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How to calculate down payment mortgage when buying a house

2025-11-03 20:13:27 Real Estate

How to calculate down payment mortgage when buying a house

Recently, the down payment and mortgage calculation for buying a house have become hot topics, especially in the context of real estate market policy adjustments and interest rate changes. Many home buyers are full of questions about this. This article will combine the hot content on the Internet in the past 10 days to provide you with a detailed analysis of the calculation methods of down payment and mortgage for buying a house, and provide structured data for reference.

1. Calculation method of down payment

How to calculate down payment mortgage when buying a house

The down payment is the amount a home buyer needs to pay out of pocket, usually calculated as a percentage of the total price of the home. Different cities and different home purchase policies have different down payment ratios. The following are common down payment ratios:

House purchase typedown payment ratioApplicable conditions
first suite20%-30%Ordinary residence, no loan record
Second suite30%-50%There is already 1 housing loan outstanding
commercial real estate50%Non-residential properties such as shops and offices

For example, if you purchase a first-time home with a total price of 2 million yuan and the down payment ratio is 30%, the down payment amount will be: 2 million × 30% = 600,000 yuan.

2. Calculation method of mortgage loan

A mortgage loan is a long-term loan that a home buyer applies to a bank. It is usually divided into two repayment methods: equal principal and interest and equal principal. Here is a comparison of the two repayment options:

Repayment methodFeaturesMonthly payment calculation example (loan of RMB 1 million, interest rate 4.1%, 30 years)
Equal principal and interestThe monthly repayment is fixed and the interest decreases every monthAbout 4,831 yuan
Equal amount of principalThe monthly principal repayment is fixed and the interest decreases every month.Approximately 6,194 yuan in the first month and 2,789 yuan in the last month

3. Factors affecting mortgage loans

The mortgage loan calculation is also affected by the following factors:

factorsDescription
loan interest rateThe current LPR (loan market quoted interest rate) directly affects the monthly payment
Loan termThe longer the term, the lower the monthly payment, but the total interest is higher
personal creditGood credit leads to lower interest rates

4. Recent hot spots: Adjustments to down payment ratios and loan interest rates in many places

In the past 10 days, many cities have introduced policies to adjust down payment ratios and loan interest rates to stimulate demand in the property market. For example:

citypolicy adjustment
NanjingDown payment ratio for first home reduced to 20%
suzhouDown payment ratio for second home reduced to 30%
WuhanLoan interest rate lowered to 3.8%

5. Summary

The calculation of down payment and mortgage for buying a house involves many factors, including down payment ratio, loan interest rate, repayment method, etc. Home buyers should reasonably plan their home purchase funds based on their own economic conditions and policy changes. Recently, policy adjustments in many places have reduced down payment ratios and interest rates, providing more convenience for home buyers. It is recommended that home buyers consult a professional or bank before making a decision to ensure that they choose the option that best suits them.

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