Lenders often shade variable income such as overtime and shift allowances, counting only a portion to allow for its variability. However, some lenders count a higher proportion, in some cases up to 100 per cent, for borrowers in stable essential services roles such as nurses, police and emergency services, where the extra income is regular. How much is counted varies by lender, so it is worth finding one whose policy suits.
Written by Ross McFarlane, Licensed Mortgage Broker (Credit Representative 526725). About the authorFor many shift workers and essential services staff, overtime, penalty rates and allowances are not occasional extras, they are a consistent and significant part of income. Yet lenders often discount this income, which can hurt borrowing power. Some lenders treat it more generously. Here is how it works.
Lenders often shade variable income such as overtime, shift allowances and penalty rates, meaning they count only a portion of it rather than the full amount. The reason is that this income can vary or stop, so they build in a buffer. A common approach is to count a reduced percentage, though the figure differs by lender.
For borrowers in stable essential services roles, such as nurses, police officers and emergency services workers, some lenders count a higher proportion of overtime and allowances, in some cases up to the full amount, recognising that the extra income is regular and reliable in those occupations. Whether a lender does this, and how much it counts, varies.
For a shift worker whose allowances and overtime make up a meaningful share of total income, the difference between a lender shading that income heavily and one counting most or all of it can be substantial for borrowing power. The base salary may be modest, while the real income, including reliable extras, is considerably higher.
Lenders that count more of this income want to see that it is consistent. A steady history of regular overtime and allowances in the same role is far more persuasive than occasional or recent extras. Payslips and an employment history that show the pattern are what allow a lender to count it favourably.
The same principle applies across various forms of additional income, including shift loadings and certain allowances. The key question is always how a given lender treats your specific income components, because two lenders can value the same payslip quite differently.
How lenders shade or count overtime and allowances differs between lenders and changes over time. Being assessed conservatively by one lender does not mean every lender would do the same, which is the kind of situation where comparing lenders pays off.
Because treatment varies so much, the useful step is to match your income profile to a lender whose policy counts it favourably. A broker who works with shift workers and essential services staff can identify those lenders and present your income in the strongest way, usually at no cost to you. This is general information, not advice.
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Often only partly. Many lenders shade variable income such as overtime and allowances, counting a portion to allow for variability. Some lenders count a higher proportion, in some cases up to the full amount, for stable essential services roles. It varies by lender.
Some lenders count more overtime and allowances for stable essential services roles such as nurses, police and emergency services workers, where the extra income is regular and reliable. Whether and how much is counted varies by lender.
Lenders that count it want to see consistency. A steady history of regular overtime and allowances in the same role, shown through payslips and employment history, is what allows a lender to count it favourably.
Last reviewed: June 2026
General information only. This page provides general information about home loans and is not financial or credit advice, a quote, or a guarantee, and your personal circumstances have not been considered. Lending policies, interest rates, fees and eligibility vary by lender and change over time. Always confirm your own situation with a licensed mortgage broker or lender before acting. Ross McFarlane (Credit Representative 526725) is an authorised Credit Representative of Australian Associated Advisers Pty Ltd t/a Keylend, Australian Credit Licence 392169.