Australian weekly household incomes have grown by less than the price of a coffee a year since 2008 and the Reserve Bank has warned workers to expect stubbornly low wage growth "for some time" yet.

The paltry $3 per year bump in real terms has frustrated consumers, with any minuscule gains likely to be wiped out by surging power prices in the next 12 months as retailers book in increases of up to $300 in NSW and Victoria.

According to the minutes of September's Reserve Bank board meeting released on Tuesday, only teachers and healthcare workers have seen any meaningful jumps in their pay packet, with mining and retail workers hardest hit.

Across the economy, incomes in the private sector are struggling to keep up with the rate of inflation making groceries more expensive for consumers.