12 Highgrove Close London N11 3PT

1. 1 Oct 2021

   Received by Barnet

2. 29 Oct 2021

   Decision issued: Lawful

3. 30 Aug 2026

   Added to PlanIndex

Barnet granted permission on 29 October 2021, 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.

• Comer Homes Sales Office Royal Drive London N11 3FL

  TPP/0390/26 Submitted 6 Jul 2026 50 yards away

  79% historically approved · decision due ~31 Aug

  1 x Lime (applicants ref. T2) - Minor works remove all basal growth. Standing in Group G1 of Tree Preservation Order.

  Awaiting decision Trees

• Comer Homes Sales Office Royal Drive London N11 3FL

  TPP/0385/26 Submitted 6 Jul 2026 50 yards away

  79% historically approved · decision due ~31 Aug

  1 x Willow (applicants ref. T1) - Reduce height of tree by 3 metres to second union, to elleviate some leverage on main decaying stem. Standing in Group G10 of Tree Preservation Order.

  Awaiting decision Trees

• 3 Balmoral Avenue London N11 3QA

  26/3504/RCU Submitted 28 Sep 2026 100 yards away

  79% historically approved · decision due ~9 Dec

  Change of use of the property from a single family dwelling (Class C3) to a 5 bed House in Multiple Occupation (HMO) (Class C4) for 5 people (Retrospective Application) Associated cycle storage

  Awaiting decision
  Domestic

• 7 Earl Close London N11 3PY

  26/2580/HSE Submitted 9 Jul 2026 150 yards away

  Single storey rear extension. New front door following removal of window. Erection of a rear shed

  Refused Householder Extension Windows or glazing 18 docs
  Small domestic

• 15 Hampton Close London N11 3PR

  26/1494/HSE Submitted 22 Apr 2026 150 yards away

  Single storey rear extension with 1no. rooflight and decking area. Conversion of the existing garage into habitable room, insertion of window to replace garage door. Removal of first floor balcony and door and insertion of new window and planter

  Granted Householder Extension Loft or dormer +1 21 docs
  Small domestic

• 6 Kettlewell Close London N11 3FB

  26/0530/192 Submitted 10 Feb 2026 150 yards away

  Roof extension involving rear dormer with juliette balcony and 2no. front facing rooflights (AMENDED DESCRIPTION)

  Granted Lawful development Extension Loft or dormer 10 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