77 Brookside South Barnet EN4 8LL

1. 16 Feb 2026

   Received by Barnet

2. 26 Feb 2026

   Validated

   Checked as complete and ready for consideration.

3. 5 Mar 2026

   Decision issued: Lawful

4. 10 Aug 2026

   Added to PlanIndex

Barnet granted permission on 5 March 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.

• Land Adjacent To 57 And 59 Brookside South Barnet EN4 8LJ

  25/4587/FUL Submitted 17 Nov 2025 100 yards away

  63% historically approved · decision due ~19 Jan

  Erection of a two storey detached dwelling with rooms in the roofspace. Associated new vehicular access to provide off-street parking, amenity space, refuse/recycling and cycle storage

  Awaiting decision Full applications New dwelling 13 docs
  Domestic

• 39 Knoll Drive London N14 5LU

  26/3567/HSE Submitted 2 Oct 2026 100 yards away

  77% historically approved · decision due ~27 Nov

  First floor side extension and first floor rear window enlargement

  Awaiting decision Householder Extension Windows or glazing
  Domestic

• 39 Knoll Drive London N14 5LU

  26/3566/192 Submitted 2 Oct 2026 100 yards away

  79% historically approved · decision due ~27 Nov

  Roof extension involving hip to gable, rear dormer window and 4no. front facing rooflights. Single storey side/rear infill extension and insertion of 3no. roof lights. Fenestration changes to the rear, new rear terrace with access steps and glass balustrade. Increase in ridge height of existing rear and side extensions. (AMENDED)

  Awaiting decision Extension Loft or dormer +2
  Small domestic

• 42 Brookside South Barnet EN4 8LW

  26/2123/192 Submitted 8 Jun 2026 150 yards away

  Use of room of residential dwelling as office for mini cab administrative purposes

  Granted Lawful development 4 docs
  Domestic

• 103 Brookside South Barnet EN4 8LL

  26/1777/HSE Submitted 12 May 2026 150 yards away

  Single storey rear extension with new raised levelled patio area and access steps to garden following demolition of the existing garage

  Granted Householder Extension Demolition 6 docs
  Small domestic

• 105 Brookside South Barnet EN4 8LL

  25/4933/HSE Submitted 9 Dec 2025 150 yards away

  77% historically approved · decision due ~3 Feb

  Single storey rear extension with new raised patio area with associated access steps following demolition of the existing garage

  Awaiting decision Householder Extension Demolition 9 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