14 Southbourne Crescent London NW4 2JY

1. 11 Sep 2025

   Received by Barnet

2. 10 Aug 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 6 November 2025, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

   Barnet took a median of 46 days over the applications it decided in the last year.

This application is with Barnet for determination, against a statutory target of eight weeks. Over the last year Barnet decided lawful development applications in a median of 28 days. More in our guide to how long planning decisions take.

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.

• Geraldene Greenbank Crescent London NW4 2LA

  26/1213/HSE Submitted 30 Mar 2026 50 yards away

  77% historically approved · decision due ~2 Jun

  Conversion of the garage into a habitable room with front extension and insertion of window to replace garage door. Alteration to porch roof. First floor side extension with alteration to roof over existing side extension. Removal of chimney stacks (AMENDED DESCRIPTION)

  Awaiting decision Householder Extension Windows or glazing 17 docs
  Small domestic

• Highbank Greenbank Crescent London NW4 2LA

  26/2528/192 Submitted 6 Jul 2026 50 yards away

  78% historically approved · decision due ~31 Aug

  Use of a (Class 3a) dwelling as a children's home for up to three children, with a manager and three carers, two of whom would stay overnight, working on a rota basis (Class C2).

  Awaiting decision
  Domestic

• Highbank Greenbank Crescent London NW4 2LA

  26/3266/192 Submitted 8 Sep 2026 50 yards away

  78% historically approved · decision due ~9 Nov

  Use of a (Class 3a) dwelling as a children's home for up to two children, with a manager and two carers, two of whom would stay overnight, working on a rota basis (Class C2)

  Awaiting decision
  Domestic

• 21 Southbourne Crescent London NW4 2LB

  26/2613/HSE Submitted 13 Jul 2026 50 yards away

  77% historically approved · decision due ~7 Sep

  Two storey side and part single, part two storey rear extension following demolition of existing garage. New rear patio and steps to garden. Alterations to the rear dormer window and front rooflights. New front porch

  Decided Householder Extension Loft or dormer +2
  Small domestic

• 7 Southbourne Crescent London NW4 2LB

  26/3823/PNH Submitted 21 Oct 2026 50 yards away

  56% historically approved · decision due ~16 Dec

  Single storey rear extension added to an existing extension with the total extension measuring 6.00 metres deep, with a maximum height of 3.00 metres and an eaves height of 3.00 metres.

  Awaiting decision Prior approval Extension
  Small domestic

• 21 Southbourne Crescent London NW4 2LB

  26/0989/HSE Submitted 16 Mar 2026 100 yards away

  77% historically approved · decision due ~12 May

  Two storey side and part single, part two storey rear extension following demolition of existing garage. Alterations and extensions to roof including enlargement of rear dormer window and insertion of 2no. rooflights to front roofslope. New rear patio and steps to garden. New front porch

  Awaiting decision Householder Extension Loft or dormer +2 30 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