Planning application
138A Llandaff Road Riverside Cardiff CF11 9PW
Works: Loft or dormer
Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
Proposal
Rear/side dormer loft conversion and rear balcony.
As published by the council, reference 26/01960/FUL
Application record
- Reference
- 26/01960/FUL
- Type
- Full Planning Permission
- Status
- Registered
- Received
- 11 Sep 2026
- Validated
- 23 Sep 2026
- Ward
- RIVERSIDE
- Postcode
- CF11 9PW
Site history
Applications at this address on the Cardiff register
This site has had 2 applications since 2026.
-
26/01960/HSE Awaiting decision
138A Llandaff Road Riverside Cardiff CF11 9PW
Rear/side dormer loft conversion and rear balcony.
Timeline
Dates from the published record
-
11 Sep 2026
Received by Cardiff
-
23 Sep 2026
Validated
Checked as complete and ready for consideration.
-
28 Sep 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 18 November 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.
Cardiff took a median of 56 days over the applications it decided in the last year.
Who's behind it
Company information only, from the register and Companies House
DTB DESIGN Agent, a design practice
40 applications on PlanIndex · across 4 councils · 61% 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
6 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.
Watch members (£5 a month) open the document list from here.
Open the documentsWhat happens while it is decided
This application is with Cardiff for determination, against a statutory target of eight weeks. Over the last year Cardiff decided full applications in a median of 85 days. More in our guide to how long planning decisions take.
About full applications
A full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.
Nearby applications
Within 0.3 miles
-
138A Llandaff Road Riverside Cardiff CF11 9PW
90% historically approved · decision due ~18 Nov
Rear/side dormer loft conversion and rear balcony.
Awaiting decision Full applications Loft or dormer 6 docs -
126 Llandaff Road Pontcanna Cardiff CF11 9PW
SINGLE STOREY REAR AND SIDE EXTENSION
Granted Householder Extension 5 docsSmall domestic -
1 Llanfair Road Pontcanna Cardiff CF11 9PZ
97% historically approved · decision due ~15 Oct
Proposed Non-Material Amendment to Planning Permission 25/02588/HSE - To remove upper window and replace ground floor window with doors, change cladding and rear and side elevation material
Awaiting decision Amendments Windows or glazing 4 docs -
1 Llanfair Road Pontcanna Cardiff CF11 9PZ
Single-storey extension and ancillary annex.
Granted Householder Extension 13 docsSmall domestic -
5 Llanfair Road Pontcanna Cardiff CF11 9PZ
SINGLE STOREY SIDE EXTENSION
Withdrawn Lawful development Extension 14 docsSmall domestic -
122 Llandaff Road Pontcanna Cardiff CF11 9PW
SINGLE STOREY REAR EXTENSION
Granted Full applications Extension 12 docsSmall domestic
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