Planning application
31 Pendragon Close Thornhill Cardiff CF14 9BD
Works: Extension Loft or dormer
Refused. Only the applicant can appeal, within the statutory time limit, and a revised scheme can be submitted instead.
Proposal
Rear dormer extension
As published by the council, reference 26/01006/CLPUD
Application record
- Reference
- 26/01006/CLPUD
- Type
- Cert of Lawfulness Proposed (s192)
- Status
- Decided
- Decision
- Refused As published: Refuse
- Received
- 18 May 2026
- Validated
- 18 May 2026
- Decided
- 26 Jun 2026
- Ward
- LISVANE AND THORNHILL
- Decision by
- Delegated to Group Leader
- Postcode
- CF14 9BD
Site history
Applications at this address on the Cardiff register
This site has had 2 applications since 2026: 1 approved, 1 refused.
-
26/01369/HSE Granted
31 Pendragon Close Thornhill Cardiff CF14 9BD
Rear Dormer Extension
Timeline
Dates from the published record
-
18 May 2026
Received by Cardiff
-
26 Jun 2026
Decision issued: Refuse
-
22 Jul 2026
Added to PlanIndex
Who's behind it
Company information only, from the register and Companies House
KnK Design Studio Ltd Agent, a design practice registered in Cardiff
Active · incorporated 2024 · Cardiff
41 applications on PlanIndex · across 3 councils · 91% granted
Trade members see everything this firm has filed, how it was decided, and get an email the day it files again.
See their track recordDocuments
Plans, drawings, consultee responses and the officer's report
8 documents on file for this application
A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.
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Open the documentsWhat this refusal means
Cardiff refused this application for the reasons on the decision notice; only the applicant can appeal, and refused schemes often return in revised form. More in our guide to what happens after a planning decision.
About lawful development applications
A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.
Nearby applications
Within 0.3 miles
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31 Pendragon Close Thornhill Cardiff CF14 9BD
Rear Dormer Extension
Granted Householder Extension Loft or dormer 8 docsDomestic -
67 Mayflower Avenue, Llanishen, Cardiff
DORMER TO ROOF AND NEW PORCH
Granted Householder Extension Loft or dormer 1 docSmall domestic -
42 Mayflower Avenue Llanishen Cardiff CF14 5HR
Single Storey Side Extension below dual pitch roof.
Granted Householder Extension 13 docsSmall domestic -
105 Johnston Road Llanishen Cardiff CF14 5HJ
Removal of conservatory and replacement with rear extension.
Granted Householder Extension 5 docsSmall domestic -
13 Launcelot Crescent Thornhill Cardiff CF14 9AQ
Replacement of existing side garage with double storey extension, front porch extension and replacement roof to existing single storey extension.
Granted Householder Extension Roofing 12 docsSmall domestic -
Small domestic
Other lawful development applications
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26/01578/CLPUD Granted
207 Fidlas Road Llanishen Cardiff CF14 5NA
Proposed ancillary garden building
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26/02084/CLPUD Awaiting decision
24 Bassetts Field Rhiwbina Cardiff CF14 9UG
Proposed single storey flat roof extension to rear
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26/02050/CLPUD Awaiting decision
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Change of use from Residential to C6 short-term let.
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26/02053/CLPUD Awaiting decision
32 Homelands Road Heath Cardiff CF14 1UJ
Single storey rear extension.
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26/01863/CLPUD Granted
6 Llandennis Green Cyncoed Cardiff CF23 6JX
Proposed conversion of existing integral garage to ancillary domestic accommodation, including minor internal alterations