41 Lyonsdown Avenue Barnet EN5 1DX

This site has had 2 applications since 2025: 0 approved, 1 refused.

• 25/5008/HSE Awaiting decision

  41 Lyonsdown Avenue Barnet EN5 1DX

  Single storey rear extension with new raised patio area and associated access steps

  Submitted 15 Dec 2025 Householder

1. 17 Apr 2026

   Received by Barnet

2. 20 Apr 2026

   Validated

   Checked as complete and ready for consideration.

3. 19 May 2026

   Decision issued: Refuse

4. 25 Jul 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.

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.

• 41 Lyonsdown Avenue Barnet EN5 1DX

  25/5008/HSE Submitted 15 Dec 2025 0m away

  77% historically approved · decision due ~9 Feb

  Single storey rear extension with new raised patio area and associated access steps

  Awaiting decision Householder Extension 13 docs
  Small domestic

• 59 Lyonsdown Avenue Barnet EN5 1DX

  26/2575/HSE Submitted 8 Jul 2026 44m away

  77% historically approved · decision due ~7 Sep

  Single storey side extension to provide bike store. Addition of a canopy above side door. New timber gates to side. Roof extension involving 1no. new dormer window to rear elevation. Insertion of 2no. circular windows to rear elevation. Alterations to front garden including changes to existing driveway and widening of vehicular access, and new steps. New raised patio to rear with associated steps to garden. New brick garden wall to rear. Replacement of existing windows with triple glazed timber windows

  Awaiting decision Householder Extension Loft or dormer +1
  Small domestic

• 42 Lyonsdown Avenue Barnet EN5 1DX

  26/0305/HSE Submitted 27 Jan 2026 109m away

  77% historically approved · decision due ~26 Mar

  Part single, part two storey side and rear extension with new patio area with pergola following demolition of the existing single storey structures

  Awaiting decision Householder Extension Demolition 18 docs
  Small domestic

• 79 Monks Avenue Barnet EN5 1DA

  25/5201/HSE Submitted 30 Dec 2025 112m away

  77% historically approved · decision due ~4 Mar

  First floor side/rear extension. Roof extension involving rear dormer window

  Awaiting decision Householder Extension Loft or dormer +1 6 docs
  Domestic

• 17 Lyonsdown Avenue Barnet EN5 1DU

  26/2929/HSE Submitted 7 Aug 2026 173m away

  77% historically approved · decision due ~5 Oct

  Single storey front/side extension following demolition of the existing garage and the insertion of 1No front window (AMENDED DESCRIPTION)

  Awaiting decision Householder Extension Demolition +1
  Small domestic

• 6 Willenhall Avenue Barnet EN5 1JN

  26/0137/HSE Submitted 14 Jan 2026 176m away

  77% historically approved · decision due ~11 Mar

  Single storey side extension with 2no. rooflights following demolition of the existing garage and external store

  Awaiting decision Householder Extension Loft or dormer +1 8 docs
  Small domestic

• 26/3422/HSE Awaiting decision

  Revelstroke 28 Totteridge Village London N20 8JN

  Construction of a swimming pool and associated hard and soft landscaping following demolition of the existing shed including new access steps. Alterations to the ground level. Replacement of an existing timber decking terrace with a paved terrace.

  18 Sep 2026 Householder
• 26/3396/HSE Awaiting decision

  43 Dukes Avenue London N3 2DE

  Single storey rear, part two storey side extension with 1no. rooflight following the demolition of existing shed. Roof extension with rear dormer window, 1no. front, 3no. side facing rooflights and roof windows to the front and side roof slopes. Installation of solar panels to side elevation of roof

  17 Sep 2026 Householder
• 26/3410/HSE Awaiting decision

  54 Ferney Road Barnet EN4 8LE

  Single storey rear extension with alteration to the raised terrace area including new access steps to garden

  17 Sep 2026 Householder
• 26/3415/HSE Awaiting decision

  11 Downage London NW4 1AS

  Alterations and extensions to the roof including rear dormer window and the partial removal of the roof of the first floor rear extension, creation of a new crown roof over main roof and rear extension, 1no. front, 1no. side, 1no. rear facing rooflight and 1no. on crown roof

  17 Sep 2026 Householder
• 26/3382/HSE Awaiting decision

  11 Layfield Crescent London NW4 3UJ

  Part single, part two storey rear extension with flat roof and 1no. skylight

  16 Sep 2026 Householder