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 granted permission on 3 March 2026, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. 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 50 yards 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 100 yards away

  80% 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

• 85 Colney Hatch Lane London N10 1LR

  26/2591/FUL Submitted 10 Jul 2026 150 yards away

  63% 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 12 docs

• 11 Wetherill Road London N10 2LS

  26/0400/HSE Submitted 3 Feb 2026 150 yards 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 150 yards 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 150 yards away

  Use as 7no. Studio flats (Amended Description)

  Granted Lawful development New dwelling 47 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