CF3 5SW maps, stats, and open data
CF3 5SW lies on Melrose Close in St Mellons, Cardiff. CF3 5SW 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.
CF3 5SW maps
Source: OS VectorMap District (Ordnance Survey)
Licence: Open Government Licence (requires attribution)
CF3 5SW geodata
| Easting | 323723 |
| Northing | 181965 |
| Latitude | 51.531419 |
| Longitude | -3.101023 |
Where is CF3 5SW?
| Street | Melrose Close |
| Locality | St Mellons |
| Town/City | Cardiff |
| Country | Wales |
| Postcode District | CF3 |
CF3 5SW Elevation
Elevation or altitude of CF3 5SW 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.
Politics
| Ward | Pontprennau And Old St Mellons |
|---|---|
| Constituency | Cardiff North |
House Prices
Sales of detached houses in CF3 5SW
19A, MELROSE CLOSE, OLD ST MELLONS, CARDIFF, CF3 5SW 2024 27 MAR £275,000 |
22, MELROSE CLOSE, OLD ST MELLONS, CARDIFF, CF3 5SW 2020 27 JAN £370,000 |
19A, MELROSE CLOSE, OLD ST MELLONS, CARDIFF, CF3 5SW 2015 24 APR £245,000 |
9, MELROSE CLOSE, ST MELLONS, CARDIFF, CF3 5SW 2006 14 JUL £180,000 |
1, MELROSE CLOSE, ST MELLONS, CARDIFF, CF3 5SW 2004 6 MAY £185,000 |
20, MELROSE CLOSE, ST MELLONS, CARDIFF, CF3 5SW 1996 2 DEC £84,000 |
24, MELROSE CLOSE, ST MELLONS, CARDIFF, CF3 5SW 1995 31 MAR £90,000 |
Licence: Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.
Transport
Nearest bus stops to CF3 5SW
| Wern Fawr Lane (Newport Road) | Llanrumney | 245m |
| Vaindre Lane (Newport Road) | Llanrumney | 284m |
| Heritage Park (Willowbrook Drive) | St Mellons | 434m |
| Bishop Childs (Willobrook Drive) | St Mellons | 502m |
| Heritage Park (Willowbrook Drive) | St Mellons | 519m |
Broadband
Broadband access in CF3 5SW (2020 data)
| Percentage of properties with Next Generation Access | 100.0% |
| Percentage of properties with Superfast Broadband | 100.0% |
| Percentage of properties with Ultrafast Broadband | 100.0% |
| Percentage of properties with Full Fibre Broadband | 0.0% |
Superfast Broadband is between 30Mbps and 300Mbps
Ultrafast Broadband is > 300Mbps
Broadband speed in CF3 5SW (2019 data)
Download
| Median download speed | 70.0Mbps |
| Average download speed | 113.7Mbps |
| Maximum download speed | 350.00Mbps |
Upload
| Median upload speed | 1.0Mbps |
| Average upload speed | 7.3Mbps |
| Maximum upload speed | 19.63Mbps |
Broadband limitations in CF3 5SW (2020 data)
| 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% |
CF3 5SW gas and electricity consumption
Estimated total energy consumption in CF3 5SW by fuel type, 2015.
Gas
| Consumption (kWh) | 376,153 |
|---|---|
| Meter count | 25 |
| Mean (kWh/meter) | 15,046 |
| Median (kWh/meter) | 13,880 |
Electricity
| Consumption (kWh) | 86,127 |
|---|---|
| Meter count | 25 |
| Mean (kWh/meter) | 3,445 |
| Median (kWh/meter) | 3,078 |
- Consumption: The estimated total energy consumption, in kWh, across all meters in CF3 5SW, for 2015.
- Meter count: The total number of meters in CF3 5SW.
- Mean: The mean average consumption per meter, in kWh.
- Median: The median average consumption per meter, in kWh.
Source: Postcode level electricity estimates: 2015 (experimental)
Licence: Open Government Licence
Deprivation
8.8% of Welsh postcodes are less deprived than CF3 5SW:Food Standards Agency
Three nearest food hygiene ratings to CF3 5SW (metres)
➜ Get more ratings from the Food Standards Agency
Nearest post box to CF3 5SW
| Last Collection | |||
|---|---|---|---|
| Location | Mon-Fri | Sat | Distance |
| Willowbrook Drive | 17:00 | 11:15 | 716m |
| Ball Road | 17:15 | 11:00 | 2,216m |
| Coed Y Gores | 17:30 | 11:45 | 2,694m |
CF3 5SW ITL and CF3 5SW LAU
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 5SW:
| 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 |
CF3 5SW census areas
The below table lists the Census Output Area (OA), Lower Layer Super Output Area (LSOA), and Middle Layer Super Output Area (MSOA) for CF3 5SW:
| Code | Name | |
|---|---|---|
| OA | W00009478 | |
| LSOA | W01001843 | Cardiff 003C |
| MSOA | W02000369 | Cardiff 003 |
Nearest postcodes to CF3 5SW
| CF3 5FX | Old Newport Road | 91m |
| CF3 0DT | Heritage Park | 134m |
| CF3 5UG | Newport Road | 153m |
| CF3 0DS | Heritage Park | 207m |
| CF3 0DU | Heritage Park | 216m |
| CF3 0UJ | Vaendre Lane | 229m |
| CF3 5TZ | Melville Avenue | 230m |
| CF3 0DR | Heritage Park | 269m |
| CF3 0DW | Cormorant Close | 284m |
| CF3 0DQ | Heritage Park | 294m |
- Contains OS data © Crown copyright and database right (2026)
- Contains Royal Mail data © Royal Mail copyright and Database right (2026)
- Contains National Statistics data © Crown copyright and database right (2026)
- Data produced by Land Registry © Crown copyright (2026)
- Contains Environment Agency data licensed under the Open Government Licence v3.0
- Everything else © GetTheData Publishing Limited (2026)
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