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Planning application

26/01006/CLPUD

31 Pendragon Close Thornhill Cardiff CF14 9BD

Refused Cardiff Cert of Lawfulness Proposed (s192)

Proposal

Rear dormer extension

As published by the council, reference 26/01006/CLPUD

Timeline

Dates from the published record

  1. 18 May 2026

    Received by Cardiff

  2. 26 Jun 2026

    Decision issued: Refuse

  3. 22 Jul 2026

    Added to PlanIndex

What refusal means

The process from here

The council refused this application for the reasons set out on the decision notice, which the council portal holds in full. Only the applicant can appeal a refusal; the time limit runs from the decision date and is shorter for householder schemes.

Refusal does not prevent a fresh attempt. Applicants often address the reasons for refusal and resubmit, so a refused scheme is not necessarily the end of proposals for the site.

About lawful development applications

How this application type works

A lawful development certificate is a legal determination, not a planning judgement. It asks the council to confirm either that existing use or works are lawful, often through the passage of time, or that a proposal would not need planning permission at all. The applicant must prove the facts; the merits of the scheme are not considered.

More on lawful development applications in our guide

Nearby applications

Within 500 metres

  • 26/01369/HSE Awaiting decision

    31 Pendragon Close Thornhill Cardiff CF14 9BD

    Rear Dormer Extension

    2 Jul 2026 4m away Householder
  • 25/02774/HSE Granted

    89 Morris Avenue Llanishen Cardiff CF14 5JY

    Proposed single-storey rear extension.

    26 Nov 2025 230m away Householder
  • 25/02994/HSE Granted

    9 Cornfield Close Llanishen Cardiff CF14 5HS

    First floor rear extension and roof alterations.

    29 Dec 2025 230m away Householder
  • 26/00915/HSE Granted

    4 Cornfield Close Llanishen Cardiff CF14 5HS

    Single storey front and side extension.

    4 May 2026 272m away Householder
  • 26/00028/HSE Granted

    3 Morris Avenue Llanishen Cardiff CF14 5JU

    Single story side extension.

    7 Jan 2026 317m away Householder
  • 26/00623/HSE Awaiting decision

    5 Morris Avenue Llanishen Cardiff CF14 5JU

    Single story side extension.

    26 Mar 2026 326m away Householder

In Cardiff

  • 26/01314/CLPUD Granted

    Beech House Pascal Close Trowbridge Cardiff

    Remove air handling unit and chiller systems. The plinth to be removed and a replacement plinth being installed on the same footprint. Installation of a new liquid nitrogen tank.

    23 Jun 2026 Lawful development
  • 26/01449/CLPUD Awaiting decision

    53 Westbourne Road Whitchurch Cardiff CF14 2BR

    single storey flat roof side and rear extension

    13 Jul 2026 Lawful development
  • 26/01429/CLPUD Awaiting decision

    311 Western Avenue Llandaff Cardiff CF5 2BA

    Works associated with a loft conversion

    10 Jul 2026 Lawful development
  • 26/01415/CLPUD Awaiting decision

    85 Wenallt Road Rhiwbina Cardiff CF14 6TP

    Construction of rear roof dormer and installation of roof windows.

    9 Jul 2026 Lawful development
  • 26/01391/CLEUD Awaiting decision

    173 Rhymney Street Cathays Cardiff CF24 4DL

    Use of the property as a Sui Generis House in Multiple Occupation (HMO).

    6 Jul 2026 Lawful development