Managed vps with cpanel and WHM should run you around anything from $25 to about $50 and above. Take into consideration all hosts have different management polices some cover certain aspects of managing the server while others don't.
Be sure before choosing any host to do research on them before signing up.
Be aware that DC space and in particular power costs are much more expensive in UK than US. You will need to significantly increase your budget for that sort of spec. on a proper fully managed VPS in the UK.
best country for network connection and speed at this movement is Netherlands Holland
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