| Postcode | CF45 4BP | 
|---|---|
| Post Town | Mountain Ash | 
| Nearest station | Mountain Ash (0 km) | 
| Bus stops | Railway Station (SE) Nixon`s (NW) Oxford Street (NW) Oxford Street (SE) Town Hall (NW) Primrose Hill (SW) | 
| Roads in this postcode | |
| Number of UPRNs | 22 View | 
| Known addresses | 23 The Poplars, Mountain Ash 24 The Poplars, Mountain Ash 28 The Poplars, Mountain Ash 29 The Poplars, Mountain Ash 30 The Poplars, Mountain Ash 31 The Poplars, Mountain Ash 34 The Poplars, Mountain Ash 35 The Poplars, Mountain Ash 37 The Poplars, Mountain Ash 38 The Poplars, Mountain Ash 39 The Poplars, Mountain Ash | 
| Main property type | Terraced | 
| Businesses | 
                        No businesses found
                     | 
| Latitude | 51.68344 | |
|---|---|---|
| Longitude | -3.376157 | |
| Easting | 304957 | |
| Northing | 199195 | |
| Grid reference | ST049991 | |
| UTM reference | 30U 473994 5725897 | |
| what3words | flaking.attaching.scowls | |
| FixPhrase | crinkle lung struggle undercook | |
| Plus code | 9C3RMJMF+9G | |
| Altitude | 114 metres (373 feet) | |
| Sunrise (today) | 7:06 | |
| Sunset (today) | 16:49 | |
| Distance away | ||
| Distance to sea | 27.8 KMs (17.3 miles) | 
| Parish | Mountain Ash East | W04001016 | 
|---|---|---|
| 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) | 27 | |
|---|---|---|
| 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: 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) | W00006340 | |
| Census output area (2011) | 7C3 | |
| Lower layer super output area (2021) | Rhondda Cynon Taf 006B | W01001205 | 
| Lower layer super output area (2011) | Rhondda Cynon Taf 006B | W01001205 | 
| 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 | 
|---|---|---|---|
| 39 The Poplars, Mountain Ash | Flat (leasehold) | Jul 2021 | £74,000 | 
| Flat (leasehold) | Jul 2013 | £59,000 | |
| 30 The Poplars, Mountain Ash | Terraced (leasehold) | Nov 2018 | £50,000 | 
| Terraced (leasehold) | Aug 2005 | £54,000 | |
| 37 The Poplars, Mountain Ash | Flat (leasehold) | May 2017 | £56,000 | 
| Flat (leasehold) | Nov 2010 | £45,500 | |
| 29 The Poplars, Mountain Ash | Flat (leasehold) | Mar 2012 | £40,000 | 
| 24 The Poplars, Mountain Ash | Flat (leasehold) | Mar 2012 | £40,000 | 
| 34 The Poplars, Mountain Ash | Terraced (leasehold) | Mar 2009 | £56,000 | 
| 28 The Poplars, Mountain Ash | Terraced (leasehold) | Oct 2006 | £60,000 | 
| Terraced (leasehold) | Mar 2000 | £20,000 | |
| 38 The Poplars, Mountain Ash | Terraced (leasehold) | Apr 2006 | £40,000 | 
| 23 The Poplars, Mountain Ash | Terraced (leasehold) | Mar 2006 | £60,000 | 
| 31 The Poplars, Mountain Ash | Terraced (leasehold) | Jan 2005 | £54,000 |