49 Temple Avenue London N20 9EL

1. 21 Oct 2025

   Received by Barnet

2. 17 Nov 2025

   Decision issued: Lawful

3. 10 Aug 2026

   Added to PlanIndex

Barnet granted permission on 17 November 2025, 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.

• Netherlands Road Barnet EN5 1DL

  TPP/0303/26 Submitted 28 May 2026 50 yards away

  88% historically approved · decision due ~23 Jul

  Works affecting 8 x London Plane - Intallation of new 33KV power cable beneath Netherlands Road, EN5 1DL. Standing in Group G1 of Tree Preservaion Order.

  Awaiting decision Trees 6 docs

• On Grass Outside 74 - 76 Buckingham Avenue London N20 9DH

  25/3476/LIC Submitted 21 Aug 2025 50 yards away

  Installation of 1no. 12m wooden pole

  Withdrawn 1 doc

• 4 Holland Close Barnet EN5 1DJ

  26/1828/192 Submitted 15 May 2026 100 yards away

  Roof extension involving rear dormer window and 1no. rear and 3no. front facing rooflights

  Granted Lawful development Extension Loft or dormer +1 10 docs

• 14 Mallard Close Barnet EN5 1DH

  25/4462/HSE Submitted 10 Nov 2025 100 yards away

  Conversion of the existing garage into habitable room, insertion of window to replace garage door. Alterations to rear fenestration including new french doors and new window

  Granted Householder Windows or glazing 7 docs
  Domestic

• 101 Chandos Avenue London N20 9EG

  26/0335/192 Submitted 28 Jan 2026 150 yards away

  Roof extension involving partial hip to gable to either side, rear dormer window with juliette balcony and 3no. front facing rooflights. Removal of chimney stacks

  Granted Lawful development Extension Loft or dormer +1 11 docs

• 118 Netherlands Road Barnet EN5 1BX

  25/3972/HSE Submitted 1 Oct 2025 150 yards away

  77% historically approved · decision due ~27 Nov

  Part single, part two storey side and rear extension including a lantern rooflight to ground floor rear roof, following demolition of the existing lean to and rear garage. Associated alterations and extensions to roof including rear dormer window, and 1no. rooflight to front, rear and side roofslopes. Alterations to hard and soft landscaping to rear garden including new rear patio

  Awaiting decision Householder Extension Loft or dormer +2 23 docs
  Domestic

• 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