70 Weirdale Avenue London N20 0AG

1. 2 Feb 2026

   Received by Barnet

2. 3 Feb 2026

   Validated

   Checked as complete and ready for consideration.

3. 10 Aug 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 31 March 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 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 lawful development applications in a median of 28 days. More in our guide to how long planning decisions take.

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.

• 1 Weirdale Avenue London N20 0AN

  26/2952/HSE Submitted 10 Aug 2026 100 yards away

  77% historically approved · decision due ~5 Oct

  Single storey rear extension following demolition of the existing conservatory. Alterations to patio steps. (amended description).

  Awaiting decision Householder Extension Demolition
  Small domestic

• 96A Weirdale Avenue London N20 0AH

  26/1267/CON Submitted 2 Apr 2026 100 yards away

  93% historically approved · decision due ~28 May

  Submission of details of condition 6 (Details of Cycle Parking and Storage) 7 (Refuse and Recycling) 8 (Hard and soft landscaping) pursuant to planning permission 23/2239/FUL dated 02/01/2024

  Awaiting decision Conditions 4 docs

• 96A Weirdale Avenue London N20 0AH

  26/1266/CON Submitted 2 Apr 2026 100 yards away

  Submission of details of condition 13 (Low Impact Lighting - Bats) pursuant to planning permission 23/2239/FUL dated 02/01/2024

  Granted Conditions 4 docs

• 96A Weirdale Avenue London N20 0AH

  25/5031/NMA Submitted 16 Dec 2025 100 yards away

  65% historically approved · decision due ~11 Feb

  Non material amendment to planning permission original ref 23/2239/FUL dated 02/01/2024 for 'Demolition of existing 2no. garages, removal of existing chimney and pitched roof and partial demolition of the front elevation. Conversion of existing 2no. flats into 5no. self-contained flats including the construction of 2 no. two storey side extensions; a two storey front and rear extensions (incorporating a new lower ground floor level to the rear); and a replacement roof and chimney to create a new second floor level. Provision of 5 no. off-street parking spaces, cycle parking, refuse storage and amenity spaces'. Amendments includes alterations to the wording of the proposed development

  Awaiting decision Amendments New dwelling Extension +2 11 docs
  Several homes

• 98 Weirdale Avenue London N20 0AH

  25/4372/HSE Submitted 3 Nov 2025 150 yards away

  Single storey side/rear extension with new patio area following demolition of the existing garage. First floor side extension. Hip-to-gable roof extension (amended description)

  Refused Householder Extension Loft or dormer +1 12 docs
  Small domestic

• 98 Weirdale Avenue London N20 0AH

  26/0529/HSE Submitted 11 Feb 2026 150 yards away

  77% historically approved · decision due ~8 Apr

  Part single, part two-storey side and rear extension with parapet wall. Associated alterations to existing patio with new access steps to garden. Single storey front/side extension to existing garage with new flat roof

  Awaiting decision Householder Extension 18 docs
  Small domestic

• 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