Born in Luton, Bedfordshire, Brill joined Luton at the age of nine, progressing through the Centre of Excellence and representing Luton Schools and Bedfordshire County Schools at various age groups.
Brill, from Luton, Bedfordshire, started playing for Luton at nine years old. He moved up through the Centre of Excellence and represented various schools, including his own and those in Bedfordshire, across different age groups.