31 Allandale Avenue London N3 3PY

This site has had 6 applications since 2025: 2 approved, 2 refused.

• 26/2799/CON Decided

  31 Allandale Avenue London N3 3PY

  Submission of details of condition 7 (Levels) 8 (Excavation for services) 9 (Tree Protection & Method Statement) 10 (Details of Foundations) pursuant to planning permission 26/1837/HSE dated 07/07/2026

  Submitted 29 Jul 2026
• 26/1982/CON Awaiting decision

  31 Allandale Avenue London N3 3PY

  Submission of details of condition 7 (Levels) 8 (Excavation for Services) 9 (Tree Protection & Method Statement) 10 (Details of Foundations) pursuant to planning permission 26/0944/HSE dated 05/05/2026

  Submitted 28 May 2026 Conditions
• 26/1837/HSE Granted

  31 Allandale Avenue London N3 3PY

  Two storey side and rear extension with rear balcony with associated privacy screen and balustrade. Insertion of 3no. front facing rooflights

  Decided 7 Jul 2026 Householder
• 26/0944/HSE Granted

  31 Allandale Avenue London N3 3PY

  Two storey side and rear extension with rear balcony with associated privacy screen and balustrade. Insertion of 3no. front facing rooflights.

  Decided 5 May 2026 Householder
• 25/4892/192 Refused

  31 Allandale Avenue London N3 3PY

  Erection of a rear outbuilding

  Decided 14 Jan 2026 Lawful development

1. 17 Oct 2025

   Received by Barnet

2. 22 Oct 2025

   Validated

   Checked as complete and ready for consideration.

3. 19 Nov 2025

   Decision issued: Unlawful

4. 10 Aug 2026

   Added to PlanIndex

Barnet refused this application for the reasons on the decision notice; only the applicant can appeal, and refused schemes often return in revised form. More in our guide to what happens after a planning decision.

A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.

• 31 Allandale Avenue London N3 3PY

  26/0944/HSE Submitted 12 Mar 2026 50 yards away

  Two storey side and rear extension with rear balcony with associated privacy screen and balustrade. Insertion of 3no. front facing rooflights.

  Granted Householder Extension Loft or dormer 18 docs
  Domestic

• 31 Allandale Avenue London N3 3PY

  26/1982/CON Submitted 28 May 2026 50 yards away

  93% historically approved · decision due ~23 Jul

  Submission of details of condition 7 (Levels) 8 (Excavation for Services) 9 (Tree Protection & Method Statement) 10 (Details of Foundations) pursuant to planning permission 26/0944/HSE dated 05/05/2026

  Awaiting decision Conditions Trees 7 docs

• 31 Allandale Avenue London N3 3PY

  25/4892/192 Submitted 5 Dec 2025 50 yards away

  Erection of a rear outbuilding

  Refused Lawful development 6 docs

• 31 Allandale Avenue London N3 3PY

  26/1837/HSE Submitted 15 May 2026 50 yards away

  Two storey side and rear extension with rear balcony with associated privacy screen and balustrade. Insertion of 3no. front facing rooflights

  Granted Householder Extension Loft or dormer 19 docs
  Domestic

• 31 Allandale Avenue London N3 3PY

  26/2799/CON Submitted 29 Jul 2026 50 yards away

  79% historically approved · decision due ~23 Sep

  Submission of details of condition 7 (Levels) 8 (Excavation for services) 9 (Tree Protection & Method Statement) 10 (Details of Foundations) pursuant to planning permission 26/1837/HSE dated 07/07/2026

  Decided Trees

• 1-12 Voysey Close London N3 3TR

  TPP/0004/26 Submitted 4 Jan 2026 150 yards away

  2 x Dead Birch (applicants ref. Group 1) - Remove. Standing in Group G10 of Tree Preservation Order. 1 x Dead Robinia (applicants ref. T2) -Remove. Standing in Group G10 of Tree Preservation Order.

  Decided Trees 4 docs

• 26/2679/192 Granted

  21 Myddelton Park London N20 0JH

  Single storey rear extension and increase in ridge height of existing rear outrigger (Amended description).

  Received 20 Jul, published by the council 7 Aug 2026 Lawful development
• 26/1362/191 Refused

  145 Cotswold Gardens London NW2 1PL

  Use as a House in Multiple Occupation (HMO) for 6 people

  Received 14 Apr, published by the council 25 Jul 2026 Lawful development
• 26/1907/191 Granted

  8 Golders Manor Drive London NW11 9HT

  Use of the property as a self-contained residential unit at ground floor level and the first and second floors as a 4-bedroom, 4-person House in Multiple Occupation (Sui Generis) (AMENDED DESCRIPTION)

  Received 21 May, published by the council 16 Aug 2026 Lawful development
• 26/2392/192 Refused

  6 Mostyn Road Edgware HA8 0JD

  New front hardstanding and vehicular access to provide off-street parking

  Received 23 Jun, published by the council 9 Aug 2026 Lawful development
• 26/2059/192 Refused

  Low Ridge Rowley Lane Barnet EN5 3HS

  Erection of a rear outbuilding

  Received 3 Jun, published by the council 16 Aug 2026 Lawful development