Planning application
33 Harriet Street Cathays Cardiff CF24 4BU
Works: Extension Domestic
Read from the description, not a valuation. How we read the register
Permission granted. Work must normally begin within five years of the decision or the permission lapses.
Proposal
Ground floor rear extension to existing class C4 House in Multiple Occupation (HMO)
As published by the council, reference 25/01745/HSE
Application record
- Reference
- 25/01745/HSE
- Type
- Householder Planning Permission
- Status
- Decided
- Decision
- Granted As published: Permission Granted
- Received
- 28 Jul 2025
- Validated
- 28 Jul 2025
- Decided
- 27 Nov 2025
- Ward
- CATHAYS
- Decision by
- Delegated to Group Leader
- Postcode
- CF24 4BU
Site history
Applications at this address on the Cardiff register
This site has had 2 applications since 2025: 2 approved, 0 refused.
-
26/01615/NMA Granted
33 Harriet Street Cathays Cardiff CF24 4BU
Proposed Non-Material Amendment to Planning Permission 25/01745/HSE- increase extension roof height.
Timeline
Dates from the published record
-
28 Jul 2025
Received by Cardiff
-
27 Nov 2025
Decision issued: Permission Granted
-
22 Jul 2026
Added to PlanIndex
Related applications
Cases linked to this one on the register
1 later application on the register refers to this one:
-
26/01615/NMA Granted
33 Harriet Street Cathays Cardiff CF24 4BU
Proposed Non-Material Amendment to Planning Permission 25/01745/HSE- increase extension roof height.
Documents
Plans, drawings, consultee responses and the officer's report
7 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 this grant of permission means
Cardiff granted permission on 27 November 2025, subject to any conditions on the decision notice. Work must normally begin within five years or the permission lapses. More in our guide to what happens after a planning decision.
About householder applications
Householder applications cover work to an existing house and its garden, such as extensions, lofts and outbuildings, and cannot create a separate dwelling or change what the building is used for. More in our guide to planning application types.
Nearby applications
Within 500 metres
-
33 Harriet Street Cathays Cardiff CF24 4BU
Proposed Non-Material Amendment to Planning Permission 25/01745/HSE- increase extension roof height.
Granted Amendments Extension 5 docs -
41 Harriet Street Cathays Cardiff CF24 4BW
Re-location of windows and conversion of loft to bedrooms to existing C4 House of multiple Occupation.
Granted Full applications Windows or glazing 8 docs -
3 Brydges Place Cathays Cardiff CF24 4DP
Conversion and extension of existing garages, including upward extensions, to form 2no. additional two storey residential dwellings (Use Class C3).
Withdrawn Full applications Extension 8 docs -
Land To Side Of 3 Brydges Place Cathays Cardiff CF24 4DP
91% historically approved · decision due ~16 Sep
Conversion and upward extension of single storey garage into a part single storey part two storey dwelling.
Awaiting decision Full applications Extension 8 docsSmall domestic -
42 Richards Street Cathays Cardiff CF24 4DB
Second floor rear extension, hip to gable roof extension and external alterations to existing C4 House of Multiple Occupation.
Refused Full applications Extension Loft or dormer 14 docs -
34 Harriet Street Cathays Cardiff CF24 4BY
Large sui generis house of multiple occupation
Withdrawn Lawful development 7 docs
Other householder applications
In Cardiff
-
26/01907/HSE Awaiting decision
46 Oakley Place Grangetown Cardiff CF11 7EW
Rear dormer roof extension.
-
26/01013/HSE Granted
74 Beulah Road Rhiwbina Cardiff CF14 6LY
Rear, side and front extensions, raised roof ridge height, front and rear dormers and minor internal and external works.
-
26/01611/HSE Granted
6 Dewi Court 47 Cardiff Road Llandaff Cardiff CF5 2ET
Replacement of existing sliding patio doors with french doors, increase height of existing garden boundary walls on 2 sides with trellis and installation of stand alone garden room.
-
26/01592/HSE Granted
20 Meadow Street Pontcanna Cardiff CF11 9PY
Construction of single storey rear wrap around extension.
-
26/01905/HSE Awaiting decision
9 Clos William Rhiwbina Cardiff CF14 6QJ
Single Storey Side/Rear Extension with Internal Alterations. Loft Reconfiguration with Dormers. Detached Garage Enlargement.