My dad is a vicar and during my Uni holidays I used to work in the graveyard and get IIRC:
- £10 for digging an ashes plot
- £3 an hour for mowing / strimming the graveyard
The going rate for full graves was £80 I think, but I wasn't qualified 
Kept me in beer money, and I used to take "bribes" to give graves a bit of extra-special TLC... Alan Sugar would have been proud 