What is the average prison sentence in the UK for conspiracy to kidnap?

If there were ”objects” and ”vehicles” which were going to be used found and it was all planned out on a specific date – and it never happened.

What is the average prison sentence in the uk for ”planning” aka conspiracy (and nothing more) to kidnap?

There were recorded conversations between four parties found – however none of these plans ever took place.

I couldn’t find anything specific to your issue but here are a couple articles. The first one sentenced 7 years plus 2-4 years probation for a similar offence.