1. A storage unit comprising:
a steel frame comprising posts, lintels and sills formed into an integral unit;
said frame being shaped and sized to house at least one secure container;
at least one secure container defining a space, said secure container being formed of sides, top, back and bottom formed into an integral box having an open face,
a door lockable to secure the open face of said secure container,
said secure container being fittable into said frame and including means extending from said space into said steel frame to secure said secure container in place in said frame.