9 Lyndhurst Avenue London NW7 2AD

This site has had 6 applications since 2026: 1 approved, 2 refused.

• 26/2913/PNH Awaiting decision

  9 Lyndhurst Avenue London NW7 2AD

  Single storey rear extension with a proposed maximum depth of 6.00 metres, maximum height of 4.00 metres and eaves height of 3.00 metres, following demolition of existing outbuilding.

  Submitted 6 Aug 2026 Prior approval
• 26/2914/HSE Awaiting decision

  9 Lyndhurst Avenue London NW7 2AD

  Erection of a rear outbuilding with crown roof and 2no. rooflights and the construction of an associated base

  Submitted 6 Aug 2026 Householder
• 26/2380/PNH Refused

  9 Lyndhurst Avenue London NW7 2AD

  Single storey rear extension with a proposed maximum depth of 6.00 metres, maximum height of 4.00 metres and eaves height of 3.00 metres, following demolition of existing outbuilding.

  Decided 28 Jul 2026 Prior approval
• 26/2382/192 Refused

  9 Lyndhurst Avenue London NW7 2AD

  Erection of a rear outbuilding with 2no. rooflights

  Decided 21 Jul 2026 Lawful development
• 26/2391/192 Granted

  9 Lyndhurst Avenue London NW7 2AD

  Roof extension involving hip to gable, rear dormer window and front and side facing rooflights

  Decided 2 Jul 2026 Lawful development

1. 15 Oct 2026

   Received by Barnet

2. 15 Oct 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 10 December 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 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 householder applications in a median of 56 days. More in our guide to how long planning decisions take.

Householder applications cover work to an existing house and its garden, such as extensions, lofts and outbuildings, and cannot create a separate dwelling or change what the building is used for. More in our guide to planning application types.

• 7 Lyndhurst Avenue London NW7 2AD

  26/2283/192 Submitted 17 Jun 2026 50 yards away

  79% historically approved · decision due ~13 Aug

  Roof extension involving side cottage dormers including rear dormer window with juliette balcony, 2no. front facing rooflights. Alterations to main ridge height reducing its final height. Removal of chimney to side roofslope. Replacement of first floor rear gable pitched roof with flat roof [Amended Description]

  Awaiting decision Extension Loft or dormer +2

• 9 Lyndhurst Avenue London NW7 2AD

  26/2913/PNH Submitted 6 Aug 2026 50 yards away

  56% historically approved · decision due ~1 Oct

  Single storey rear extension with a proposed maximum depth of 6.00 metres, maximum height of 4.00 metres and eaves height of 3.00 metres, following demolition of existing outbuilding.

  Awaiting decision Prior approval Extension Demolition
  Small domestic

• 9 Lyndhurst Avenue London NW7 2AD

  26/2914/HSE Submitted 6 Aug 2026 50 yards away

  77% historically approved · decision due ~1 Oct

  Erection of a rear outbuilding with crown roof and 2no. rooflights and the construction of an associated base

  Awaiting decision Householder Loft or dormer 4 docs
  Small domestic

• 50 Woodcroft Avenue London NW7 2AG

  26/2314/192 Submitted 18 Jun 2026 100 yards away

  79% historically approved · decision due ~13 Aug

  Erection of a rear outbuilding

  Awaiting decision

• 9 Lyndhurst Avenue London NW7 2AD

  26/2380/PNH Submitted 23 Jun 2026 100 yards away

  Single storey rear extension with a proposed maximum depth of 6.00 metres, maximum height of 4.00 metres and eaves height of 3.00 metres, following demolition of existing outbuilding.

  Refused Prior approval Extension Demolition 10 docs
  Small domestic

• 9 Lyndhurst Avenue London NW7 2AD

  26/2382/192 Submitted 23 Jun 2026 100 yards away

  Erection of a rear outbuilding with 2no. rooflights

  Refused Lawful development Loft or dormer 5 docs

• 26/3827/HSE Awaiting decision

  43 Hermitage Lane London NW2 2HE

  Single storey rear extension with 3no. rooflights following demolition of the existing conservatory. Replacement front bay window and entrance porch. First floor rear juliette balcony. Changes to fenestration including new window openings and enlarged front rooflight

  22 Oct 2026 Householder
• 26/3833/HSE Awaiting decision

  47 Holne Chase London N2 0QG

  Single storey rear extension. Replacement of single glazed windows with double glazing. Alterations to side/rear fenestration. Alterations and replacement of existing rear dormer window addition of 2no. side dormer windows and 3no. rooflights. Installation of cameras and wall lights. Replacement of the front entrance and garage doors, installation of timber side garden gates

  22 Oct 2026 Householder
• 26/3815/HSE Awaiting decision

  17 Hurstwood Road London NW11 0AS

  Single storey rear extension

  21 Oct 2026 Householder
• 26/3800/HSE Awaiting decision

  29 Monks Avenue Barnet EN5 1BZ

  Single storey side and rear infill extension including new front porch following demolition of the side/rear storage.

  Received 20 Oct, published by the council 21 Oct 2026 Householder
• 26/3791/HSE Awaiting decision

  149 Montrose Avenue Edgware HA8 0DZ

  New front hardstanding and vechicular access to provide off-street parking

  Received 20 Oct, published by the council 21 Oct 2026 Householder