Hypothesis ; helo arrives to p/u 3 people,probably shut-down and restart,,flies away for the jolly around Leicester,returns sometime later ,lands and parks ,nose upslope.,probably shutdown again whilst pax disembark...for Mum`s orange juice...
Note the aircraft attitude prior to moving back, hardly changes,snags rear of stbd skid,and possibly `stinger`,causing yaw left,and messing up the lawn.. Slope of ground is 9-10*....Totally wrong technique for sloping ground,and you never `pre-position the pedals for t/o`....Is that a `go-pro` camera on the end of the stabiliser...?
Change of CG from heavy to light...