@Naina
The intended use doesn't matter: it's just not economically feasible for fixed-line broadband because any Openreach ISP has an initial outlay of several hundred pounds which is recovered over a lengthy minimum contract term in order to make the monthly subscription viable.
You could look at a cellular solution.
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Sky Glass 55" (on ethernet) & two Stream Pucks (one ethernet / one WiFi)
BT Halo 3+ Ultrafast FTTP (500Mbs), BT Smart Hub 2
