Shorter than he appears!
Here he is, pictured with the Republic of Ireland U-17 squad that competed at the 2017 UEFA European U-17 Championship finals in Croatia in May 2017. He is number 11 (left, middle row) and, if you look closely, he is standing on "tippy toes" (as his then U-16 Albion teammate Danny Cashman stated on twitter at the time!):-
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The hair adds a couple of inches too.