21 Cranbrook Road Barnet EN4 8UP

1. 17 Oct 2025

   Received by Barnet

2. 31 Oct 2025

   Validated

   Checked as complete and ready for consideration.

3. 27 Nov 2025

   Decision issued: Lawful

4. 10 Aug 2026

   Added to PlanIndex

The council has decided this application; the published outcome sits in the record above and the decision notice on the council portal carries the detail, including any conditions.

If permission was granted, work must normally begin within three years of the decision. If it was refused, the applicant can appeal within the statutory time limit or submit a revised scheme.

A lawful development certificate is a legal determination, not a planning judgement. It asks the council to confirm either that existing use or works are lawful, often through the passage of time, or that a proposal would not need planning permission at all. The applicant must prove the facts; the merits of the scheme are not considered.

More on lawful development applications in our guide

• 40 Jackson Road Barnet EN4 8UT

  26/0928/192 Submitted 11 Mar 2026 47m away

  79% historically approved · decision due ~6 May

  Roof extension involving hip to gable, rear dormer window and 2no. front facing rooflights

  Awaiting decision Lawful development Extension Loft or dormer +1 2 docs

• 31 Cranbrook Road Barnet EN4 8UP

  26/0243/HSE Submitted 22 Jan 2026 59m away

  77% historically approved · decision due ~19 Mar

  Single storey rear extension with 2no. rooflights

  Awaiting decision Householder Extension Loft or dormer 9 docs
  Small domestic

• 29 Jackson Road Barnet EN4 8UT

  26/2000/HSE Submitted 29 May 2026 95m away

  Single storey side/rear extension with dual pitched tiled roof, 2no. side and rear rooflights and new patio area following demolition of the existing side extension. New window to rear

  Granted Householder Extension Loft or dormer +2 17 docs
  Small domestic

• 62 Capel Road Barnet EN4 8JE

  26/1337/192 Submitted 10 Apr 2026 171m away

  Erection of a rear outbuilding

  Decided Lawful development 7 docs

• 35 The Hook Barnet EN5 1LQ

  25/5009/HSE Submitted 15 Dec 2025 231m away

  77% historically approved · decision due ~9 Feb

  First floor side and rear extension

  Awaiting decision Householder Extension 3 docs
  Domestic

• 9 The Hook Barnet EN5 1LG

  25/4959/HSE Submitted 11 Dec 2025 240m away

  77% historically approved · decision due ~5 Feb

  Conversion of existing garage into habitable room, insertion of window and new door to replace garage door. Single storey rear extension. Replacement of windows and external doors

  Awaiting decision Householder Extension Windows or glazing 9 docs
  Small domestic

• 26/2679/192 Decided

  21 Myddelton Park London N20 0JH

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

  20 Jul 2026 Lawful development
• 26/1907/191 Decided

  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)

  21 May 2026 Lawful development
• 26/2059/192 Decided

  Low Ridge Rowley Lane Barnet EN5 3HS

  Erection of a rear outbuilding

  3 Jun 2026 Lawful development
• 26/2066/192 Decided

  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)

  3 Jun 2026 Lawful development
• 26/1663/192 Decided

  152 Deans Lane Edgware HA8 9NT

  Change of use from single family dwellinghouse (Class C3a) to supported living accommodation Class C3b)

  5 May 2026 Lawful development