Layer Estimates:

Layer: SIMD_Datazone_Populations_and_Statistics (ID:0)
Count: 121
Extent:

XMin: 223798.4451
YMin: 676198.254799999
XMax: 288159.3676
YMax: 741962.780200001
Spatial Reference: 27700 (27700)

Layer: Datazone_Uptake_0323 (ID:2)
Count: 121