@SB35 like many other homes you look to need more WiFi coverage than a single free Sky hub can provide. Sky will sell you an add-on packagecwhich can come with extenders see https://www.sky.com/help/articles/sky-wifi-max or you can buy your own equipment if you prefer.
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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
