9 Grange Avenue London N20 8AA

This site has had 2 applications since 2025.

• 25/3932/192 Awaiting decision

  9 Grange Avenue London N20 8AA

  Erection of a swimming pool in the rear garden

  Submitted 25 Sep 2025 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.

• 9 Grange Avenue London N20 8AA

  25/3932/192 Submitted 25 Sep 2025 50 yards away

  80% historically approved · decision due ~20 Nov

  Erection of a swimming pool in the rear garden

  Awaiting decision Lawful development 3 docs

• 11 Grange Avenue London N20 8AA

  TCP/0715/25 Submitted 28 Oct 2025 50 yards away

  1 x Oak (applicants ref. T1) - Select crown reduction of up to 2 metres to balence crown and relieve weight for limbs.

  Decided Trees 4 docs

• 4 Grange Avenue London N20 8AD

  TPP/0568/26 Submitted 16 Sep 2026 100 yards away

  78% historically approved · decision due ~16 Nov

  1 x Dead Beech (applicants ref. T1) - Fell. Standing in T27 of Tree Preservation Order. (Exempt works, 5 day notice)

  Awaiting decision Trees

• 28 Grange Avenue London N20 8AD

  TPP/0351/26 Submitted 23 Jun 2026 100 yards away

  78% historically approved · decision due ~18 Aug

  1 x Oak (applicants ref. T2) - Reduce canopy by 2 metres to strong growth points, tidying poorly pruned limbs. Standing in Group G1 of Tree Preservation Order.

  Awaiting decision Trees

• Whyte Lodge Grange Avenue London N20 8AA

  TCP/0085/26 Submitted 12 Feb 2026 150 yards away

  1 X Sycamore: Simple pruning of 2 metres to remove dead and or diseased branches without changing shape of tree.

  Decided Trees 11 docs

• 96 Totteridge Village London N20 8AE

  TCP/0052/26 Submitted 26 Jan 2026 200 yards away

  88% historically approved · decision due ~23 Mar

  1 x Fallen Tree - Remove. Exempt work.

  Awaiting decision Trees 6 docs

• 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
• 26/3863/HSE Awaiting decision

  12 Vale Drive Barnet EN5 2ED

  Single storey side and rear extension

  Received 23 Oct, published by the council 24 Oct 2026 Householder
• 26/3858/HSE Awaiting decision

  131 Rushgrove Avenue London NW9 6RG

  Single storey rear extension. New front porch

  Received 23 Oct, published by the council 24 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