9 Lyndhurst Avenue London NW7 2AD

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

• 26/3727/HSE Awaiting decision

  9 Lyndhurst Avenue London NW7 2AD

  Single storey rear extension

  Submitted 15 Oct 2026 Householder
• 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
• 26/2391/192 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. 23 Jun 2026

   Received by Barnet

2. 21 Jul 2026

   Decision issued: Unlawful

3. 9 Aug 2026

   Added to PlanIndex

Barnet refused this application for the reasons on the decision notice; only the applicant can appeal, and refused schemes often return in revised form. 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.

• 9 Lyndhurst Avenue London NW7 2AD

  26/2380/PNH Submitted 23 Jun 2026 50 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

  26/2391/192 Submitted 23 Jun 2026 50 yards away

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

  Granted Lawful development Extension Loft or dormer +1 7 docs

• 16 Woodcroft Avenue London NW7 2AG

  21/5637/192 Submitted 25 Oct 2021 50 yards away

  Single storey rear extension with new terrace area. Erection of a new side garage following demolition of the existing garage. Erection of a rear outbuilding

  Granted Lawful development Extension Demolition 28 docs
  Small domestic

• 16 Woodcroft Avenue London NW7 2AG

  21/5614/HSE Submitted 22 Oct 2021 50 yards away

  Part single, part two storey side and rear extension

  Granted Householder Extension 23 docs
  Domestic

• 7 Lyndhurst Avenue London NW7 2AD

  26/2283/192 Submitted 17 Jun 2026 100 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

  26/3727/HSE Submitted 15 Oct 2026 100 yards away

  77% historically approved · decision due ~10 Dec

  Single storey rear extension

  Awaiting decision Householder 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