Similar risks I would say. The UK by and large chose "the sensible option" in the last general election. The equivalent of Harris/dems, or the "anti chaos" option.
Reelecting Trump vs reelecting the Tories is a fair comparison, especially as the Tories are moving further and further right wing.
In summary the labour party have about 3 years to make some noticeable impact to people's lives in the UK, but all that against the backdrop of huge financial issues incurred during the past decade or so, increasing war and conflict and now the Trump presidency.
There very well maybe people who will follow the conservative party on their way further right. The UK already had it's brexit moment and has not really learned from it fully.
Get a wide front rack installed (look for "pizza rack"), put the normal cat carrier on it with bungee cords and be very careful.
I stopped doing this and just started taking the bus because I felt it was probably too stressful for all, but that's just my opinion!