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New Zealand Mortgage Calculator - How Much Can I Borrow NZ 2025

Calculate your New Zealand mortgage payments, compare loan options, and determine what you can afford in New Zealand

Loan Details
Enter your mortgage information to get accurate calculations

$300,000

20.0% of home price ($60,000)

Additional Costs
Monthly expenses beyond mortgage

$3,000

$1,200

Required if down payment < 20% ($0)

$0

Extra Payments
Pay off your mortgage faster

Monthly Payment

$1,517

Principal & Interest

Total Monthly

$1,867

Including all costs

Total Interest

$306,107

Over life of loan

Total Cost

$546,107

Principal + Interest

Payment Breakdown

Total Cost

$546,107
Over 30 years

Principal

$240,000
43.9% of total

Interest

$306,107
56.1% of total

Payment Breakdown

Principal43.9%
$240,000
Interest56.1%
$306,107
Interest vs Principal Ratio
You'll pay 56% in interest
That's $66,107 more than the original loan amount
Amortization Schedule
See how your loan balance decreases over time
YearPaymentPrincipalInterestBalance
1$1,517$217$1,300$239,783
1$1,517$230$1,287$237,317
2$1,517$246$1,271$234,455
3$1,517$262$1,255$231,401
4$1,517$280$1,237$228,143
5$1,517$298$1,219$224,666
6$1,517$318$1,199$220,957
7$1,517$340$1,177$216,999
8$1,517$362$1,155$212,776
9$1,517$387$1,130$208,270
10$1,517$413$1,104$203,463
11$1,517$440$1,077$198,333
12$1,517$470$1,047$192,860
13$1,517$501$1,016$187,021
14$1,517$535$982$180,790
15$1,517$571$946$174,142
16$1,517$609$908$167,049
17$1,517$650$867$159,481
18$1,517$693$824$151,405
19$1,517$740$777$142,790
20$1,517$789$728$133,597
21$1,517$842$675$123,788
22$1,517$898$619$113,323
23$1,517$958$559$102,156
24$1,517$1,023$494$90,242
25$1,517$1,091$426$77,530
26$1,517$1,164$353$63,967
27$1,517$1,242$275$49,495
28$1,517$1,325$192$34,054
29$1,517$1,414$103$17,579
30$1,517$1,509$8$0

New-zealand Mortgage Calculator Guide

Our comprehensive New Zealand mortgage calculator is designed specifically for the New Zealand housing market. Whether you're buying your first home in Auckland, Wellington, Christchurch, or anywhere across New Zealand, our calculator accounts for New Zealand-specific factors like KiwiSaver first home withdrawal, stamp duty, and local rates.

New Zealand Mortgage Features

KiwiSaver First Home:Calculate KiwiSaver first home withdrawal and government grants.
Welcome Home Loan:Calculate Welcome Home Loan scheme for first-time buyers.
Fixed & Floating Rates:Support for fixed and floating rate mortgages up to 30 years.
Rates Calculator:Automatic local rates calculations by council area.
LMI Calculator:Calculate Lender's Mortgage Insurance for deposits under 20%.
Insurance Premiums:Calculate home and contents insurance premiums.

New-zealand Mortgage Market Overview

The New Zealand mortgage market offers various loan types including fixed-rate, floating-rate, and revolving credit mortgages. Current mortgage rates vary by lender, credit score, and loan type, typically ranging from 6-8% for floating rates and 7-9% for fixed rates. Our calculator helps you understand the true cost of homeownership including local rates, insurance, and LMI to make informed decisions about your home purchase across New Zealand.