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Planning application

26/00401/HSE

15 Mortimer Road Pontcanna Cardiff CF11 9JZ

Granted Cardiff Householder Planning Permission

Proposal

First floor rear extension and rear dormer loft conversion and lean-to roof addition to existing single storey structure

As published by the council, reference 26/00401/HSE

Timeline

Dates from the published record

  1. 26 Feb 2026

    Received by Cardiff

  2. 22 Apr 2026

    Decision issued: Permission Granted

  3. 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

  • 26/00545/FUL Withdrawn

    26 Mortimer Road Pontcanna Cardiff CF11 9JZ

    Change of use from Class D1 (Physiotherapy clinic) to Class C3 two bedroom flat.

    18 Mar 2026 41m away Full applications
  • 25/02842/FUL Granted

    243 - 245 Cathedral Road Pontcanna Cardiff CF11 9PP

    External Alterations featuring new aluminium door to first floor rear elevation, installation of fence and balustrade at first floor rear level to create external seating area at rear, redecoration of windows and other associated refurbishments

    2 Dec 2025 72m away Full applications
  • 26/01373/VAR Awaiting decision

    243 - 245 Cathedral Road Pontcanna Cardiff CF11 9PP

    Change of use to Class A3 Coffee Shop, external and internal alterations and other associated refurbishments. (Approved 05/12/2025 - 25/02566/FUL); Variation of condition 4, to amend the premises opening hours to 07:30 - 22:00 on all days.

    2 Jul 2026 72m away Amendments
  • 25/02566/FUL Granted

    243 - 245 Cathedral Road Pontcanna Cardiff CF11 9PP

    Change of use to Class A3 Coffee Shop, external and internal alterations and other associated refurbishments.

    6 Nov 2025 72m away Full applications
  • 25/02567/ADV Granted

    243 - 245 Cathedral Road Pontcanna Cardiff CF11 9PP

    Non-illuminated projecting sign mounted on fixed brackets to the front elevation. Hand-painted Coffi Lab branding applied directly to the front and side elevations.

    6 Nov 2025 72m away Advertising
  • 26/00789/HSE Granted

    65 Pontcanna Street Pontcanna Cardiff CF11 9HR

    Loft conversion with three rear conservation style roof windows.

    21 Apr 2026 93m 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