74 Summerlee Avenue London N2 9QH

1. 26 Jan 2026

   Received by Barnet

2. 23 Mar 2026

   Decision issued: Lawful

3. 10 Aug 2026

   Added to PlanIndex

Barnet granted permission on 23 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.

• 82 Summerlee Avenue London N2 9QH

  26/3270/HSE Submitted 8 Sep 2026 50 yards away

  77% historically approved · decision due ~4 Nov

  Erection of wooden bike shed in the front garden

  Awaiting decision Householder
  Small domestic

• 55 Summerlee Avenue London N2 9QJ

  26/1048/HSE Submitted 18 Mar 2026 100 yards away

  Single storey rear extension with 2no. roof lanterns

  Granted Householder Extension 5 docs
  Small domestic

• 55 Summerlee Avenue London N2 9QJ

  26/1649/HSE Submitted 1 May 2026 100 yards away

  Single storey rear extension with 2no. roof lanterns. Alterations to the existing patio area. Replacement of existing side store and insertion of 1no. rooflight

  Granted Householder Extension Loft or dormer 8 docs
  Small domestic

• 1 Summerlee Gardens London N2 9QN

  25/4756/192 Submitted 28 Nov 2025 100 yards away

  Single storey side return extension. Roof extension involving hip to gable with rear dormer windows with 3no. front facing rooflights

  Refused Lawful development Extension Loft or dormer +1 22 docs
  Small domestic

• 1 Summerlee Gardens London N2 9QN

  26/0028/HSE Submitted 5 Jan 2026 100 yards away

  77% historically approved · decision due ~3 Mar

  Single storey side return extension. Roof extension involving hip to gable with rear dormer windows with 3no. front facing rooflights

  Awaiting decision Householder Extension Loft or dormer +1 22 docs
  Small domestic

• 49 Baronsmere Road London N2 9QG

  25/4030/HSE Submitted 6 Oct 2025 100 yards away

  77% historically approved · decision due ~1 Dec

  Single storey side/rear extension

  Awaiting decision Householder Extension 3 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