| Postcode | CF10 1AJ | 
|---|---|
| Post Town | Cardiff | 
| Nearest station | Cardiff Central (0 km) | 
| Bus stops | 
                       Lower St Mary Street NB (SE) 
Wyndham Arcade Stop NA (SE) 
Lower St. Mary Street JS (NW) 
Hayes Bridge Road JH (SE) 
Philharmonic JP (NW) 
Customhouse Street JG (NE) 
                     | 
                  
| Roads in this postcode | |
| Number of UPRNs | 9 View | 
| Known addresses | 
                       42 The Hayes, Cardiff 
                       | 
                  
| Main property type | Other | 
| Businesses | 
                     
                        No businesses found
                     
                   | 
                
| Latitude | 51.478369 | |
|---|---|---|
| Longitude | -3.175901 | |
| Easting | 318434 | |
| Northing | 176146 | |
| Grid reference | ST184761 | |
| UTM reference | 30U 487784 5703038 | |
| what3words | mint.formal.lush | |
| FixPhrase | cringe lure stopping underdone | |
| Plus code | 9C3RFRHF+8J | |
| Altitude | 16 metres (52 feet) | |
| Sunrise (today) | 7:12 | |
| Sunset (today) | 16:42 | |
| Distance away | ||
| Distance to sea | 1.8 KMs (1.1 miles) | 
| Parish | Castle | W04000841 | 
|---|---|---|
| Ward | Cathays | W05001274 | 
| Unitary Authority | Cardiff | W06000015 | 
| County | South Glamorgan | W11000007 | 
| Constituency (2024) | Cardiff South and Penarth | W07000091 | 
| MP | Stephen Doughty | Labour | 
| Police force | South Wales | |
| Water company | Dwr Cymru Welsh Water | |
| NUTS/ITL 3 | Cardiff and Vale of Glamorgan | |
| NUTS/ITL 2 | South East Wales | |
| NUTS/ITL 1 | Wales | |
| Country | Wales | W92000004 | 
| Date introduced | June 1999 | 
|---|---|
| Last updated | September 2025 | 
| User type | Small (addresses receive less than 25 items of mail per day) | 
| Quality | Within the building of the matched address closest to the postcode mean | 
| Population (2011) | 4 | |
|---|---|---|
| Households (2011) | 3 | |
| Index of Multiple Deprivation (2019) | 
                     Most deprivedLeast deprived 
                   | 
                |
| Average household income (2020) | 
                       Lowest (£22,200)
                        Highest (£108,100)
                       
                     | 
                  |
| Rural/urban (2021) | Urban: Nearer to a major town or city | |
| Rural/urban (2011) | Urban city and town | |
| Built up area (2024) | Cardiff | W45001208 | 
| Census output area (2021) | W00010208 | |
| Census output area (2011) | 2B2 | |
| Lower layer super output area (2021) | Cardiff 032H | W01002019 | 
| Lower layer super output area (2011) | Cardiff 032G | W01001941 | 
| Middle layer super output area (2021) | Cathays South & Bute Park | W02000398 | 
| Middle layer super output area (2011) | Cathays South & Bute Park | W02000398 | 
| Travel to work area | Cardiff | W22000024 | 
| Average property price in Cardiff | £222,873 | 
|---|---|
| Annual change | 2.8% | 
| Address | Type | Date | Price | 
|---|---|---|---|
| 42 The Hayes, Cardiff | Other (freehold) | Jun 2022 | £1,648,112 |