105 Southfields London NW4 4NA

1. 23 Apr 2026

   Received by Barnet

2. 24 Apr 2026

   Validated

   Checked as complete and ready for consideration.

3. 7 May 2026

   Decision issued: Lawful

4. 25 Jul 2026

   Added to PlanIndex

Barnet granted permission on 7 May 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.

• 91 Southfields London NW4 4NA

  25/5149/HSE Submitted 22 Dec 2025 50 yards away

  77% historically approved · decision due ~2 Mar

  Single storey rear extension with 2no. rooflights. Modification of the existing front porch entrance. Replacement of existing windows. Insertion of 1no. front facing rooflight

  Awaiting decision Householder Extension Loft or dormer +1 16 docs
  Small domestic

• 320 - 322 Watford Way London NW4 4UY

  25/5163/FUL Submitted 23 Dec 2025 50 yards away

  61% historically approved · decision due ~18 Feb

  Erection of a rear outbuilding for use ancillary as games room/gym to main property, relocation of bin and cycle storage area following the demolition of existing outbuilding/bike storage

  Awaiting decision Full applications Demolition 6 docs

• 11 Clarendon Gardens London NW4 4UU

  26/1876/192 Submitted 19 May 2026 100 yards away

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

  Granted Lawful development Extension Loft or dormer +1 8 docs

• 330 Watford Way London NW4 4UY

  25/3817/HSE Submitted 17 Sep 2025 100 yards away

  77% historically approved · decision due ~12 Nov

  Single storey rear extension following demolition of the existing extension

  Awaiting decision Householder Extension Demolition 8 docs
  Small domestic

• 11 Clarendon Gardens London NW4 4UU

  26/2017/HSE Submitted 29 May 2026 100 yards away

  Part single storey, part first floor rear extension with pitched roof

  Refused Householder Extension 12 docs
  Small domestic

• 330 Watford Way London NW4 4UY

  25/4585/HSE Submitted 17 Nov 2025 100 yards away

  Single storey rear extension following demolition of the existing extension

  Granted Householder Extension Demolition 8 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
• 26/1907/191 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
• 26/2059/192 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
• 26/2066/192 Granted

  355 Hendon Way London NW4 3NB

  Roof extension involving rear dormer window and 3no. front facing rooflights. Removal of chimney on rear elevation (AMENDED DESCRIPTION)

  Received 3 Jun, published by the council 16 Aug 2026 Lawful development
• 26/2525/192 Granted

  39 Ridgeway Avenue Barnet EN4 8TN

  Single storey rear extension

  Received 6 Jul, published by the council 9 Aug 2026 Lawful development