Based on current polling the conservatives would be lucky to get third place. Reform on track to get second or third place depending on the pole, Labour and the lib Dems are fighting for the top spot.

https://en.wikipedia.org/wiki/Opinion_polling_for_the_next_United_Kingdom_general_election

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This graph has the Liberal Democrats at ~14%, the Conservatives at ~16%, Labour at ~20%, and Reform at ~32%.