@Lisa254 wifi coverage is affected by three factors Layout of your home, How it is constructed and The level of interference. Flats can be difficult to network as internal walls are often made of concrete and the level of interference can be high as you have neighbours' networks all round you. Getting an extender might help Sky only supply these as part of their WiFi Max add-on see https://www.sky.com/help/articles/sky-wifi-max
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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
