Layer Estimates:

Layer: gpspoints2 (ID:0)
Count: 48
Extent:

XMin: -3.34486719176743
YMin: 50.8964904640637
XMax: -3.33333905675204
YMax: 50.9011628386941
Spatial Reference: 4326 (4326)

Layer: gpspoints (ID:1)
Count: 36
Extent:

XMin: -3.34414299560274
YMin: 50.8968767939289
XMax: -3.33325255636032
YMax: 50.9012363483788
Spatial Reference: 4326 (4326)