Buying a home is a huge financial step for many people, and mortgages are a common way to make this dream a reality. Basically, a mortgage is a special loan designed specifically for buying property, like a house.
Borrowers need to meet eligibility criteria for mortgages, including a good credit score and stable income. They must provide documents like bank statements, pay slips, birth certificates, and KYC documents to prove creditworthiness. Additionally, loan eligibility is influenced by age, with younger borrowers having more time to repay the loan, making them more eligible.
The most common types are fixed rate and Adjustable-rate mortgages.
Fixed-rate mortgages: These maintain a stable interest rate throughout the loan term, providing predictability and stability in monthly payments.
Adjustable-rate mortgages (ARMs): These have fluctuating interest rates, leading to lower initial payments, but also the risk of them increasing later.
Here are key calculations:
1. Mortgage Payment Calculation
Monthly payment is determined by the formula M = P[r(1+r) ^n] / [(1+r) ^n – 1].
Where:
M = Monthly payment
P = Principal loan amount
r = Monthly interest rate (annual rate divided by 12)
n = Total number of payments (loan term in month
Imagine you want a N20 million house and the bank proposes a 70% loan (N14 million) at a 5% interest rate over 30 years. With this, your estimated monthly payment would be about N75,530. It is a good gauge to see if this expense aligns with your budget before committing to the purchase
Lenders use the Debt-to-income ratio (DTI) to gauge mortgage eligibility. It is used to measure if you can manage additional debt. The formula is:
DTI = (Total Monthly Debt Payments / Monthly Gross Income) x 100
Using the example above, assuming your monthly debt payment is N200,000, your DTI is calculated at 28.57%.
Secondly, assess your affordability for the house. Since you want to buy a house worth N20,000,000 and the bank is willing to loan 70% of the house value, you will need to pay the remaining 30% as down payment (N6,000,000).
Considering your DTI is at 28.57%, it is crucial to prevent a substantial increase due to your mortgage payment. Calculating a new DTI with the mortgage payment included shows it would be approximately 39%.
A DTI below 36% is ideal for managing a mortgage. DTIs between 36% and 43% may raise concern, while those above 43% indicate significant debt burden, raising red flags.
Understanding mortgages and their calculations is crucial for informed home buying decisions. Whether you’re a first-time buyer or considering refinancing, knowing these concepts empowers you to navigate the mortgage process wisely, securing your financial future as a homeowner.