30 Summerlee Avenue London N2 9QP

This site has had 5 applications since 2026.

• 26/2299/PNH Awaiting decision

  30 Summerlee Avenue London N2 9QP

  Single storey rear extension with a proposed depth of 4.05m, maximum height of 3.00m and an eaves height of 3.00m

  Submitted 18 Jun 2026 Prior approval
• 26/1799/PNH Awaiting decision

  30 Summerlee Avenue London N2 9QP

  Single storey rear extension with a maximum proposed depth of 4.05m, maximum height of 3.33m and an eaves height of 3.33m (height of lowered section 3.08m)

  Submitted 13 May 2026 Prior approval
• 26/0905/192 Decided

  30 Summerlee Avenue London N2 9QP

  Single storey rear extension with 2no. rooflights following demolition of existing timber extension. Single storey outbuilding to rear garden with green roof. New front porch

  Decided 7 Apr 2026 Lawful development
• 26/0307/HSE Awaiting decision

  30 Summerlee Avenue London N2 9QP

  Single storey rear extension with roof lights following demolition of existing timber extension. Increase depth of existing cellar to form new storage room. Single storey outbuilding to rear garden with green roof. New front porch. Replacement of existing windows with new timber framed double-glazed windows

  Submitted 27 Jan 2026 Householder

1. 27 Jan 2026

   Received by Barnet

2. 28 Jan 2026

   Validated

   Checked as complete and ready for consideration.

3. 10 Aug 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 25 March 2026, 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 43 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.

• 30 Summerlee Avenue London N2 9QP

  26/1799/PNH Submitted 13 May 2026 0m away

  58% historically approved · decision due ~8 Jul

  Single storey rear extension with a maximum proposed depth of 4.05m, maximum height of 3.33m and an eaves height of 3.33m (height of lowered section 3.08m)

  Awaiting decision Prior approval Extension 28 docs
  Small domestic

• 30 Summerlee Avenue London N2 9QP

  26/0307/HSE Submitted 27 Jan 2026 0m away

  77% historically approved · decision due ~25 Mar

  Single storey rear extension with roof lights following demolition of existing timber extension. Increase depth of existing cellar to form new storage room. Single storey outbuilding to rear garden with green roof. New front porch. Replacement of existing windows with new timber framed double-glazed windows

  Awaiting decision Householder Extension Loft or dormer +2 23 docs
  Small domestic

• 30 Summerlee Avenue London N2 9QP

  26/0905/192 Submitted 10 Mar 2026 5m away

  Single storey rear extension with 2no. rooflights following demolition of existing timber extension. Single storey outbuilding to rear garden with green roof. New front porch

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

• 30 Summerlee Avenue London N2 9QP

  26/2299/PNH Submitted 18 Jun 2026 42m away

  58% historically approved · decision due ~13 Aug

  Single storey rear extension with a proposed depth of 4.05m, maximum height of 3.00m and an eaves height of 3.00m

  Awaiting decision Prior approval Extension
  Small domestic

• Ground Floor And First Floor Flat 45 Park Hall Road London N2 9PT

  26/1404/191 Submitted 16 Apr 2026 52m away

  79% historically approved · decision due ~11 Jun

  Use as 2no. self-contained flats

  Awaiting decision Lawful development New dwelling 7 docs

• 49 Baronsmere Road London N2 9QG

  25/4030/HSE Submitted 6 Oct 2025 69m away

  77% historically approved · decision due ~1 Dec

  Single storey side/rear extension

  Awaiting decision Householder Extension 3 docs
  Small domestic

• 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