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 50 yards 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 50 yards 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 double glazed timber windows to side and rear.

  Decided Householder Extension Loft or dormer +1
  Small domestic

• 55 Lyonsdown Avenue Barnet EN5 1DX

  21/4165/HSE Submitted 27 Jul 2021 100 yards away

  Single storey rear extension with new rear patio area (amended description)

  Granted Householder Extension 9 docs
  Small domestic

• 42 Lyonsdown Avenue Barnet EN5 1DX

  26/0305/HSE Submitted 27 Jan 2026 100 yards 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 100 yards 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

• Capstone 9 Willenhall Avenue Barnet EN5 1JN

  21/5871/NMA Submitted 4 Nov 2021 150 yards away

  Non-material amendments to planning permission reference 20/5930/FUL dated 07/09/2021 for 'Demolition of the existing dwelling and erection of 3no two storey detached houses with basement level. Associated landscaping, parking, bike store and refuse and recycling'. Amendments include any pre-occupation conditions attached to the existing consent are phased on a plot by plot basis

  Granted Amendments Demolition 3 docs
  Domestic

• 26/3476/HSE Granted

  116 Chase Way London N14 5DH

  Single storey rear extension with 2no. rooflights. Changes to fenestration; new doors, 3no. new windows to rear elevation

  Received 24 Sep, published by the council 25 Sep 2026 Householder
• 26/4019/HSE Awaiting decision

  38 Asmuns Hill London NW11 6ET

  Replacement of windows with vacuum-glazed windows (excluding subframes) and new french doors to rear

  6 Nov 2026 Householder
• 26/4023/HSE Awaiting decision

  61 Bullescroft Road Edgware HA8 8RN

  Single storey front, side and rear wraparound extension incorporating porch following conversion of the existing garage, including window to replace garage door

  6 Nov 2026 Householder
• 26/4015/HSE Awaiting decision

  6 Raeburn Close London NW11 6UG

  Alterations to the rear ground floor elevation, including replacement of the existing door and two windows with timber framed French doors and windows. Replacement of existing single glazed windows with new double glazed timber windows. Replacement of the existing rear patio doors with double glazed timber doors. Formation of a new rear patio. Addition of new bin storage at front

  Received 5 Nov, published by the council 6 Nov 2026 Householder
• 26/4012/HSE Awaiting decision

  59 Hendon Way London NW2 2LX

  Two storey side and rear extension. New front porch

  5 Nov 2026 Householder