Born in Bermuda, Burchall came through the younger age groups with the AFC Bournemouth Academy.
He began to play for the under-18s at the start of the 2020/21 season and has played in the majority of matches for the youth team.
His progress was noted by manager Jason Tindall who gave his debut but the South Coast side may have to rely on compensation set by a tribunal ifhee leaves for free this summer.