26/2301/192

1. 18 Jun 2026

   Received by Barnet

2. 25 Jul 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   The statutory target is eight weeks for most applications and thirteen for major development. Extensions of time are common.

This application is with Barnet for determination. The council publicises it, consults neighbours and technical bodies where required, and weighs the responses against local and national planning policy.

The statutory target is eight weeks for most applications and thirteen for major development, though extensions of time are common. Comments carry most weight while the case is undecided, so check the council portal for the deadline if you want to respond.

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

• 26/2697/HSE Awaiting decision

  12 Hopkins Close London N10 2PF

  Single storey rear extension with flat roof and 1no. skylight. Roof extension involving rear dormer window and 2no. front facing rooflights and new side window

  21 Jul 2026 0m away Householder
• 26/0836/191 Decided

  270 Colney Hatch Lane London N10 1BD

  Use as 2no. self-contained flats

  5 Mar 2026 66m away Lawful development
• 26/1718/HSE Awaiting decision

  5 Hampden Road London N10 2HP

  First floor rear extension including Juliette balcony. New rear rooflight window. Replacement of pitched roof over ground floor projection with flat roof and raised rooflight

  7 May 2026 98m away Householder
• 26/2210/FUL Awaiting decision

  50B Cromwell Road London N10 2PD

  Extension of existing rear dormer over the outrigger with new enclosed veranda EXTENSION TO EXISTING DORMER OVER THE REAR OUTRIGGER INCLUDING CREATION AN ENCLOSED OUTSIDE VERANDA

  15 Jun 2026 102m away Full applications
• 26/1699/192 Awaiting decision

  53 Pembroke Road London N10 2HX

  Roof extension involving rear dormer window and 1no. additional front facing rooflight

  6 May 2026 186m away Lawful development
• 26/1065/192 Awaiting decision

  53 Pembroke Road London N10 2HX

  Roof extension involving rear dormer window

  19 Mar 2026 186m away Lawful development

• 26/2836/192 Awaiting decision

  20 Derwent Avenue Barnet EN4 8LX

  Roof extension involving rear dormer window with juliette balcony

  31 Jul 2026 Lawful development
• 26/2815/192 Awaiting decision

  18 Boyne Avenue London NW4 2JN

  Roof extension involving rear dormer window and 2no. front facing rooflights

  30 Jul 2026 Lawful development
• 26/2824/192 Awaiting decision

  41 Greenway Close London N20 8ES

  Erection of a rear outbuilding

  30 Jul 2026 Lawful development
• 26/2809/192 Awaiting decision

  43A Clifford Road Barnet EN5 5PD

  Single storey rear extension following the demolition of existing canopy

  29 Jul 2026 Lawful development
• 26/2806/192 Awaiting decision

  14 Lincoln Road London N2 9DL

  Roof extension involving 1no. rear dormer window over main roof with juliette balcony and 1no. rear dormer over outrigger roof and 3no. front facing rooflights. Alterations to existing lean-to to form rear extension with flat roof with parapet walls and 1no. skylight. Alterations to fenestration and doors

  29 Jul 2026 Lawful development