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
- 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: 0 approved, 1 refused.
-
26/01369/HSE Awaiting decision
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
37 applications on PlanIndex · across 3 councils · 88% 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.
Trade members open them from here.
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 500 metres
-
31 Pendragon Close Thornhill Cardiff CF14 9BD
93% historically approved · decision due ~27 Aug
Rear Dormer Extension
Awaiting decision Householder Extension Loft or dormer 6 docsDomestic -
67 Mayflower Avenue, Llanishen, Cardiff
DORMER TO ROOF AND NEW PORCH
Granted Householder Extension Loft or dormer 1 docSmall domestic -
105 Johnston Road Llanishen Cardiff CF14 5HJ
Removal of conservatory and replacement with rear extension.
Granted Householder Extension 5 docsSmall domestic -
Small domestic
-
89 Morris Avenue Llanishen Cardiff CF14 5JY
Proposed single-storey rear extension.
Granted Householder Extension 8 docsSmall domestic -
9 Cornfield Close Llanishen Cardiff CF14 5HS
First floor rear extension and roof alterations.
Granted Householder Extension Roofing 9 docsDomestic
Other lawful development applications
In Cardiff
-
26/01775/CLEUD Granted
62 Cottrell Road Roath Cardiff CF24 3EZ
Use of the property as 2 residential care flats (Class C2).
-
26/01773/CLEUD Granted
32 Connaught Road Roath Cardiff
Use of the property as 5 residential care flats (Class C2).
-
26/01774/CLEUD Granted
57 Connaught Road Roath Cardiff CF24 3PW
Use of the property as 4 residential care flats (Class C2).
-
26/01883/CLPUD Awaiting decision
Heathfield 135 Pantbach Road Heath Cardiff CF14 1TY
Proposed enlargement of the existing single-storey rear extension and removal of the existing flat roof and construction of a pitched roof over the enlarged extension with associtated works
-
26/01990/CLEUD Awaiting decision
5 Talworth Street Roath Cardiff CF24 3EH
Use of the property as a C4 House in Multiple Occupation (HMO).