@Teedy
35Mbs suggests an FTTC ('part fibre') connection. 150Mbs is only possible if your address is in an area served by G.fast or FTTP ('full fibre')
If either of those technologies are available you'd need to proactively order such a service: that isn't something which just happens.
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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
