88 Hertford Road London N2 9BU

1. 17 Feb 2026

   Received by Barnet

2. 10 Mar 2026

   Decision issued: Lawful

3. 10 Aug 2026

   Added to PlanIndex

Barnet granted permission on 10 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.

• 76A Hertford Road London N2 9BU

  26/0432/FUL Submitted 5 Feb 2026 50 yards away

  63% historically approved · decision due ~2 Apr

  Single storey side and rear extension with 4no. rooflights

  Awaiting decision Full applications Extension Loft or dormer 9 docs
  Small domestic

• 223 Creighton Avenue London N2 9BP

  26/0280/HSE Submitted 26 Jan 2026 50 yards away

  Single storey front porch extension

  Granted Householder Extension 7 docs
  Small domestic

• 99 Hertford Road London N2 9BX

  26/1118/192 Submitted 24 Mar 2026 50 yards away

  Roof extension involving rear dormer windows and front and rear facing rooflights and solar panels. Removal of the chimney stack

  Granted Lawful development Extension Loft or dormer +1 4 docs

• 47 Hertford Road London N2 9BX

  26/2948/192 Submitted 10 Aug 2026 100 yards away

  79% historically approved · decision due ~5 Oct

  Roof extension involving 1no. rear dormer window over main roof, 1no. rear dormer over outrigger roof and 2no. front facing rooflights. (Amended Description).

  Awaiting decision Extension Loft or dormer +1

• 79 Hertford Road London N2 9BX

  26/2660/PNH Submitted 16 Jul 2026 100 yards away

  56% historically approved · decision due ~10 Sep

  Single storey rear extension with a proposed depth of 6.00 metres, maximum height of 3.83 metres and eaves height of 2.44 metres.

  Awaiting decision Prior approval Extension
  Small domestic

• 79 Hertford Road London N2 9BX

  26/2659/HSE Submitted 16 Jul 2026 100 yards away

  77% historically approved · decision due ~10 Sep

  Single storey rear extension with pitched roof and 3no. rooflights

  Decided Householder Extension Loft or dormer
  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