6 Halliwick Road London N10 1AB

1. 10 Feb 2026

   Received by Barnet

2. 11 Feb 2026

   Validated

   Checked as complete and ready for consideration.

3. 3 Mar 2026

   Decision issued: Lawful

4. 10 Aug 2026

   Added to PlanIndex

Barnet has decided this application; the outcome above is the register's own wording and the decision notice on the council portal carries the detail. 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.

• 11 Halliwick Road London N10 1AA

  25/3931/HSE Submitted 25 Sep 2025 47m away

  77% historically approved · decision due ~20 Nov

  Single storey side/rear infill extension with 4no. side rooflights and alterations to existing patio/decking area levels

  Awaiting decision Householder Extension Loft or dormer 15 docs
  Small domestic

• First And Second Floor Maisonette 103 Colney Hatch Lane London N10 1LR

  26/0357/191 Submitted 30 Jan 2026 83m away

  79% historically approved · decision due ~2 Apr

  Use of a first and second floors as 2no. self-contained flats

  Awaiting decision Lawful development New dwelling 22 docs

• 11 Wetherill Road London N10 2LS

  26/0400/HSE Submitted 3 Feb 2026 138m away

  77% historically approved · decision due ~6 Apr

  Mansard roof extension involving front and rear dormer windows

  Awaiting decision Householder Extension Loft or dormer +1 5 docs
  Domestic

• 46 Halliwick Road London N10 1AB

  26/0352/HSE Submitted 29 Jan 2026 144m away

  Single storey rear and side extension with new sunken patio area. Roof extension including hip to gable, rear dormer window with juliette balcony, 3no. front facing rooflights and new side gable window. Relocation of front entrance door and new canopy

  Granted Householder Extension Loft or dormer +1 5 docs
  Small domestic

• The Minstrel Boy 156 Colney Hatch Lane London N10 1ET

  24/1701/191 Submitted 29 Apr 2024 155m away

  Use as 7no. Studio flats (Amended Description)

  Decided Lawful development New dwelling 47 docs

• 85 Colney Hatch Lane London N10 1LR

  26/2591/FUL Submitted 10 Jul 2026 156m away

  60% historically approved · decision due ~14 Sep

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

  Awaiting decision Full applications Extension Loft or dormer +1

• 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