Lapage is the grandson of Paul Van Himst, club icon of Anderlecht and the Belgian National team.

[1] Lapage is a youth exponent of Anderlecht, signing his first contract in May 2022.

[2][3] Featuring in the RSCA Futures squad in the Challenger Pro League, Lapage made his professional first-team debut as a substitute on 31 October 2024 in a 4-0 Belgian Cup win at Tubize-Braine.

[6][7] On 4 February 2025, Lapage signed a four-and-a-half-year contract with Westerlo.

[8] This biographical article related to association football in Belgium, about a defender, is a stub.