The original institution was on the north side of Upper Moorfields, called Windmill Hill, facing Worship Street. Following the expiry of the lease it was transferred into new, larger premises at Old Street.

Consists of the report of the general committee, lists of its members and the officers and governors of the asylum, financial statements (Henry Francis Shaw Lefevre), the report of the physicians and medical superintendent (A.J. Sutherland, Henry Monro, Henry Stevens), statistical tables and tables of post-mortem appearances.

Bound with reports covering 1850-71 (publ.1851-72)