@Arthur29 upgrading conection speed will not necessarily increase WiFi speed in your home which is determined by the layout and type of construction of your home. Various reasons why wifi speeds maybe indeed less first of which is if Sky have sent you a white hubs than and you have Sky Q boxes as these no lngerxact as wifi extenders with the new hub which require matched extenders pods which can come as part of the Wi`fi Max addon see https://www.sky.com/help/articles/sky-wifi-max
Another explanation is the new connection is in a different place and the hub has moved. The answer is getting extenders or switching off the hub's wifi and buying your own kit.
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65inch Sky Glass, 3 Sky Streaming Pucks, Sky Ultrafast + and Sky SR213(white Wifi Max hub) main Wifi from 3 TP-Link Deco M4 units in access point mode
