Affordability Formula:
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Second home affordability calculates how much you can afford to spend on a second property based on your income, existing debts, and current interest rates. It helps determine your borrowing capacity for an additional property.
The calculator uses the affordability formula:
Where:
Explanation: The equation calculates how much you can afford for a second home payment after accounting for your existing financial obligations.
Details: Calculating second home affordability helps prevent overextension of your finances and ensures you maintain a healthy debt-to-income ratio when purchasing an additional property.
Tips: Enter your monthly income, debt-to-income ratio (typically 0.36-0.43), monthly interest rate (annual rate divided by 12), and your current monthly debt payments. All values must be positive numbers.
Q1: What is a good debt-to-income ratio for a second home?
A: Most lenders prefer a total DTI below 43%, including both primary and second home payments.
Q2: How does interest rate affect affordability?
A: Higher rates decrease affordability as more of your payment goes toward interest rather than principal.
Q3: Should I include rental income from the second home?
A: Only if you can document consistent rental history; lenders typically discount projected rental income.
Q4: What other costs should I consider?
A: Remember to account for property taxes, insurance, maintenance, and potential vacancy periods.
Q5: How conservative should I be with these calculations?
A: It's wise to build in a buffer (10-20%) for unexpected expenses or income fluctuations.