Clear DB of lat & lng
run geocode

ID	NAME	ADDRESS	POSTCODE	LAT	LNG
1	test1	7 Sunningdale Drive, Warmley, Bristol	BS308GP	0.000000	0.000000
2	test2	62 Stockwell Drive, Mangotsfield, Bristol	BS169DP	0.000000	0.000000
3	test3	Paulton House, Paulton, Bristol	BS397SX	0.000000	0.000000