The interest.co.nz home loan affordability index for April 2016:
Based on our standard household profile, it now takes 38.1% of the median take-home pay to service a mortgage of a median priced home purchased in April. Median-priced housing is affordable for families in New Zealand, when both adults work.
This is down from 38.6% in the previous month, March. A year ago, it was 40.5% - five years ago it was 35.6%.
Household income is a key criteria for lending institutions. We have established a set of standardised household profiles, and these can be used to check affordability.
The profile we use for a standard buyer household is one adult male working full-time, one adult female working 50%, and one child aged 5 years.
The standard buyer household index is calculated assuming that the house buyer has already has a 20% deposit. Based on current income and house prices it will take an individual 6.2 years to save the 20% deposit as now required by most banks.
Key drivers of home loan affordability:
The median house price was $490,000 in April, down from $495,000 last month. The median house price was $455,000 in April 2015 which puts annual growth at 7.7%. Five years ago the median was $360,000.
Dwelling sales in April were 8,568, down from March’s 9,527. They are now higher than the 7,234 sales twelve months ago and higher than the 4,987 sales five years ago.
Interest rates and mortgage payments
The average bank interest rate for two-year fixed mortgage rate was 4.45% for April, -112 basis points less than the 5.58% twelve months earlier
During March, markets started to anticipate a rate cut by the RBNZ, (one that was actually delivered in March). Wholesale rates started feeling in that anticipation, helped by some turmoil in international markets. Further rate cuts remain a possibility even though rate levels are at historical lows.
Our model assumes borrowers switched to a 2 year fixed rate in June 2014, following the shift reflected in RBNZ data. (See note below).
Single income affordability
It now takes 58.2% of the after-tax median income of a typical working person to pay the mortgage on a median priced house purchased in April, down from March’s 59.1 %. A typical person is assumed to be in the 30-34 age group.
This index was 61.9% a year ago and 54.1% five years ago. The affordability index reached its highest point of 83.4% in March 2008.
Essentially the median income for the typical buyers on a single income is not high enough to buy a median priced house, even with a 20% deposit. However, they may find the lower-quartile priced house is affordable (check our first-home buyer series).
The median weekly take-home pay for a typical buyer was $859.27 in April, up 2.5% from the $838.63 in April 2015.
Five years ago, median weekly take-home pay was $773.45.
Disposable Income (wages minus mortgage payment)
Weekly disposable income was $359.33 in April, which is $39.87 higher than the $319.46 in April 2015 (and compares with $350.71 one month earlier). This measure shows that the typical working buyer income is just too low by itself to afford the mortgage payments on the median priced home.
Refer to our Median Multiple reports for a reconciliation of this report to the internationally comparable benchmarks, by city.
Details of our household profiles, the data sources, and the methods used, are set out in the Notes section of this report, below.
Full regional reports are available below:
Note to Editors:
This work must be referred to as The AMP 360 Home Loan Affordability series. There are two related components – the Standard home loan affordability series, and the First-home-buyer home loan affordability series. They have both been produced by www.interest.co.nz. Please direct queries via email to firstname.lastname@example.org, or see our contact information below.
Sources / Definitions / Methodology
*a typical buyer: An individual in the 30-34 year old age group who buys the median house price with 20% deposit.
Interpreting the Index:
The home loan affordability index measures the proportion a weekly mortgage payment is of weekly take-home pay (for a median priced house). An index measure is generated for each region, and nationally. We calculate, but do not publish, this index using other various mortgage interest rate terms.
Interpreting the Household Income Models:
A mortgage is ‘affordable’ when the mortgage payment is no greater than 40% of household weekly take-home pay. The value of the mortgage is based on the rules below (see Home Loan).
From the August 2007 Report onward, the source on which we base our estimates of weekly income, is now the LEEDS (Linked employer-employee data survey) data from Statistics New Zealand.
The standard home loan affordability report is based on the LEEDS data for the 30-34 age group.
Income tax rates from IRD are used to calculate a take-home pay (which is the LEEDS-based data net of the specific income tax rate).
Home Loan: (Median house price less a 20% deposit)
Mortgage repayments are based on the value of the home loan, paid weekly for 25 years, using the 2 year bank average interest rate. The home loan is assumed to be a standard table mortgage, where both interest and principal is repaid in a fixed weekly payment made in arrears. The repayment is calculated using the tools at http://www.interest.co.nz/calculators/mortgage-calculator
Average mortgage interest rates are sourced from www.interest.co.nz. These averages are for banks only as banks have 90%+ of the mortgage market. Affordability calculations are done for mortgages at the floating rate and one year through to the five fixed-rate terms. In this report, the two-year fixed mortgage interest rate is used. Until August 2010 this series used a 2 year fixed rate loan as the basis for interest rates. In September 2010 it was switched to the floating rate, reflecting actual market shifts by borrowers. In June 2014, it was switched back to the 2 year fixed rates, again reflecting market shifts.
House price data:
Median house prices are as reported by the Real Estate Institute of New Zealand. Although the REINZ series is more volatile than the QV equivalent, there is a highly positive correlation between the two series. The REINZ series is more current and offers an earlier indication of market trends.
Average savings interest rates are sourced from www.interest.co.nz. These averages are for banks only, and use the 90 day term deposit rate. Saving calculations take into account the individuals marginal tax rates as defined by IRD.
Household affordability is calculated in the same way as individual affordability except instead of individual income, household income is used. The household income for a standard-buyer household is made from 1 full time male median income, 50% of a female median income, both in the 30-34 age range, plus the Working For Families income support they are entitled to receive under that program. This standardised household is assumed to have one 5 year old child.
IMPORTANT – PLEASE READ
No reader should rely on the contents of this report for making a specific investment or purchase decision. The information in this report is supplied strictly on the basis that only overall market trends are being reported on, and that all data, conclusions and opinions expressed are provisional and subject to revision.
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