查了一下，马来西亚人/服务行业的工人可以租整套。

https://www.mom.gov.sg/passes-and-permits/work-permit-for-foreign-worker/housing/various-types-of-housing

Allowed to house

The following foreign employees are allowed to rent HDB flats:

  • Employment Pass holders
  • EntrePass holders
  • Personalised Employment Pass holders
  • S Pass holders
  • Work Permit (WP) holders who:
    • Are Malaysians.
      or
    • Work in the services sector.
  • Non-Malaysian WP holders from the manufacturing sector are allowed to rent bedrooms, but not the whole flat.