Layer Estimates:

Layer: WARDS17_Pop (ID:0)
Count: 23
Extent:

XMin: 250424.5
YMin: 656462.6
XMax: 270434.1
YMax: 673071.4
Spatial Reference: 27700 (27700)

Layer: Neighbourhoods (ID:1)
Count: 56
Extent:

XMin: 250424.499986759
YMin: 656462.625000564
XMax: 270434.062501395
YMax: 673071.375032032
Spatial Reference: 27700 (27700)

Layer: PostcodeSectors (ID:2)
Count: 104
Extent:

XMin: 246999.172800001
YMin: 657025.300000004
XMax: 272374.255600001
YMax: 673071.400000004
Spatial Reference: 27700 (27700)