The Conservatives who have been in government for a long time will most likely lose a general election within a year so we should also be looking at the opposition Labour party's views on this kind of legislation.
Perhaps surprisingly given they are currently led by a former human rights lawyer the Labour side also seem to be authoritarian when it comes to technology and surveillance.
Conservatives more stereotypically spin it for national security/terrorism. But it will come in some form or the other each administration like clockwork.
Generally it seems the intelligence services get a free pass from the entire political class on all sides, regardless of pretence, as we've seen in every Five Eyes countries, including Australia.
Perhaps surprisingly given they are currently led by a former human rights lawyer the Labour side also seem to be authoritarian when it comes to technology and surveillance.