26 Russell Road London N20 0TS

1. 7 Nov 2025

   Received by Barnet

2. 10 Nov 2025

   Validated

   Checked as complete and ready for consideration.

3. 23 Dec 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.

• 24 Russell Road London N20 0TS

  26/3283/HSE Submitted 9 Sep 2026 50 yards away

  77% historically approved · decision due ~17 Nov

  First floor rear extension with pitched roof

  Awaiting decision Householder Extension
  Domestic

• 4 Russell Road London N20 0TS

  26/0525/PNH Submitted 10 Feb 2026 100 yards away

  56% historically approved · decision due ~7 Apr

  Single storey rear extension with a maximum depth of 6.0m, maximum height of 2.96m and an eaves height of 2.7m

  Awaiting decision Prior approval Extension 5 docs
  Small domestic

• 169 Oakleigh Road North London N20 0TG

  25/3648/HSE Submitted 4 Sep 2025 150 yards away

  77% historically approved · decision due ~31 Oct

  Part single, part two storey rear extension. New front porch

  Awaiting decision Householder Extension 10 docs
  Small domestic

• 35 Simmons Way London N20 0TH

  25/3374/HSE Submitted 12 Aug 2025 150 yards away

  Single storey side and rear extension with 1no. skylight. Removal of internal chimneys

  Granted Householder Extension 16 docs
  Small domestic

• The Mews Cottage 20 And A Half Oakleigh Park South London N20 9JU

  26/0724/FUL Submitted 25 Feb 2026 200 yards away

  Conversion of existing dwelling into 2no. single family dwellings. Replacement of existing front door to provide two front doors. Alterations to the access to the ground floor flat. Associated refuse/recycling and cycle storage and off-street parking.

  Granted Full applications 8 docs
  Domestic

• The Mews Cottage 20 And A Half Oakleigh Park South London N20 9JU

  26/1578/CON Submitted 27 Apr 2026 200 yards away

  Submission of details of condition 4 (Cycle parking/storage) 5 (Refuse storage/collection) 9 (Enclosure/boundary treatment) pursuant to planning permission 26/0724/FUL dated 22/04/2026

  Granted Conditions 3 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