The salary ceiling for 4-room or bigger BTO flats is up to $14,000, or $21,000 for extended/multi-generation families. For 3-room flats, it ranges from $7,000 to $14,000 depending on the project. For 2-room Flexi flats, it's $7,000 for a 99-year lease, $14,000 for a short lease (15 to 45 years).