99 Hertford Road London N2 9BX

1. 24 Mar 2026

   Received by Barnet

2. 21 Apr 2026

   Decision issued: Lawful

3. 25 Jul 2026

   Added to PlanIndex

Barnet granted permission on 21 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.

• 88 Hertford Road London N2 9BU

  26/0617/192 Submitted 17 Feb 2026 50 yards away

  Roof extension involving rear dormer window with juliette balcony and 3no. front facing rooflights

  Granted Lawful development Extension Loft or dormer +1 4 docs

• 82 Hertford Road London N2 9BU

  26/2884/HSE Submitted 4 Aug 2026 50 yards away

  77% historically approved · decision due ~2 Oct

  Removal of an existing external AC condenser unit located on the side elevation and installation of 2no. domestic air conditioning condenser units located on the side and rear elevation

  Awaiting decision Householder 23 docs
  Domestic

• 76A Hertford Road London N2 9BU

  26/0432/FUL Submitted 5 Feb 2026 100 yards away

  61% 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 100 yards away

  Single storey front porch extension

  Granted Householder Extension 7 docs
  Small domestic

• 65 Bedford Road London N2 9DB

  25/3511/HSE Submitted 26 Aug 2025 100 yards away

  Single storey side extension with glazed pitched roof and rooflight. New rear patio doors and full height glazing

  Granted Householder Extension Loft or dormer +1 9 docs
  Small domestic

• 63 Bedford Road London N2 9DB

  26/0813/S73 Submitted 3 Mar 2026 100 yards away

  Variation of condition 1 (Approved Plans) pursuant to planning permission 25/1362/FUL dated 11/04/2025 for `Single storey side extension with 5no. rooflights.` Amendments include increase in the depth of the approved side extension by an additional 0.5 metres.

  Granted Conditions Extension Loft or dormer 7 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
• 26/1907/191 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
• 26/2059/192 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
• 26/2066/192 Granted

  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)

  Received 3 Jun, published by the council 16 Aug 2026 Lawful development
• 26/2525/192 Granted

  39 Ridgeway Avenue Barnet EN4 8TN

  Single storey rear extension

  Received 6 Jul, published by the council 9 Aug 2026 Lawful development