Public and Community Housing Management Act 1992, ss 104–116; Public and Community Housing Management (Prescribed Elements of Calculation Mechanism) Regulations 2018
This will depend on how much your household earns. If your income is below a certain level you may qualify for a lower level of rent, called “income-related rent”- where the government pays the difference between what you can pay (based on 25% of your net income) and the normal market rent rate.