housing allowance
A fixed allowance paid by an employer to help cover an employee's housing costs. Common in Japanese corporate compensation packages.
This company offers a generous housing allowance.
The housing allowance is paid separately from the salary.
家賃補助 is a more general term for rent subsidy, while 住宅手当 specifically refers to an employer-provided allowance.
Compound of 住宅 (housing) and 手当 (allowance).