extension. Part single, part two storey rear extension. Creation of new rear patio and steps to garden

  Awaiting decision Householder Extension
  Small domestic

• 7 - 9 Holly Park Gardens London N3 3NG

  26/1357/CON Submitted 13 Apr 2026 118m away

  Submission of details of condition 4 (Materials) pursuant to planning permission 19/5642/FUL dated 17/12/2019

  Granted Conditions 12 docs

• 73A Stanhope Avenue London N3 3LY

  26/1759/FUL Submitted 11 May 2026 126m away

  61% historically approved · decision due ~6 Jul

  Roof extension involving rear dormer window and 3no. front facing rooflights. Removal of existing chimney stack. New side windows

  Awaiting decision Full applications Extension Loft or dormer +1 5 docs

• 40 Beechwood Avenue London N3 3AX

  21/5682/HSE Submitted 26 Oct 2021 136m away

  Two storey side extension, single storey rear extension

  Withdrawn Householder Extension
  Small domestic

• Rear Of 37 Beechwood Avenue London N3 3BB

  25/3948/FUL Submitted 29 Sep 2025 143m away

  Demolition of existing garage. Erection of a two storey dwelling with rooms in the roofspace. Associated hard and soft landscaping, refuse/recycling and cycle store, amenity space and parking (AMENDED DESCRIPTION)

  Refused Full applications Demolition 25 docs
  Domestic