First homebuyers have been steadily growing as a proportion of Greater Perth’s new housing market since mid-2025, according to the latest new land sales data from UDIA WA. In the September 2026 quarter, first homebuyers accounted for 55.7 per cent of the new land market, compared with 31.4 per cent for owner-occupiers and just 12.8 per cent for investors. That proportion is an increase from 51.9 per cent last quarter and 29.