Down Payment Calculator

Down Payment Is Just One Cash Need

The down payment is the headline number, but it is not the only cash needed at closing. Closing costs typically run a few percent of the home price (around 2.5% is a reasonable planning figure), covering items like title or registration fees, lender and valuation charges, inspection, prepaid interest, and tax or escrow funding where it applies. On a 400,000 home with 20% down (80,000), closing costs of about 2.5% add another 10,000, for total cash of 90,000 at closing. Many buyers focus only on the down payment and find themselves short the closing costs at the worst possible moment.

Down Payment Tiers and What They Buy

A smaller deposit lowers the barrier to entry but usually carries trade-offs. Below roughly 20%, most lenders require mortgage insurance, an extra charge often a fraction of a percent of the loan each year, that runs until equity reaches about 20%. Around 10% is a common conventional threshold, still with insurance but often at a lower rate. At 20%, mortgage insurance typically drops away and loan terms are usually at their best. Deposits of 30% or more can bring lower rates and a smaller payment. Investment properties commonly require a larger minimum than owner-occupied homes.

The Mortgage-Insurance Trade-off

Putting down 5% on a 400,000 home means finding 20,000 rather than 80,000 upfront, but the larger loan then carries mortgage insurance until equity reaches about 20%. Reaching that level through repayment alone can take many years, and the insurance paid over that time can add up to a meaningful sum. The comparison is between committing more cash now and keeping it available for other uses, such as investing, an emergency fund, or life events, while building equity through normal payments. Which path fits depends on the opportunity cost of that cash for the individual.

Saving Approaches for a Deposit

For short timelines, the common theme is keeping the money stable and accessible. High-yield savings accounts are fully liquid and, in many countries, covered by deposit insurance up to a limit. Money market funds offer similar yields with slightly higher minimums, and short-term government bonds are another low-volatility option. Investing in shares carries higher long-run expected returns but real volatility, which makes it riskier for timelines under about three years, since a downturn just before purchase could erase years of saving. For a deposit on a short horizon, capital preservation is typically weighted over yield.

Worked Example

Target home price 400,000. Down payment 20%: 80,000. Closing costs 2.5%: 10,000. Total cash needed: 90,000. Current savings: 25,000. Gap: 65,000. Monthly savings target 2,000. Months to reach: 33 (2 years 9 months). Bumping monthly savings to 2,500 closes the gap in 26 months. Cutting target down payment to 10% reduces total cash needed to 50,000, closing the gap in 13 months at 2,000/month, with mortgage insurance as the trade-off.

Beyond Closing — First-Year Reserves

Lenders increasingly expect buyers to show a few months of mortgage payments in reserve after closing. On a 2,500 monthly mortgage, that is roughly 5,000-15,000 more. A new homeowner also faces moving costs (often 2,000-5,000), immediate repairs and improvements (3,000-15,000), and furnishing for any new spaces (5,000-20,000). Total move-in cash needs often run 15-25% of the home price, well beyond the down payment alone.

Down Payment Assistance Programs

Many regions offer help for first-time buyers: grants, forgivable loans, matched-savings schemes, government-backed loans with low or zero deposit requirements, tax-advantaged first-home savings accounts, or first-home withdrawals from a retirement account where the rules permit. Programs differ widely by country and even by city, and each carries its own eligibility rules and possible long-term costs, such as mortgage insurance or forgiveness clauses. Availability varies by region, and local schemes can change how much must come from personal savings alone.