Crap Towns / Mountain Ash / Broadband

How bad is the broadband in Mountain Ash?

In January 2026, 0.3% of premises in Mountain Ash couldn't get superfast broadband (30 Mbit/s), 40% lower than the typical town's 0.5%. Every premises there could get 10 Mbit/s, the legal minimum. Gigabit broadband reached 94.7% of premises, about the same as the typical town's 93.8%.

The premises
BroadbandPremisesShareTypical town
Can't get 10 Mbit/s00.0%0.0%
Can't get 30 Mbit/s230.3%0.5%
Gigabit available6,46294.7%93.8%
Nearby towns
TownDistance% that can't get 30 Mbit/s
Pontypridd9.6 km1.9
Aberdare4.7 km0.6
Porth8.1 km0.5
Merthyr Tydfil7.7 km0.5
Abercynon5.7 km0.5
Treorchy9.0 km0.3
Mountain Ash–0.3
Treharris6.1 km0.3
Tonypandy8.4 km0.3
Bargod10.6 km0.1
Rhondda7.5 kmless than 0.1
The typical town–0.5