@LindaPoulter what happens to the led indicators on your hub when you lose connection? They can tell you where the issue is.
if the internet light goes amber from green it means an external fault in which case run the connection test in the My Sky app which works overca mobile connection as that will tell you if there is a known issue and can even book an engineer to check your line if it finds a fault.
If the internet light is green the issue is in your home and can simply be poor wifi signal. There are things you can do see Sky Help - Slow wifi
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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
