Here is a final photograph showing the flat face of the monolith.
A second (far smaller) standing stone, and two cists stand in the corner of the graveyard (just visible between the two trees to the left of the monolith). The cists (rectangular 'boxes' made from slabs) were removed from the centre of a nearby burial mound by a clergyman from the church in the 1800s. Presumably he thought to give the ancient occupants of these mounds a christian burial. The same chap also dug into the 'F' shaped embankment mentioned earlier, finding two burials within it.
If it weren't for the fact that the standing stone dates from the second millennia BC the church itself would be remarkable for its age, as it dates from Norman times. This is another striking example of an attempt to 'christianise' an ancient monument by building a church alongside. The practice was common across the country, and I suppose preferable to destroying these sites altogether.