The England Under-20 international spent the second half of last season on loan at Blackburn Rovers, making 19 appearances, and City want him to continue his development under Kompany's tutelage in Belgium's top tier.
Harwood-Bellis flew to Belgium on Monday and is due to undergo a medical on Wednesday ahead of finalising terms on a season loan.
Kompany was keen to take the 19-year old after monitoring his development since making his first team debut as a 17-year old.
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