17 Green Walk London NW4 2AL

1. 25 Nov 2021

   Received by Barnet

2. 2 Dec 2021

   Decision issued: Lawful

3. 25 Sep 2026

   Added to PlanIndex

Barnet granted permission on 2 December 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.

• 35 Green Walk London NW4 2AL

  21/6185/192 Submitted 24 Nov 2021 50 yards away

  Roof extension involving hip to gable, rear dormer windows, side gable window and 3no front facing rooflights

  Granted Lawful development Extension Loft or dormer +1 11 docs

• Independent Jewish Day School 46 Green Lane London NW4 2AH

  TPP/0839/25 Submitted 15 Dec 2025 100 yards away

  88% historically approved · decision due ~9 Feb

  1 x Oak - To reduce tree by 30% in overall canopy, estimated 3 meters in height from 25 meters in height to 22 meters in height. To reduce the trees spread by 4 meters from an estimated 20 meters NS to 16 meters NS and estimated 20 meters spread EW to 16 meters EW. To lift lower branches to crown break, estimated 8 meters from ground level. To thin branches by 10% and dead wood from significant branches above 10cm. Standing in T1 of Tree Preservation Order.

  Awaiting decision Trees 6 docs

• 115 Bell Lane London NW4 2AR

  26/1571/191 Submitted 27 Apr 2026 100 yards away

  Use of outbuilding as self-contained unit

  Granted Lawful development 7 docs

• 38 Green Walk London NW4 2AJ

  26/2401/HSE Submitted 24 Jun 2026 100 yards away

  Part single, part two storey rear extension

  Granted Householder Extension 11 docs
  Domestic

• 5 Holmfield Avenue London NW4 2LP

  26/0940/192 Submitted 12 Mar 2026 150 yards away

  Roof extension involving hip to gable, rear dormer window and 2no. front facing rooflights

  Granted Lawful development Extension Loft or dormer +1 5 docs

• 24 Albert Road London NW4 2SG

  21/5177/PNH Submitted 27 Sep 2021 150 yards away

  Single Storey rear extension with a proposed depth of 6 metres from the original rear wall with a maximum height of 3 metres and an eaves height of 3 metres.

  Refused Prior approval Extension 5 docs
  Small 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