His aim was to build a hospital and school outside the city for children with non-pulmonary tuberculosis.

[4][5] In 1948 the National Health Service took over the hospital, and the Lord Mayor Treloar College moved from Alton, to a new site bought by the Trust in 1949 in the nearby village of Froyle.

[5] In 1995 the Holybourne campus became the Lord Mayor Treloar National Specialist College of Further Education.

In 2019, a public inquiry into the National Health Service's use of contaminated blood products began taking evidence from those affected, and in 2021, heard statements from former Treloar's pupils who were infected there.

The scheme states that an 'Additional Autonomy award' of £15,000 will be available to all infected persons who attended Lord Mayor Treloar College.

A sports facility accommodating basketball, chair football, hockey, and tennis was opened in 2014.