40 Westbury Road London N12 7PD

This site has had 3 applications since 2025: 1 approved, 0 refused.

• 26/0521/192 Awaiting decision

  40 Westbury Road London N12 7PD

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

  Submitted 10 Feb 2026 Lawful development
• 25/4847/192 Awaiting decision

  40 Westbury Road London N12 7PD

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

  Submitted 3 Dec 2025 Lawful development

1. 16 Feb 2026

   Received by Barnet

2. 17 Feb 2026

   Decision issued: Lawful

3. 10 Aug 2026

   Added to PlanIndex

Barnet granted permission on 17 February 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.

• 40 Westbury Road London N12 7PD

  25/4847/192 Submitted 3 Dec 2025 50 yards away

  80% historically approved · decision due ~29 Jan

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

  Awaiting decision Lawful development Extension Loft or dormer +1 7 docs

• 40 Westbury Road London N12 7PD

  26/0521/192 Submitted 10 Feb 2026 50 yards away

  80% historically approved · decision due ~7 Apr

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

  Awaiting decision Lawful development Extension Loft or dormer +1 8 docs

• 1 Argyle Road London N12 7NU

  26/1675/RCU Submitted 5 May 2026 50 yards away

  65% historically approved · decision due ~1 Jul

  Installation of football goal net with floodlights, boundary netting and supports (Retrospective Application)

  Awaiting decision Amendments 6 docs

• Brook Lodge 7A Argyle Road London N12 7HS

  21/5354/192 Submitted 8 Oct 2021 100 yards away

  Single storey side extension

  Granted Lawful development Extension 11 docs
  Small domestic

• 65 Westbury Road London N12 7PB

  26/2670/HSE Submitted 17 Jul 2026 150 yards away

  77% historically approved · decision due ~11 Sep

  Erection of a rear outbuilding following demolition of the existing outbuilding

  Decided Householder Demolition
  Small domestic

• 68 Avondale Avenue London N12 8EN

  26/0282/HSE Submitted 26 Jan 2026 150 yards away

  Single storey rear extension with raised terrace area and associated access steps

  Granted Householder Extension 11 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