| Postcode | CF45 4PB | 
|---|---|
| Post Town | Mountain Ash | 
| Nearest station | Abercynon (0 km) | 
| Bus stops | Post Office (N) St Donat`s Church (SW) St Donat`s Church (NE) Abercynon Railway Station  (N) Ynysmeurig (SW) Ynysmeurig (NE) | 
| Roads in this postcode | |
| Number of UPRNs | 21 View | 
| Known addresses | 3 Nash Street, Abercynon 5 Nash Street, Abercynon 6 Nash Street, Abercynon 7 Nash Street, Abercynon 10 Nash Street, Abercynon 12 Nash Street, Abercynon 15 Nash Street, Abercynon 16 Nash Street, Abercynon 18 Nash Street, Abercynon 19 Nash Street, Abercynon | 
| Main property type | Terraced | 
| Businesses | 
| Latitude | 51.643327 | |
|---|---|---|
| Longitude | -3.331686 | |
| Easting | 307950 | |
| Northing | 194676 | |
| Grid reference | ST079946 | |
| UTM reference | 30U 477049 5721421 | |
| what3words | pixel.usages.quantity | |
| FixPhrase | crinkle lung slingshot unbounded | |
| Plus code | 9C3RJMV9+88 | |
| Altitude | 105 metres (344 feet) | |
| Sunrise (today) | 7:06 | |
| Sunset (today) | 16:49 | |
| Distance away | ||
| Distance to sea | 22.4 KMs (13.9 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 | |
| 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) | 65 | |
|---|---|---|
| Households (2011) | 19 | |
| 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) | W00006038 | |
| Census output area (2011) | 8B1 | |
| Lower layer super output area (2021) | Rhondda Cynon Taf 012A | W01001143 | 
| Lower layer super output area (2011) | Rhondda Cynon Taf 012A | W01001143 | 
| 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% | 
| Address | Type | Date | Price | 
|---|---|---|---|
| 10 Nash Street, Abercynon | Terraced (freehold) | Apr 2019 | £76,000 | 
| Terraced (freehold) | Jun 1997 | £15,000 | |
| 3 Nash Street, Abercynon | Terraced (freehold) | Nov 2018 | £62,000 | 
| Terraced (freehold) | Nov 2002 | £28,000 | |
| 12 Nash Street, Abercynon | Terraced (freehold) | Oct 2018 | £75,000 | 
| 6 Nash Street, Abercynon | Terraced (freehold) | Aug 2013 | £85,000 | 
| 7 Nash Street, Abercynon | Terraced (freehold) | Jun 2013 | £82,000 | 
| Terraced (freehold) | Apr 2012 | £43,000 | |
| 18 Nash Street, Abercynon | Terraced (freehold) | Dec 2009 | £55,000 | 
| 5 Nash Street, Abercynon | Terraced (freehold) | Jun 2007 | £82,500 | 
| 19 Nash Street, Abercynon | Terraced (freehold) | Oct 2005 | £91,000 | 
| Terraced (freehold) | Jul 2002 | £22,000 | |
| 15 Nash Street, Abercynon | Terraced (freehold) | Sep 2005 | £84,000 | 
| 16 Nash Street, Abercynon | Terraced (freehold) | Sep 2002 | £46,000 |