CF3 5TX lies on Newport Road in Old St Mellons, Cardiff. CF3 5TX is located in the Pontprennau and Old St Mellons electoral ward, within the unitary authority of Cardiff and the Welsh Parliamentary constituency of Cardiff North. The Local Health Board is Cardiff and Vale University and the police force is South Wales. This postcode has been in use since June 1999.


| Easting | 323331 |
| Northing | 181609 |
| Latitude | 51.528167 |
| Longitude | -3.106604 |
| Street | Newport Road |
| Locality | Old St Mellons |
| Town/City | Cardiff |
| Country | Wales |
| Postcode District | CF3 |
Elevation or altitude of CF3 5TX as distance above sea level:
| Metres | Feet | |
|---|---|---|
| Elevation | 30m | 98ft |
Elevation is measured from the approximate centre of the postcode, to the nearest point on an OS contour line from OS Terrain 50, which has contour spacing of ten vertical metres.
➜ How high above sea level am I? Find the elevation of your current position using your device's GPS.
| Ward | Pontprennau And Old St Mellons |
|---|---|
| Constituency | Cardiff North |
NEWLYN, NEWPORT ROAD, OLD ST MELLONS, CARDIFF, CF3 5TX 2025 23 OCT £434,000 |
CRAIGMORE, NEWPORT ROAD, OLD ST MELLONS, CARDIFF, CF3 5TX 2024 14 JUN £260,000 |
THE GATE HOUSE, NEWPORT ROAD, OLD ST MELLONS, CARDIFF, CF3 5TX 2022 6 MAY £405,215 |
KESSING LAN, NEWPORT ROAD, OLD ST MELLONS, CARDIFF, CF3 5TX 2022 5 MAY £470,000 |
TREDRA, NEWPORT ROAD, OLD ST MELLONS, CARDIFF, CF3 5TX 2021 10 SEP £336,000 |
GREENACRES, NEWPORT ROAD, OLD ST MELLONS, CARDIFF, CF3 5TX 2021 29 JUN £320,000 |
GREENACRES, NEWPORT ROAD, OLD ST MELLONS, CARDIFF, CF3 5TX 2021 23 JUN £325,850 |
WAYSIDE, NEWPORT ROAD, OLD ST MELLONS, CARDIFF, CF3 5TX 2015 19 AUG £315,000 |
NEWLANDS, NEWPORT ROAD, OLD ST MELLONS, CARDIFF, CF3 5TX 2014 16 JAN £342,000 |
NEWLANDS, NEWPORT ROAD, OLD ST MELLONS, CARDIFF, CF3 5TX 2012 29 AUG £201,000 |
| Llaneirwg Way (Newport Road) | Old St Mellons | 98m |
| Llaneirwg Way (Newport Road) | Old St Mellons | 135m |
| Vaindre Lane (Newport Road) | Llanrumney | 260m |
| Wern Fawr Lane (Newport Road) | Llanrumney | 291m |
| Sanderling Drive (Willobrook Drive) | Old St Mellons | 297m |
| Percentage of properties with Next Generation Access | 100.0% |
| Percentage of properties with Superfast Broadband | 100.0% |
| Percentage of properties with Ultrafast Broadband | 95.7% |
| Percentage of properties with Full Fibre Broadband | 0.0% |
Superfast Broadband is between 30Mbps and 300Mbps
Ultrafast Broadband is > 300Mbps
| Median download speed | 70.0Mbps |
| Average download speed | 84.9Mbps |
| Maximum download speed | 200.00Mbps |
| Median upload speed | 6.4Mbps |
| Average upload speed | 5.8Mbps |
| Maximum upload speed | 10.00Mbps |
| Percentage of properties unable to receive 2Mbps | 0.0% |
| Percentage of properties unable to receive 5Mbps | 0.0% |
| Percentage of properties unable to receive 10Mbps | 0.0% |
| Percentage of properties unable to receive 30Mbps | 0.0% |
Estimated total energy consumption in CF3 5TX by fuel type, 2015.
| Consumption (kWh) | 373,499 |
|---|---|
| Meter count | 17 |
| Mean (kWh/meter) | 21,971 |
| Median (kWh/meter) | 20,045 |
| Consumption (kWh) | 74,463 |
|---|---|
| Meter count | 18 |
| Mean (kWh/meter) | 4,137 |
| Median (kWh/meter) | 3,729 |



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| Last Collection | |||
|---|---|---|---|
| Location | Mon-Fri | Sat | Distance |
| Willowbrook Drive | 17:00 | 11:15 | 874m |
| Ball Road | 17:15 | 11:00 | 1,726m |
| Coed Y Gores | 17:30 | 11:45 | 2,188m |
The below table lists the International Territorial Level (ITL) codes (formerly Nomenclature of Territorial Units for Statistics (NUTS) codes) and Local Administrative Units (LAU) codes for CF3 5TX:
| ITL 1 Code | Name |
|---|---|
| TLL | Wales |
| ITL 2 Code | Name |
| TLL2 | East Wales |
| ITL 3 Code | Name |
| TLL22 | Cardiff and Vale of Glamorgan |
| LAU 1 Code | Name |
| W06000015 | Cardiff |
The below table lists the Census Output Area (OA), Lower Layer Super Output Area (LSOA), and Middle Layer Super Output Area (MSOA) for CF3 5TX:
| Code | Name | |
|---|---|---|
| OA | W00009477 | |
| LSOA | W01001840 | Cardiff 007D |
| MSOA | W02000373 | Cardiff 007 |
| CF3 5TY | Parkstone Avenue | 84m |
| CF3 0BU | Limewood Close | 115m |
| CF3 0DF | Eider Close | 136m |
| CF3 5DE | William Nicholls Drive | 160m |
| CF3 5DH | Allen Close | 160m |
| CF3 0DG | Osprey Close | 162m |
| CF3 0BT | Aspen Close | 187m |
| CF3 5XA | Wernfawr Lane | 199m |
| CF3 0BS | Hazelwood Drive | 214m |
| CF3 0DL | Sandpiper Close | 228m |