Leisure is incorrect https://wiki.openstreetmap.org/wiki/Key:landuse perhaps institutional, military, recreation_ground or commercial although none of these feel quite right. 

Mickleover Army Cadets mentioned https://armycadets.com/county/derbyshire-acf/ https://www.openstreetmap.org/node/3141971144 is not 2 meters above sea level (nearer 100m) and may perhaps not be a firing range.

There is also a nursery https://www.openstreetmap.org/node/5834308976 within the Royal British Legion building https://www.openstreetmap.org/way/309032788
