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Planning application

59 Lyonsdown Avenue Barnet EN5 1DX

Decided Barnet 26/2575/HSE Householder

Works: Extension Loft or dormer Windows or glazing Small domestic

Read from the description, not a valuation. How we read the register

Decided. The decision notice on the council portal carries the outcome in full, including any conditions.

Proposal

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.

As published by the council, reference 26/2575/HSE

Application record

Reference
26/2575/HSE
Category
Householder
Status
Approved subject to conditions
Received
8 Jul 2026
Validated
13 Jul 2026
Postcode
EN5 1DX

Timeline

Dates from the published record

  1. 8 Jul 2026

    Received by Barnet

  2. 13 Jul 2026

    Validated

    Checked as complete and ready for consideration.

  3. 25 Jul 2026

    Added to PlanIndex

  4. 12 Oct 2026

    Status changed to Approved subject to conditions

    Previously Pending Consideration.

After the decision

Barnet has decided this application; the outcome above is the register's own wording and the decision notice on the council portal carries the detail. More in our guide to what happens after a planning decision.

About householder applications

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.

Nearby applications

Within 0.3 miles

  • 41 Lyonsdown Avenue Barnet EN5 1DX

    26/1423/HSE Submitted 17 Apr 2026 50 yards away

    Single storey rear extension with new lowered patio area and associated access steps. New hard and soft landscaping. Conversion of the existing garage into habitable room, insertion of window to replace garage door

    Refused Householder Extension Windows or glazing 17 docs
    Small domestic

  • 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
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  • 42 Lyonsdown Avenue Barnet EN5 1DX

    26/0305/HSE Submitted 27 Jan 2026 50 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
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  • 55 Lyonsdown Avenue Barnet EN5 1DX

    21/4165/HSE Submitted 27 Jul 2021 50 yards away

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

    Granted Householder Extension 9 docs
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  • 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
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  • 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

In Barnet

  • 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