| Postcode | CF45 3PW | 
|---|---|
| Post Town | Mountain Ash | 
| Nearest station | Mountain Ash (0 km) | 
| Bus stops | Bruce Arms Hotel (SE) Town Hall (NW) Oxford Street (SE) Cynon Infants School (SE) Napier Arms (S) Oxford Street (NW) | 
| Roads in this postcode | |
| Number of UPRNs | 53 View | 
| Known addresses | Bruce Arms Hotel, Commercial Street, Mountain Ash 42 Commercial Street, Mountain Ash 44 Commercial Street, Mountain Ash 46 Commercial Street, Mountain Ash 48 Commercial Street, Mountain Ash 58 - 60 Commercial Street, Mountain Ash 66 Commercial Street, Mountain Ash 70 Commercial Street, Mountain Ash 74 Commercial Street, Mountain Ash | 
| Main property type | Terraced | 
| Businesses | 
| Latitude | 51.68398 | |
|---|---|---|
| Longitude | -3.38073 | |
| Easting | 304642 | |
| Northing | 199261 | |
| Grid reference | ST046992 | |
| UTM reference | 30U 473679 5725959 | |
| what3words | foremost.lifeguard.rinses | |
| FixPhrase | crinkle lung stuck tavern | |
| Plus code | 9C3RMJM9+HP | |
| Altitude | 115 metres (379 feet) | |
| Sunrise (today) | 7:06 | |
| Sunset (today) | 16:49 | |
| Distance away | ||
| Distance to sea | 28.1 KMs (17.4 miles) | 
| Parish | Mountain Ash West | W04001017 | 
|---|---|---|
| Ward | Mountain Ash | W05001092 | 
| 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) | 24 | |
|---|---|---|
| Households (2011) | 13 | |
| 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) | Urban city and town | |
| Built up area (2024) | Mountain Ash | W45001094 | 
| Census output area (2021) | W00006357 | |
| Census output area (2011) | 8C1 | |
| Lower layer super output area (2021) | Rhondda Cynon Taf 006E | W01001208 | 
| Lower layer super output area (2011) | Rhondda Cynon Taf 006E | W01001208 | 
| Middle layer super output area (2021) | Mountain Ash | W02000257 | 
| Middle layer super output area (2011) | Mountain Ash | W02000257 | 
| Travel to work area | Merthyr Tydfil | W22000029 | 
| Average property price in Cardiff | £221,509 | 
|---|---|
| Annual change | 2.2% | 
| Address | Type | Date | Price | 
|---|---|---|---|
| 48 Commercial Street, Mountain Ash | Terraced (freehold) | Jun 2024 | £39,950 | 
| 44 Commercial Street, Mountain Ash | Terraced (freehold) | May 2023 | £68,000 | 
| Terraced (freehold) | Sep 2005 | £64,000 | |
| 46 Commercial Street, Mountain Ash | Terraced (freehold) | Apr 2022 | £76,250 | 
| Terraced (freehold) | Mar 2006 | £30,000 | |
| 42 Commercial Street, Mountain Ash | Terraced (freehold) | Jun 2021 | £100,000 | 
| Bruce Arms Hotel, Commercial Street, Mountain Ash | Other (freehold) | Mar 2019 | £38,000 | 
| 66 Commercial Street, Mountain Ash | Other (freehold) | Jan 2017 | £48,000 | 
| Other (freehold) | Jul 2015 | £33,000 | |
| Terraced (freehold) | Dec 2006 | £65,000 | |
| 74 Commercial Street, Mountain Ash | Terraced (freehold) | Jul 2010 | £75,000 | 
| 70 Commercial Street, Mountain Ash | Terraced (freehold) | Aug 2004 | £19,000 | 
| 58 - 60 Commercial Street, Mountain Ash | Terraced (freehold) | Oct 1999 | £65,000 |