Interest-only Mortgage vs. Repayment Mortgage

Lower Mortgage Payments for First-Time Buyers

© Asa Ghaffar

Dec 21, 2008
Repayment Mortgage, Worms Pictures
An interest-only mortgage can help a first time buyer lower mortgage payments, but what about the repayment vehicle? Is a repayment mortgage preferable?

An interest-only mortgage is a great way of ensuring lower mortgage payments. It is hard for a first-time buyer to save up enough for a house deposit and get on the property ladder so keeping monthly costs down is a priority, especially for those who are just starting a professional career.

What is an Interest-only Mortgage?

A borrower agrees to make a series of lower mortgage payments for a defined mortgage term, but only repays the interest and not the original capital borrowed. They are responsible for setting up a separate repayment vehicle, such as an ISA, to repay the capital at the end of the mortgage term.

Advantages of Interest-Only Mortgages

  • Lower mortgage payments. Not paying off the capital over the mortgage term means that lower mortgage payments are possible.
  • Better than renting. First-time buyers are able to benefit from long term capital appreciation as renting is dead money.
  • Able to change to a repayment mortgage later. A first-time buyer trying to get on the property ladder may struggle with high monthly repayments, but this may change following career progression. Many borrowers switch to a repayment mortgage when finances allow.
  • Known future inheritance. It may be that someone will be receiving money from inheritance later in life which can be used to clear the capital in full
  • Investment property. Those with buy-to-let properties regularly opt for an interest-only mortgage rather than a repayment mortgage because they have bought solely for capital appreciation.

Disadvantages of Interest-only Mortgages

  • Capital repayment. A repayment mortgage does make life harder in the short term, but the house is theirs at the end of the mortgage term.
  • Need to set up a separate repayment vehicle. Setting up a repayment vehicle in the form of a lump sum pension payment or ISA is necessary. This may not cover the amount originally borrowed so a repayment mortgage may be preferred by the more cautious borrower.
  • Fewer lenders offer interest-only mortgages. Lenders are far more restrictive when lending on an interest-only basis. Many cap the LTV at 75% or wish to see evidence that a repayment vehicle is in place.
  • Negative equity. In a falling property market, it is vastly more likely that those with interest-only mortgages will experience negative equity.

Interest-only mortgages are a useful way of ensuring lower monthly repayments for first-time buyers or during financial difficulties. It is possible to change to a repayment mortgage when future circumstances allow.

Those who found this article useful may also wish to read about Fixed Rate Mortgages - Pros and Cons and Standard Variable Rate Mortgages - Pros and Cons.


The copyright of the article Interest-only Mortgage vs. Repayment Mortgage in Home Mortgages is owned by Asa Ghaffar. Permission to republish Interest-only Mortgage vs. Repayment Mortgage in print or online must be granted by the author in writing.


First Time Buyers, msinkler
Interest-Only Mortgage, bloomer45
Repayment Mortgage, Worms Pictures
Lower Mortgage Payments, Worms Pictures
Saving For a House Deposit, jibrilhannah


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