Arsenal On 24 May 2024, Harbert made her senior, non-competitive, debut for Arsenal in their
1–0 win against A-League All-Stars Women as part of Arsenal's 2024 post-season tour. She then went on to feature in Arsenal's 1–2 win against
Washington Spirit, coming on as a sub for Alessia Russo in the 78th minute. Harbert signed her first professional contract with Arsenal on 3 January 2025 after nine years at the club.
Watford (dual-sign loan) At the start of the
2023-2024 season, Harbert signed on dual-sign agreement with
Women's National League side
Watford alongside fellow Young Gunners
Michelle Agyemang and
Katie Reid. She featured in 17 games for Watford across all competitions, scoring her first senior goal and hat-trick in a 6–1 win away at Southampton to keep Watford in the
FA Cup.
Southampton (loan) After signing her first professional contract with parent club Arsenal, Harbert signed on loan for the remainder of the
2024-25 season with
Women's Championship side
Southampton FC on 23 January 2025. Harbert made 9 appearances across all competitions for Saints.
Portland Thorns (loan) On 25 August 2025, Harbert joined
NWSL club
Portland Thorns FC on a loan through the remainder of the
Thorns' 2025 campaign. She made her NWSL debut one month later, coming on as a second-half substitute for
Hina Sugita in a 26 September defeat to
Gotham FC.
Everton (loan) On 28 January 2026, Harbert joined WSL club
Everton on loan through to the end of the 2025–26 season. == International career ==