| Postcode | CF45 4YJ | 
|---|---|
| Post Town | Mountain Ash | 
| Nearest station | Penrhiwceiber (1 km) | 
| Bus stops | Tynte Hotel (W) Bryntirion (SW) Bryntirion (E) Bryntirion (SE) Bryntirion (NW) Pentwyn Avenue (W) | 
| Known addresses | 
                          No addresses found
                       | 
| Businesses | 
                        No businesses found
                     | 
| Latitude | 51.66175 | |
|---|---|---|
| Longitude | -3.350762 | |
| Easting | 306668 | |
| Northing | 196750 | |
| Grid reference | ST066967 | |
| UTM reference | 30U 475738 5723476 | |
| what3words | prospered.broccoli.wicked | |
| FixPhrase | crinkle lung spouse vest | |
| Plus code | 9C3RMJ6X+PM | |
| Altitude | 117 metres (384 feet) | |
| Sunrise (today) | 7:06 | |
| Sunset (today) | 16:49 | |
| Distance away | ||
| Distance to sea | 24.8 KMs (15.4 miles) | 
| Parish | Abercynon | W04000678 | 
|---|---|---|
| Ward | Abercynon | W05001072 | 
| Unitary Authority | Rhondda Cynon Taf | W06000016 | 
| County | Mid Glamorgan | W11000005 | 
| Constituency (2024) | Pontypridd | W07000106 | 
| MP | Alex Davies-Jones | Labour | 
| Police force | South Wales | |
| NUTS/ITL 3 | Central Valleys and Bridgend | |
| NUTS/ITL 2 | South East Wales | |
| NUTS/ITL 1 | Wales | |
| Country | Wales | W92000004 | 
| Date introduced | December 2001 | 
|---|---|
| Date usage ended | September 2003 | 
| Last updated | September 2025 | 
| User type | Large (addresses receive more than 25 items of mail per day) | 
| Quality | Imputed by ONS by reference to surrounding postcode grid references | 
| 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) | Rural town and fringe | |
| Built up area (2024) | Abercynon | W45001111 | 
| Census output area (2021) | W00006042 | |
| Census output area (2011) | 8B1 | |
| Lower layer super output area (2021) | Rhondda Cynon Taf 012B | W01001144 | 
| Lower layer super output area (2011) | Rhondda Cynon Taf 012B | W01001144 | 
| Middle layer super output area (2021) | Abercynon | W02000263 | 
| Middle layer super output area (2011) | Abercynon | W02000263 | 
| Travel to work area | Merthyr Tydfil | W22000029 | 
| Average property price in Cardiff | £221,509 | 
|---|---|
| Annual change | 2.2% |