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How long should my home loan be?

The longer your repayment term the more interest you pay. Work out how long your mortgage needs to be.

Updated

The longer the term is, the lower your repayments will be over time, but the more interest you'll pay. A few years can make a significant difference in the overall cost of your home loan.

Length of mortgage comparison

Let's compare a 25 and 30 year mortgage.

Loan details25 Years30 Years
Loan amount$300,000$300,000
Interest rate6.70% p.a.6.70% p.a.
Monthly repayment$2,063$1,936
Total interest payable$318,982$396,900
Interest saving$77,918

* based on monthly, principal and interest repayments

In this example, the choice of a 25 year home loan length does cost the borrower an extra $127 per month compared with a 30 year loan, but it also saves the borrower a staggering $78,000 over the life of the loan.

On the other hand, a 30 year loan term has lower repayments, as you now have five additional years to pay off the same loan amount. However, you'll also be paying interest for an additional five years.

Learn more about difference between a 25 and a 30 year home loan term

Generally speaking, home loan terms can include 10, 15, 25, 30 or even 40 year loan terms. 25 and 30 year loan terms are the most common, with 10 and 15 year loan terms generally being confined to interest-only repayments and 40 year loan terms only offered by a small number of lenders.

Choosing to take out a home loan with a 40 year term will have even lower repayments than a 30 year loan term—$1,805.20 on $350,000 loan with a rate of 5.50% compared to $1,987.26 with a 30 year loan term, or $2,149.31 on a 25 year loan term. It’ll also come with a much larger interest bill—$516,496 vs $365,413.60 on a 30 year loan.

Learn more about 40 year home loan terms

Even if you have a longer loan term, you may be able to make additional repayments or make use of repayment strategies which decrease your loan term. Making additional repayments or lump sum payments, or splitting your monthly loan repayment into fortnightly payments can see you pay your loan off in a shorter time period.

Refinancing mistake: refinancing to a lower interest rate and not adjusting your loan length

One mistake to avoid is refinancing to a cheaper interest rate and taking out a new 30 year term. This can erode your refinancing savings, as you can see below.

Original loanRefinance after 5 years
loan term30 years30 years (which means a real overall loan term of 35 years)
loan amount$300,000$281,470
interest rate6.70% p.a.5.70% p.a.
monthly payment$1,936$1,634
total interest payable$396,900$404,266 ($306,645 in interest from the point of refinancing)
interest saving$7,365

* based on monthly, principal and interest repayments

Compare refinance home loans today

Data indicated here is updated regularly
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Loan purpose
Offset account
Loan type
Repayment type
Your filter criteria do not match any product
Name Product Interest Rate (p.a.) Comp Rate^ (p.a.) Application Fee Ongoing Fees Max LVR Monthly Payment Short Description
UBank UHomeLoan Variable Rate - Discount offer for Owner Occupiers, P&I Borrowing over $200,000
2.59%
2.59%
$0
$0 p.a.
80%
Enjoy flexible repayments, a redraw facility and the ability to split your loan. Plus, pay no application or ongoing fees.
loans.com.au Smart Home Loan - (Owner Occupier, P&I)
2.63%
2.65%
$0
$0 p.a.
80%
Get a low variable interest rate and pay 0 application or ongoing fees with this convenient online lender.
HSBC Home Value Loan - Promotional Offer (Owner Occupier P&I)
2.65%
2.66%
$0
$0 p.a.
80%
Get a low interest rate loan with no ongoing fees. Plus you can make extra repayments and free redraw online.
State Custodians Low Rate Home Loan with Offset - LVR up to 60% (Owner Occupier, P&I)
2.49%
2.51%
$0
$0 p.a.
60%
A competitive rate with no application or ongoing fee. This loan is not available for construction.
Suncorp Back to Basics Home Loan - Better Together Special Offer $150k+ LVR<=90% Incl. LMI (Owner Occupier, P&I)
2.78%
2.79%
$0
$0 p.a.
90%
Get one free online redraw per month and pay no ongoing fees. Application fees are waived for loans above $150,000. Eligible refinancers can receive a cashback of $2,000 or more.
Greater Bank Great Rate Discount Variable with Family Pledge Home Loan - Up to 110% LVR
3.11%
3.12%
$0
$0 p.a.
110%
Pay no deposit or LMI and get a discounted rate with this family pledge loan. Requires a family member to act as guarantor. NSW, QLD and ACT only.
Bankwest Complete Home Loan Package Variable - $200k+ LVR <=80% (Owner Occupier, P&I)
2.73%
3.18%
$0
$395 p.a.
80%
A low variable rate loan with a 100% offset account and package discounts.
Homestar Star Essentials Home Loan - $150K to $850K LVR up to 80% (Owner Occupier, P&I)
2.44%
2.47%
$0
$0 p.a.
80%
A low rate variable mortgage with minimal fees and redraw facility. Requires a 20% deposit.
State Custodians Low Rate Home Loan with Offset - LVR up to 80% (Owner Occupier, P&I)
2.65%
2.67%
$0
$0 p.a.
80%
This loan offers a competitive variable rate and a 100% offset account to help save you on interest repayments. This loan is not available for construction.
Hume Bank Fixed Home Loan - 2 Year <70% LVR (Owner Occupier, P&I)
2.29%
4.06%
$600
$0 p.a.
70%
A competitive fixed rate loan for home buyers with a 30% deposit saved.
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Related Posts

Home Loan Offers

Important Information*
Logo for UBank UHomeLoan Variable Rate - Discount offer for Owner Occupiers, P&I Borrowing over $200,000
UBank UHomeLoan Variable Rate - Discount offer for Owner Occupiers, P&I Borrowing over $200,000

Take advantage of a low-fee mortgage with a special interest rate of just 2.59% p.a. and a 2.59% p.a. comparison rate.

Logo for HSBC Home Value Loan - Promotional Offer (Owner Occupier P&I)
HSBC Home Value Loan - Promotional Offer (Owner Occupier P&I)

Get a low interest rate loan with no ongoing fees. Plus you can make extra repayments and free redraw online.

Logo for Suncorp Back to Basics Home Loan - Better Together Special Offer $150k+ LVR<=90% Incl. LMI (Owner Occupier, P&I)
Suncorp Back to Basics Home Loan - Better Together Special Offer $150k+ LVR<=90% Incl. LMI (Owner Occupier, P&I)

Get one free online redraw per month and pay no ongoing fees. Application fees are waived for loans above $150,000. Eligible refinancers can receive a cashback of $2,000 or more.

Logo for loans.com.au Essentials - Variable (Owner Occupier, P&I)
loans.com.au Essentials - Variable (Owner Occupier, P&I)

A competitive interest rate home loan with interest only options. Interest rate 2.79% p.a.
comp rate of 2.81% p.a.

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