| Postcode | CF3 6AP | 
|---|---|
| Post Town | Cardiff | 
| Nearest station | Llanishen (4 km) | 
| Bus stops | 
                       Mortimer Avenue (NE) 
Heol Booths 1 (SE) 
Church Road 2 (SW) 
Heol Booths 2 (NW) 
Church Road 1 (NE) 
Heol Booths 3 (S) 
                     | 
                  
| Roads in this postcode | |
| Number of UPRNs | 9 View | 
| Known addresses | 
                       1 Heol Swatridge, Old St Mellons 
                            3 Heol Swatridge, Old St Mellons 
                            5 Heol Swatridge, Old St Mellons 
                            7 Heol Swatridge, Old St Mellons 
                            9 Heol Swatridge, Old St Mellons 
                            11 Heol Swatridge, Old St Mellons 
                            13 Heol Swatridge, Old St Mellons 
                            15 Heol Swatridge, Old St Mellons 
                       | 
                  
| Main property type | Semi-detached | 
| Businesses | 
| Latitude | 51.53644 | |
|---|---|---|
| Longitude | -3.122608 | |
| Easting | 322234 | |
| Northing | 182546 | |
| Grid reference | ST222825 | |
| UTM reference | 30U 491496 5709488 | |
| what3words | faster.works.mile | |
| FixPhrase | cringing lure sketch undying | |
| Plus code | 9C3RGVPG+HX | |
| Altitude | 38 metres (124 feet) | |
| Sunrise (today) | 7:12 | |
| Sunset (today) | 16:42 | |
| Distance away | ||
| Distance to sea | 4.6 KMs (2.9 miles) | 
| Parish | Old St. Mellons | W04000888 | 
|---|---|---|
| Ward | Pontprennau and Old St Mellons | W05001290 | 
| Unitary Authority | Cardiff | W06000015 | 
| County | South Glamorgan | W11000007 | 
| Constituency (2024) | Cardiff North | W07000090 | 
| MP | Anna McMorrin | Labour | 
| Police force | South Wales | |
| NUTS/ITL 3 | Cardiff and Vale of Glamorgan | |
| NUTS/ITL 2 | South East Wales | |
| NUTS/ITL 1 | Wales | |
| Country | Wales | W92000004 | 
| Date introduced | April 2019 | 
|---|---|
| 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 | 
| 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) | W00010631 | |
| Census output area (2011) | 6A1 | |
| Lower layer super output area (2021) | Cardiff 003E | W01002016 | 
| Lower layer super output area (2011) | Cardiff 003C | W01001843 | 
| Middle layer super output area (2021) | Pontprennau | W02000369 | 
| Middle layer super output area (2011) | Pontprennau | W02000369 | 
| Travel to work area | Cardiff | W22000024 | 
| Average property price in Cardiff | £222,873 | 
|---|---|
| Annual change | 2.8% | 
| Address | Type | Date | Price | 
|---|---|---|---|
| 15 Heol Swatridge, Old St Mellons | Semi-detached (freehold) | Sep 2022 | £300,000 | 
| New build semi-detached (freehold) | Dec 2020 | £247,495 | |
| 7 Heol Swatridge, Old St Mellons | Semi-detached (freehold) | Jul 2022 | £300,000 | 
| New build semi-detached (freehold) | Apr 2019 | £224,995 | |
| 1 Heol Swatridge, Old St Mellons | New build semi-detached (freehold) | Jun 2020 | £252,495 | 
| 13 Heol Swatridge, Old St Mellons | New build semi-detached (freehold) | Feb 2020 | £244,995 | 
| 11 Heol Swatridge, Old St Mellons | New build semi-detached (freehold) | Jun 2019 | £220,000 | 
| 9 Heol Swatridge, Old St Mellons | New build semi-detached (freehold) | Jun 2019 | £220,000 | 
| 3 Heol Swatridge, Old St Mellons | New build semi-detached (freehold) | Apr 2019 | £254,995 | 
| 5 Heol Swatridge, Old St Mellons | New build semi-detached (freehold) | Apr 2019 | £224,995 |