From 21st February several Sky branded channels will be moved and one channel will close.

Sky Guide - Sky (modified to reflect Sky & Sky+ EPG)
Sky Arts 1 will be heading to channel 129 while Sky Arts 2 is on the move to 130. Sky 2, Sky Living+1 and Sky LivingIt+1 will also be moving.
The full list of channel changes is as follows…
Sky Arts 1 moves to 129 (Sky Arts 1 HD to 239)
Sky Arts 2 moves to 130 (Sky Arts 2 HD to 290)
Sky 2 moves to 121
Sky Living+1 moves to 123
Sky LivingIt+1 moves to 238
Sky Living Loves will close