1 Cromwell Road London N3 2ET

1. 21 Apr 2026

   Received by Barnet

2. 25 Jul 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 16 June 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 44 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.

• 2 Cromwell Road London N3 2ET

  26/1107/PNH Submitted 23 Mar 2026 28m away

  Single storey rear extension with a proposed depth of 4.30m, maximum height of 3.20m and an eaves height of 3.00m

  Granted Prior approval Extension 11 docs
  Small domestic

• 2 Cromwell Road London N3 2ET

  26/1104/192 Submitted 23 Mar 2026 28m away

  Single storey rear extension

  Granted Lawful development Extension 8 docs
  Small domestic

• 187 Long Lane London N3 2RE

  25/3434/HSE Submitted 18 Aug 2025 104m away

  Single storey side and rear extension to replace existing structure

  Granted Householder Extension 7 docs
  Small domestic

• Ground Floor Flat 155 Squires Lane London N3 2AA

  26/1430/FUL Submitted 17 Apr 2026 128m away

  61% historically approved · decision due ~18 Jun

  Replacement and reconfiguration of the existing rear fenestration

  Awaiting decision Full applications Windows or glazing 6 docs

• Finchley Fire Station 227 Long Lane London N3 2RP

  26/1449/CON Submitted 20 Apr 2026 136m away

  Submission of details of condition 5 (Noise mitigation - Extrct & Vent Equip) pursuant to planning permission 25/3196/FUL dated 10/10/2025

  Granted Conditions 5 docs

• 127 Squires Lane London N3 2AE

  26/2080/192 Submitted 4 Jun 2026 153m away

  80% historically approved · decision due ~30 Jul

  Erection of a rear outbuilding

  Awaiting decision Lawful development 5 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
• 26/1907/191 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
• 26/2059/192 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
• 26/2066/192 Granted

  355 Hendon Way London NW4 3NB

  Roof extension involving rear dormer window and 3no. front facing rooflights. Removal of chimney on rear elevation (AMENDED DESCRIPTION)

  Received 3 Jun, published by the council 16 Aug 2026 Lawful development
• 26/2525/192 Granted

  39 Ridgeway Avenue Barnet EN4 8TN

  Single storey rear extension

  Received 6 Jul, published by the council 9 Aug 2026 Lawful development