Planning applications in Cardiff, March 2026

Old Central Library Trinity Street Cathays Cardiff CF10 1BH

Discharge of Condition 17 (Acoustic Treatments) of 25/02246/LBC.

Land At Former Youth Hostel 2 Wedal Road Roath Cardiff CF14 3QX

Discharge of Condition 9 (Sound Insulation Measures) of 22/00820/MJR.

79 Brithdir Street Cathays Cardiff CF24 4LF

Change of use from Class C4 HMO to large Sui Generis HMO with a new rooflight and internal alterations.

The Three Elms Merthyr Road Whitchurch Cardiff CF14 1JE

Demolition of single storey outbuilding to west of main pub.

88 Pantbach Road Heath Cardiff CF14 1UD

Single storey rear extension.

Merchant Place And Corys Buildings 3 Bute Place And 57 Bute Street Butetown Cardiff CF10 5AD

Discharge of Condition 19 (Travel plan) for permission 22/02201/FUL (revised under 24/01422/VAR).

Brook House Began Road Old St Mellons Cardiff CF3 6XJ

Construction of garage and first floor office.

Capitol Centre Queen Street Cardiff CF10 2HQ

Proposed Non-Material Amendment to Planning Permission 24/01042/FUL - 1) Reconfiguration of the approved layout.

Jubilee Park Changing Rooms Sloper Road Leckwith Cardiff

Extension to changing rooms.

53 Dan-y-bryn Avenue Radyr Cardiff CF15 8DQ

First floor extension.

Land At Rhydlafar Drive St Fagans Cardiff

Proposed Non-Material Amendment to Planning Permssion 20/02634/MNR - 1) Car parking layout alteration.

Land Lying South Of The Pierhead And West Of The Senedd On The Senedd Estate In Cardiff Bay CF10 4PZ

Installation of a bronze sculpture (life size plus 20%) of the late Hywel Rhodri Morgan PC.

27 Felin Fach Whitchurch Cardiff CF14 1NY

Change of external wall finish to extension and existing house to render. Partition of bedroom 2 to create two single bedrooms with window altered. Bi-fold doors on rear extension elevation changed to window. Bedroom window to the rear elevation of extension changed from window to Juliette balcony window.

109 Cathedral Road Pontcanna Cardiff CF11 9PH

Proposed Non-Material Amendment to Planning Permission 21/01460/MNR - 1) Alterations to the outbuilding

26 Mortimer Road Pontcanna Cardiff CF11 9JZ

Change of use from Class D1 (Physiotherapy clinic) to Class C3 two bedroom flat.

57 Emerald Street Adamsdown Cardiff CF24 1QA

Minor internal reconfiguration of the ground floor layout together with one small change on the east elevation to achieve compliance with Building Regulations Approved Document Part B (Fire Safety). Changes include: reconfiguring Flat 1 as a 1-bedroom apartment and Flat 2 as a 2-bedroom apartment, adding an enclosed corridor at the Flat 2 entrance, converting the existing approved door into a window and relocating the new entrance door on the east elevation, plus creating a minor services alcove. Revised drawing AL-01 is submitted.

1 Caedelyn Road Whitchurch Cardiff CF14 1BH

First floor and single-storey rear extension, loft conversion incorporating a rear dormer and front rooflights, hip-to-gable roof alteration, erection of an outbuilding to serve as a garage and storage and associated external alterations.

2 Alexandra Road Canton Cardiff CF5 1NS

Ground floor side return extension and rear dormer roof extension with external works.

National Museum And Gallery Of Wales Gorsedd Gardens Road Cathays Cardiff CF10 3NP

Discharge of Condition 3 (Detailed Photographic Record) of 25/02909/LBC.

121 Maes-y-coed Road Heath Cardiff CF14 4HE

Change of use of ground floor commercial unit to residential to form a single dwelling house within the building, and construction of a single-storey rear extension with associated external alterations

10 Churchill Way Cathays Cardiff CF10 2DX

Operate with the opening times: Sunday - Wednesday: 09:00 - 02:30 (the following day) and Thursday - Saturday: 09:00 - 03:30 (the following day).

Brook House Began Road Old St Mellons Cardiff CF3 6XJ

Construction of a pavilion for an existing swimming pool.

136 College Road Llandaff North Cardiff CF14 2NY

First floor side extension with associated external works.

6 Berthwin Street Pontcanna Cardiff CF11 9JH

Single storey infill extension and associated works.

No1 John Street John Street Butetown Cardiff CF10 5PE

2No. wall mounted building signs fixed to facade at high level, 2No. bus stop signs either side of main entrance, and 1No. Fascia sign above main entrance doors.

56 St John's Crescent Whitchurch Cardiff CF14 7AG

First floor side & rear extensions.

North West Cardiff

Discharge of Condition 64 (Detailed Foul Drainage Scheme) of outline planning permission 14/02733/MJR in respect of the area covered by reserved matter application 25/02446/RES (Rhodfa Y-B).

Ocean Reach 135 - 231 Havannah Street Butetown Cardiff CF10 5SG

Replacement and remediation of external cladding.

Phase 1: Land South Of The M4 To The East Of Lisvane, West Of Pontprennau And North Of Cyncoed, Cardiff 'North East Cardiff'

Application for the approval of reserved matters pursuant to outline planning permission 19/02330/MJR for the development of Phase 1 Infrastructure works relating to the main spine road linking between Pontprennau Junction and Parkwall Road, together with foul pumping station, drainage infrastructure including basins, earthworks, landscaping and associated engineering works

Land South Of Willowbrook Drive Trowbridge St Mellons Cardiff

Proposed residential development, access, and associated works.

1 Mount Stuart Arcade Mount Stuart Square Butetown Cardiff CF10 5EE

Conversion of existing commercial space into a two bedroom dwelling. Alterations to the existing shop front and first floor windows.

5 Heol-y-pentre Pentyrch Cardiff CF15 9QD

Excavate part of the garden to create an off road car parking space with a new vehicle crossover.

1 Mount Stuart Arcade Mount Stuart Square Butetown Cardiff CF10 5EE

Conversion of existing commercial space into a two bedroom dwelling. Alterations to the existing shop front and first floor windows.

Whitchurch Fire Station Heol-y-nant Rhiwbina Cardiff CF14 6BS

Installation of a single storey modular building.

Wm Morrisons Supermarkets Ipswich Road Penylan Cardiff CF23 9AQ

Creation of charging zones, erection of EV chargers, erection of canopy, sub-station enclosure, LV panel, meter cabinet and associated works.

24 Rhydhelig Avenue Heath Cardiff CF14 4DD

First floor rear extension.

Whitehall 43 Drysgol Road Radyr Cardiff CF15 8BS

Fire Door Replacement & Remedial Works

Ysgol Gynradd Groes-wen Primary School Rhodfa Plasdwr St Fagans Cardiff CF5 2FG

Construction of a managed temporary drop off and collection point.

Dental Surgery 112 Newport Road Roath Cardiff CF24 1DG

Single storey rear extension.

St David's Hall Working Street Cathays Cardiff CF10 1SH

Discharge of Condition 3 (Bat and Bird Precautionary Method of Works) of 25/00352/FUL.

Land Comprising The Former Michaelston College Site To The West Of Michaelston Road And South Of Drope Road Ely Cardiff

Proposed Non-Material Amendment to Planning Permission 24/01264/HYB - 1) Allow the approved development to be carried out in accordance with an updated Remediation Scheme and for the wording of Condition 32 to be amended accordingly.

25 Parc-y-coed Creigiau Cardiff CF15 9LX

Two storey side extension with single storey wrap around extension to the side and rear and a front porch.

90 Appledore Road Llandaff North Cardiff CF14 3HX

Shed to front garden.

17 Longspears Avenue Gabalfa Cardiff CF14 3NU

Single storey rear extension.

First And Second Floors 147 Clifton Street Adamsdown Cardiff CF24 1LZ

Use of the first and second floors as 2 self contained flats to each floor.

Unit 4B Ty Glas Retail Park Parc Ty Glas Llanishen Cardiff CF14 5DU

Installation of a mezzanine floor to be used as a pet care, treatment and grooming facility and the installation of a condenser unit and gas bottle on the rear elevation.

5 Herbert March Close Llandaff Cardiff CF5 2TD

2 storey side extension, single storey front and rear extensions

National Museum And Gallery Of Wales Gorsedd Gardens Road Cathays Cardiff CF10 3NP

Discharge of Condition 3 (Scaffolding Details) of 25/02606/LBC

Land At Blackweir Fields Cardiff

Temporary use of part of Blackweir Fields for Live Events involving the installation of temporary infrastructure comprising perimeter fencing, stages, lighting, public address (PA) systems, access and other temporary structures and ancillary works.

National Museum And Gallery Of Wales Gorsedd Gardens Road Cathays Cardiff CF10 3NP

Discharge of Condition 5 (Replacement Window Lintel Details) of 25/02606/LBC