| Postcode | CF46 5HW | 
|---|---|
| Post Town | Treharris | 
| Nearest station | Quakers Yard (1 km) | 
| Bus stops | Cilhaul Top (SW) Cilhaul Top (NE) Navigation Hotel (NE) St Matthias` Church (E) St Matthias` Church (SW) Twynygarreg Terminus (SW) | 
| Roads in this postcode | |
| Number of UPRNs | 33 View | 
| Known addresses | Ty Jasmine, Webster Street, Treharris 1 Webster Street, Treharris 1A Webster Street, Treharris 3 Webster Street, Treharris 5 Webster Street, Treharris 6 Webster Street, Treharris 7 Webster Street, Treharris 8 Webster Street, Treharris 9 Webster Street, Treharris 10 Webster Street, Treharris 11 Webster Street, Treharris 13 Webster Street, Treharris 14 Webster Street, Treharris 15 Webster Street, Treharris 69 Webster Street, Treharris 71 Webster Street, Treharris 72 Webster Street, Treharris 74 Webster Street, Treharris 75 Webster Street, Treharris 76 Webster Street, Treharris 77 Webster Street, Treharris 78 Webster Street, Treharris 81 Webster Street, Treharris | 
| Main property type | Terraced | 
| Businesses | 
| Latitude | 51.666713 | |
|---|---|---|
| Longitude | -3.305477 | |
| Easting | 309810 | |
| Northing | 197245 | |
| Grid reference | ST098972 | |
| UTM reference | 30U 478873 5724014 | |
| what3words | models.weeded.chestnuts | |
| FixPhrase | crinkle lung stained unwanted | |
| Plus code | 9C3RMM8V+MR | |
| Altitude | 181 metres (595 feet) | |
| Sunrise (today) | 7:06 | |
| Sunset (today) | 16:49 | |
| Distance away | ||
| Distance to sea | 23.4 KMs (14.6 miles) | 
| Parish | Treharris | W04000722 | 
|---|---|---|
| Ward | Treharris | W05001625 | 
| Unitary Authority | Merthyr Tydfil | W06000024 | 
| County | Mid Glamorgan | W11000005 | 
| Constituency (2024) | Merthyr Tydfil and Aberdare | W07000099 | 
| MP | Gerald 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) | 72 | |
|---|---|---|
| Households (2011) | 31 | |
| 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) | Urban city and town | |
| Built up area (2024) | Treharris | W45001102 | 
| Census output area (2021) | W00006920 | |
| Census output area (2011) | 8B1 | |
| Lower layer super output area (2021) | Merthyr Tydfil 007D | W01001321 | 
| Lower layer super output area (2011) | Merthyr Tydfil 007D | W01001321 | 
| Middle layer super output area (2021) | Treharris & Trelewis | W02000289 | 
| Middle layer super output area (2011) | Treharris & Trelewis | W02000289 | 
| Travel to work area | Merthyr Tydfil | W22000029 | 
| Average property price in Cardiff | £221,509 | 
|---|---|
| Annual change | 2.2% | 
| Address | Type | Date | Price | 
|---|---|---|---|
| 14 Webster Street, Treharris | Terraced (freehold) | Jun 2025 | £45,000 | 
| Terraced (freehold) | Nov 1995 | £16,000 | |
| 7 Webster Street, Treharris | Terraced (freehold) | Jul 2024 | £87,000 | 
| Terraced (freehold) | Jun 2020 | £57,000 | |
| 8 Webster Street, Treharris | Terraced (freehold) | Apr 2024 | £70,000 | 
| 9 Webster Street, Treharris | Terraced (freehold) | Jun 2022 | £110,000 | 
| Terraced (freehold) | Jun 2021 | £84,000 | |
| Terraced (freehold) | Jan 2007 | £76,950 | |
| 6 Webster Street, Treharris | Terraced (freehold) | Apr 2022 | £88,000 | 
| Terraced (freehold) | Sep 2008 | £65,000 | |
| 15 Webster Street, Treharris | Terraced (freehold) | Aug 2021 | £140,000 | 
| Terraced (freehold) | Jul 2001 | £46,000 | |
| 72 Webster Street, Treharris | Terraced (freehold) | May 2021 | £95,000 | 
| 11 Webster Street, Treharris | Terraced (freehold) | Feb 2021 | £111,000 | 
| Terraced (freehold) | Jul 2020 | £59,500 | |
| 78 Webster Street, Treharris | Terraced (freehold) | Jul 2020 | £83,000 | 
| Terraced (freehold) | Jul 2019 | £56,000 | |
| 10 Webster Street, Treharris | Terraced (freehold) | Jun 2020 | £95,500 | 
| Terraced (freehold) | Dec 1999 | £35,000 |