Flatmate/Boarder Income Calculator

See how boarder income could increase your borrowing power

Banks may consider boarder/flatmate income when assessing your mortgage application, but typically "shade" it (reduce it) by 20-30% to account for potential vacancies.

Your Income

Primary Income (Annual)

Partner Income (Annual)

Boarder/Flatmate Income

Weekly Rent Per Boarder

Number of Boarders

Bank Assumptions

Bank Shading (%)

Banks typically use 70-80%

Test Rate (%)

Additional Borrowing Power

$37,185

With boarder income included

Without Boarder

$286,035

With Boarder

$323,220

Income Breakdown

Gross Boarder Income (Annual)$13,000

Shaded Amount (80%)$10,400

Monthly Boarder Income$1,083

Monthly (After Shading)$866

Important Notes

• Not all banks accept boarder income
• May need evidence of existing boarder arrangement
• Property must have suitable accommodation
• Income is typically tax-free under $269/week

Disclaimer: This calculator provides estimates only and should not be relied upon for financial decisions. Actual loan terms, rates, and eligibility may vary. Please contact a Mortgage Lab adviser for personalised advice.