Oops, should have added for those unfamiliar with Chalk Church:
- Grid: TQ 68322 72502
- Post: DA12 2NL
- WGS84: 51°25'36"N, 000°25'11"E or 51.426529,0.419750
The church is not in Chalk village, but half a mile further east. You need to look out for a small side road, Church Road, of the main A226 "Rochester Road".