What do plumbers charge after hours in Australia?
Expect 1.5 to 2 times the standard rate, which puts after-hours work at roughly $120 to $400 an hour against the normal $80 to $200 band, usually with a higher call-out fee on top. A genuine emergency like a burst pipe or gas smell is worth the premium. A drip or slow drain is not: isolate the water at the meter and book business hours. Tip: every house member should know where the water meter isolation valve is before the emergency happens.
Full ranges, factors and sources: Plumber Rates cost guide.