| Postcode | CF37 3LY | 
|---|---|
| Post Town | Pontypridd | 
| Nearest station | Abercynon (2 km) | 
| Bus stops | Roberttown Hotel (SE) Roberttown Hotel (NW) | 
| Roads in this postcode | |
| Number of UPRNs | 28 View | 
| Known addresses | 
                          No addresses found
                       | 
| Businesses | 
                        No businesses found
                     | 
| Latitude | 51.641876 | |
|---|---|---|
| Longitude | -3.355561 | |
| Easting | 306295 | |
| Northing | 194545 | |
| Grid reference | ST062945 | |
| UTM reference | 30U 475396 5721267 | |
| what3words | patio.ratio.ballroom | |
| FixPhrase | crinkle lung slather vocalize | |
| Plus code | 9C3RJJRV+QQ | |
| Altitude | 174 metres (571 feet) | |
| Sunrise (today) | 7:06 | |
| Sunset (today) | 16:49 | |
| Distance away | ||
| Distance to sea | 23.4 KMs (14.5 miles) | 
| Parish | Ynysybwl and Coed-y-cwm | W04000711 | 
|---|---|---|
| Ward | Ynysybwl | W05001115 | 
| Unitary Authority | Rhondda Cynon Taf | W06000016 | 
| County | Mid Glamorgan | W11000005 | 
| Constituency (2024) | Pontypridd | W07000106 | 
| MP | Alex Davies-Jones | Labour | 
| Police force | South Wales | |
| Water company | Dwr Cymru Welsh Water | |
| NUTS/ITL 3 | Central Valleys and Bridgend | |
| NUTS/ITL 2 | South East Wales | |
| NUTS/ITL 1 | Wales | |
| Country | Wales | W92000004 | 
| Date introduced | January 1980 | 
|---|---|
| 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) | 9 | |
|---|---|---|
| Households (2011) | 4 | |
| Index of Multiple Deprivation (2019) | Most deprivedLeast deprived | |
| Average household income (2020) | Lowest (£22,200)
                        Highest (£108,100)
                       | |
| Rural/urban (2021) | Urban: Further from a major town or city | |
| Rural/urban (2011) | Rural town and fringe | |
| Census output area (2021) | W00006735 | |
| Census output area (2011) | 8C1 | |
| Lower layer super output area (2021) | Rhondda Cynon Taf 015C | W01001282 | 
| Lower layer super output area (2011) | Rhondda Cynon Taf 015C | W01001282 | 
| Middle layer super output area (2021) | Glyn-coch & Ynys-y-bwl | W02000266 | 
| Middle layer super output area (2011) | Glyn-coch & Ynys-y-bwl | W02000266 | 
| Travel to work area | Cardiff | W22000024 | 
| Average property price in Cardiff | £221,509 | 
|---|---|
| Annual change | 2.2% |