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Planning application

25/02018/HSE

21 Llanfair Road Pontcanna Cardiff CF11 9PZ

Awaiting decision Cardiff Householder Planning Permission

Proposal

Single-storey side extension and internal alterations.

As published by the council, reference 25/02018/HSE

Timeline

Dates from the published record

  1. 1 Sep 2025

    Received by Cardiff

  2. 22 Jul 2026

    Added to PlanIndex

  3. Decision

    Awaiting decision

    The statutory target is eight weeks for most applications and thirteen for major development. Extensions of time are common.

What happens while it is decided

The process from here

This application is with Cardiff for determination. The council publicises it, consults neighbours and technical bodies where required, and weighs the responses against local and national planning policy.

The statutory target is eight weeks for most applications and thirteen for major development, though extensions of time are common. Comments carry most weight while the case is undecided, so check the council portal for the deadline if you want to respond.

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

  • 25/02588/HSE Granted

    1 Llanfair Road Pontcanna Cardiff CF11 9PZ

    Single-storey extension and ancillary annex.

    7 Nov 2025 39m away Householder
  • 26/00285/NMA Granted

    38A Llanfair Road Pontcanna Cardiff CF11 9QB

    Proposed Non-Material Amendment to Planning Permission 23/01194/FUL- Amend the proposal to include the demolition and re-building of structurally unstable upper floor and roof of the two-storey building (proposed Unit B) and rebuild as existing.

    11 Feb 2026 57m away Amendments
  • 26/00569/WTCA Granted

    46 Llanfair Road Pontcanna Cardiff CF11 9QB

    G1 Sycamore group situated behind rear boundary, crown lift group to 4 metres above ground level, reduce remaining overhanging crown by approximately 1 to 1.5 metres back to suitable live growth points.

    20 Mar 2026 59m away Trees
  • 26/01388/CLPUD Awaiting decision

    20 Meadow Street Pontcanna Cardiff CF11 9PY

    Construction of single storey rear extension.

    6 Jul 2026 76m away Lawful development
  • 26/01290/HSE Awaiting decision

    25 Conway Road Pontcanna Cardiff CF11 9NT

    First floor rear balcony and other associated works.

    22 Jun 2026 83m away Householder
  • 26/00223/WTCA Granted

    Ty Llandaff 1 Conway Road Pontcanna Cardiff CF11 9NT

    Ty Llandaff - prune to Clear from the Building Tree 1 (Horse Chestnut) and Reduce the crown on Tree 2 (Sergeants Cherry) as per submitted tree report.

    4 Feb 2026 132m away Trees

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