155 Sunny Gardens Road London NW4 1SG

1. 4 Sep 2025

   Received by Barnet

2. 9 Sep 2025

   Validated

   Checked as complete and ready for consideration.

3. 10 Aug 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 4 November 2025, 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 46 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.

• 155 And 157 Sunny Gardens Road London NW4 1SG

  25/3680/FUL Submitted 8 Sep 2025 50 yards away

  63% historically approved · decision due ~3 Nov

  Part single, part two storey side and rear extensions including conversion of the garage into habitable room, insertion of window to replace the garage door and new front porch. Alterations to existing front bay windows. Creation of basement levels with garden level rooms with associated stairs leading to garden level and patio and front light wells to front elevation. Roof extension including rear dormer windows, side gable windows and 2no. front facing rooflights to both properties

  Awaiting decision Full applications Extension Loft or dormer +1 16 docs
  Small domestic

• 161A Sunny Gardens Road London NW4 1SG

  26/2237/FUL Submitted 16 Jun 2026 50 yards away

  63% historically approved · decision due ~12 Aug

  Roof extension involving hip to gable, rear dormer window with juliette balcony, 2no. additional front facing rooflights and new side gable window

  Awaiting decision Full applications Extension Loft or dormer +1

• 157 Sunny Gardens Road London NW4 1SG

  25/3651/192 Submitted 4 Sep 2025 50 yards away

  80% historically approved · decision due ~4 Nov

  Erection of a rear outbuilding and shed

  Awaiting decision Lawful development 4 docs
  Small domestic

• 163 Sunny Gardens Road London NW4 1SG

  20/3282/HSE Submitted 20 Jul 2020 50 yards away

  Part single, part two storey side and rear extension following demolition of the existing garage. Excavation of a basement level and associated front and rear lightwells. Alterations to front bay windows. Associated alterations and extension to roof including 1no. side and 1no. rear dormer windows. New front porch/canopy (AMENDED PLANS AND DESCRIPTION)

  Granted Householder Extension Loft or dormer +2 12 docs
  Small domestic

• Flat 3 130 Sunny Gardens Road London NW4 1SE

  26/1824/RCU Submitted 14 May 2026 50 yards away

  Roof extension involving hip to gable, rear dormer window (Retrospective Application)

  Refused Extension Loft or dormer +1 10 docs

• 3 Meadow Drive London NW4 1SD

  21/5926/192 Submitted 9 Nov 2021 50 yards away

  Roof extension involving hip to gable and rear dormer window with juliette balcony, 2no front facing rooflights and new side gable window

  Granted Lawful development Extension Loft or dormer +1 7 docs

• 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