The Guardian's play by play account of today in UK politics notes that Geoffrey Cox has raised the possibility of parliamentary confirmation of judicial appointments, as is done in the US, because of increasing politicization of the UK courts.
Judicial appointments may have to be approved by MPs as courts become more political, Cox suggests
This question is not about whether parliamentary confirmation of justices would be a good idea. Rather, it is about something that might be good to know when considering whether it would be a good idea:
Is it possible today to evaluate justices of the UK supreme court by ideology, as is often done in the US? There, justices are often associated with the president who appointed them and ranked by their voting record.
Edit: Fizz helpfully added some links in comments. I will reproduce them here in case they are deleted. I will try to incorporate them into the answer more elegantly at some point in the future.
https://www.theguardian.com/law/2016/dec/05/profile-the-11-justices-of-the-uk-supreme-court
https://eprint.ncl.ac.uk/file_store/production/218168/E89D54A9-3728-4D16-8131-8B27D45BC462.pdf See p. 13 in particular.
Also see Chris Hanretty, ‘The Decisions and Ideal Points of British Law Lords’ (2012) 43 British Journal of Political Science 703, 710. which apparently has a more classic liberal-conservative scale.