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 has decided this application; the outcome above is the register's own wording and the decision notice on the council portal carries the detail. 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.

• 55 Summerlee Avenue London N2 9QJ

  26/1048/HSE Submitted 18 Mar 2026 85m 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 85m away

  77% historically approved · decision due ~30 Jun

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

  Awaiting decision Householder Extension Loft or dormer 5 docs
  Small domestic

• 1 Summerlee Gardens London N2 9QN

  25/4756/192 Submitted 28 Nov 2025 86m away

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

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

• 1 Summerlee Gardens London N2 9QN

  26/0028/HSE Submitted 5 Jan 2026 91m 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 99m away

  77% historically approved · decision due ~1 Dec

  Single storey side/rear extension

  Awaiting decision Householder Extension 3 docs
  Small domestic

• 49 Baronsmere Road London N2 9QG

  26/0310/CON Submitted 27 Jan 2026 99m away

  95% historically approved · decision due ~24 Mar

  Submission of details of conditions 5 (Tree protection plan) 6 (Foundation details) pursuant to planning permission 25/4030/HSE dated 02/12/2025

  Awaiting decision Conditions Trees 6 docs

• 26/2679/192 Decided

  21 Myddelton Park London N20 0JH

  Single storey rear extension and increase in ridge height of existing rear outrigger (Amended description).

  20 Jul 2026 Lawful development
• 26/1907/191 Decided

  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)

  21 May 2026 Lawful development
• 26/2059/192 Decided

  Low Ridge Rowley Lane Barnet EN5 3HS

  Erection of a rear outbuilding

  3 Jun 2026 Lawful development
• 26/2066/192 Decided

  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)

  3 Jun 2026 Lawful development
• 26/1663/192 Decided

  152 Deans Lane Edgware HA8 9NT

  Change of use from single family dwellinghouse (Class C3a) to supported living accommodation Class C3b)

  5 May 2026 Lawful development