Soon after that it was compulsorlily purchased by Hertfordshire County Council, who built Watford College on part of the site, and they used Little Cassiobury as an education office for most of the 20th century.
Soon after that it was compulsorlily purchased by Hertfordshire County Council, who built Watford College (latterly West Herts College) on part of the site. Herts County Council used Little Cassiobury as an education office for most of the 20th century.