Crap Towns / Treharris / Broadband
How bad is the broadband in Treharris?
In January 2026, 0.3% of premises in Treharris couldn't get superfast broadband (30 Mbit/s), 40% lower than the typical town's 0.5%. Of those, 4 couldn't even get 10 Mbit/s, the legal minimum. Gigabit broadband reached 38.9% of premises, 59% lower than the typical town's 93.8%.
| Broadband | Premises | Share | Typical town |
|---|---|---|---|
| Can't get 10 Mbit/s | 4 | 0.2% | 0.0% |
| Can't get 30 Mbit/s | 8 | 0.3% | 0.5% |
| Gigabit available | 926 | 38.9% | 93.8% |
| Town | Distance | % that can't get 30 Mbit/s |
|---|---|---|
| Pontypridd | 6.6 km | 1.9 |
| Pontllanfraith | 8.0 km | 0.8 |
| Porth | 8.8 km | 0.5 |
| Abercynon | 2.1 km | 0.5 |
| Oakdale | 10.0 km | 0.4 |
| Mountain Ash | 6.1 km | 0.3 |
| Treharris | – | 0.3 |
| Blackwood | 7.5 km | 0.2 |
| Abertridwr and Senghenydd | 7.6 km | 0.2 |
| Bargod | 5.8 km | 0.1 |
| Ystrad Mynach | 5.2 km | 0.1 |
| The typical town | – | 0.5 |