30 Summerlee Avenue London N2 9QP

This site has had 6 applications since 2026: 1 approved, 1 refused.

• 26/3655/HSE Awaiting decision

  30 Summerlee Avenue London N2 9QP

  Roof extension including rear dormer window, juliette balcony and 2no. front facing rooflights including materials change from red clay to red zinc tiles

  Submitted 8 Oct 2026 Householder
• 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 Refused

  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)

  Decided 17 Jun 2026 Prior approval
• 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
• 26/0308/192 Awaiting decision

  30 Summerlee Avenue London N2 9QP

  Roof extension including rear dormer window with juliette balcony and 2no. rooflights to front roofslope

  Submitted 27 Jan 2026 Lawful development

1. 10 Mar 2026

   Received by Barnet

2. 7 Apr 2026

   Decision issued: Lawful

3. 25 Jul 2026

   Added to PlanIndex

Barnet granted permission on 7 April 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.

• 30 Summerlee Avenue London N2 9QP

  26/1799/PNH Submitted 13 May 2026 50 yards away

  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)

  Refused Prior approval Extension 29 docs
  Small domestic

• 30 Summerlee Avenue London N2 9QP

  26/0307/HSE Submitted 27 Jan 2026 50 yards 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

  26/0308/192 Submitted 27 Jan 2026 50 yards away

  80% historically approved · decision due ~25 Mar

  Roof extension including rear dormer window with juliette balcony and 2no. rooflights to front roofslope

  Awaiting decision Lawful development Extension Loft or dormer +1 21 docs

• 45 Summerlee Avenue London N2 9QP

  26/3932/HSE Submitted 29 Oct 2026 50 yards away

  77% historically approved · decision due ~24 Dec

  Erection of a rear outbuilding, following demolition of the existing garage (amended description).

  Awaiting decision Householder Demolition
  Small domestic

• 30 Summerlee Avenue London N2 9QP

  26/3655/HSE Submitted 8 Oct 2026 50 yards away

  77% historically approved · decision due ~4 Dec

  Roof extension including rear dormer window, juliette balcony and 2no. front facing rooflights including materials change from red clay to red zinc tiles

  Awaiting decision Householder Extension Loft or dormer +1
  Domestic

• 30 Summerlee Avenue London N2 9QP

  26/2299/PNH Submitted 18 Jun 2026 50 yards away

  56% 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

• 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