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Planning application

25/02372/HSE

55 Everest Avenue Llanishen Cardiff CF14 5AQ

Granted Cardiff Householder Planning Permission

Proposal

First floor side extension.

As published by the council, reference 25/02372/HSE

Timeline

Dates from the published record

  1. 15 Oct 2025

    Received by Cardiff

  2. 30 Oct 2025

    Validated

    Checked as complete and ready for consideration.

  3. 4 Feb 2026

    Decision issued: Permission Granted

  4. 22 Jul 2026

    Added to PlanIndex

What a grant of permission means

The process from here

Permission has been granted, usually subject to conditions listed on the decision notice, some of which must be discharged before work starts. The decision notice on the council portal sets out exactly what was approved.

Work must normally begin within five years of the decision or the permission lapses. Neighbours cannot appeal a grant; challenging one means judicial review of how the decision was made, within tight time limits.

About householder applications

How this application type works

Householder applications cover work to an existing house and its garden: extensions, loft and garage conversions, porches, outbuildings and similar alterations within the boundary of the home. They cannot be used to create a separate dwelling or change what the building is used for. Councils aim to decide them within eight weeks, and immediate neighbours are usually notified and given a chance to comment.

More on householder applications in our guide

Nearby applications

Within 500 metres

  • 25/02521/HSE Granted

    7 Tensing Close Llanishen Cardiff CF14 5AW

    Single storey rear extension

    3 Nov 2025 95m away Householder
  • 25/01941/CLPUD Awaiting decision

    35 Everest Avenue Llanishen Cardiff CF14 5AP

    Hip to gable and rear dormer roof extension.

    21 Aug 2025 153m away Lawful development
  • 26/01239/HSE Awaiting decision

    104 Heol Hir Llanishen Cardiff CF14 5AD

    Single storey rear extension, small double height extension and attic conversion including roof extensions and alterations.

    16 Jun 2026 204m away Householder
  • 25/02847/VAR Granted

    Cartref 85 - 91 Station Road Llanishen Cardiff CF14 5UU

    Extension to the front and rear of existing buildings, external alterations and associated works. (23/02832/FUL - Approved 06 December 2023):- Variation of Conditions 2 (Approved Plans), 3 (Construction Materials) and 4 (Landscaping) of 23/02832/FUL to amend the approved scheme as follows: 1) Amended plans in line with updated design information. (25/00201/VAR- Approved 16 May 2025):- Variation of Condition 2 (Approved Plans) of 25/00201/VAR to amend the approved scheme as follows: 1) Alterations to sprinkler tank housing, bin store, access ramps, landscaping/ paving and car park layout; 2) Removal of porch roof to RHS front elevation and new render panel; 3) New rendered areas to left side; and 4) Changes to location and type of some windows and doors.

    2 Dec 2025 317m away Amendments
  • 26/00710/DOC Decided

    Cartref 85 - 91 Station Road Llanishen Cardiff CF14 5UU

    Discharge of Condition 3 (Solar Panels) of 25/02847/VAR

    8 Apr 2026 317m away Conditions
  • 26/00312/HSE Granted

    65 Station Road Llanishen Cardiff CF14 5UT

    Ground floor rear and side extension.

    13 Feb 2026 358m away Householder

In Cardiff

  • 26/00074/HSE Granted

    201 Pantbach Road Rhiwbina Cardiff CF14 6AE

    Side dormer roof extensions. Two storey gabled rear extension with first floor Juliette balcony and external alterations to the property.

    15 Jan 2026 Householder
  • 26/01047/HSE Granted

    39 James Court Trowbridge Cardiff CF3 0FA

    Single storey rear extension.

    21 May 2026 Householder
  • 26/01054/HSE Granted

    38 Heol Iscoed Rhiwbina Cardiff CF14 6PB

    First floor rear extension, single storey side extension, demolition of existing garage.

    21 May 2026 Householder
  • 26/01058/HSE Granted

    37 Ridgeway Lisvane Cardiff CF14 0RS

    Demolition of existing garage, and erection of a single storey rear/side extension.

    22 May 2026 Householder
  • 26/01044/HSE Granted

    102 Wenallt Road Rhiwbina Cardiff CF14 6TP

    Single storey rear extension.

    20 May 2026 Householder