The Horror Channel is broadcast in the UK on:

Satellite:
Freesat: UK Channel 138 Channel 139 (+1)
Sky UK & Ireland: Channel 319 Channel 320 (+1)
Eutelsat: 28A 11261 H 27500 2/3 11222 H 27500 2/3 (+1)
Sky Italy: Channel 134

Cable:
Virgin Media: UK Channel 149 Channel 202 (+1)
Smallworld Cable: UK Channel 321
WightFibre: UK Channel 114