The proportion of disposable household income required to cover the average mortgage repayment is at 27.6% so far in 2022, new research has revealed, its highest level in a decade.

Estate agent comparison site, GetAgent, analysed the average annual cost of a mortgage repayment based on a three-year fixed mortgage at a 75% LTV and what this equates to as a percentage of the average households annual disposable income.

The research indicated that while increasing interest rates have started to drive up the average mortgage rate available, the current rate of 1.93% remains considerably lower than the 3.92% average seen in 2021. At the same time, the average level of disposable household income has also increased from £43,175 in 2012, to £38,108 today.

Despite this, however, the percentage of household income required to cover mortgage costs has climbed considerably, driven by a 65% increase in the average house price over the last 10 years.

In 2012, a three-year fixed rate mortgage at 75% LTV and the average rate at the time of 3.92% would have seen homebuyers repaying £7,940 per year. With the average household income coming in at £34,175, this meant that 23.2% was required to cover the annual cost of their mortgage.

In 2021, however, the average mortgage rate for a three-year fixed product was at a decade low at 1.55%. With house prices hitting £259,1871, the average homebuyer was repaying £9,384 per year on their mortgage, and while the average household income had also increased to £37,622, this mortgage repayment cost required 24.9% of the average households disposable income – the highest level seen since 2012.

So far in 2022, the average house price increased to £277,539, although several base rate increases from the Bank of England have also pushed up the average mortgage rate on a three-year fixed product to 1.93%.

“We’ve now seen a number of interest rate hikes in quick succession and this will understandably come as a worry to the nation’s homebuyers, who will be facing higher mortgage costs as a result,” GetAgent co-founder and CEO, Colby Short, commented.

“However, this isn’t the driving factor behind a lack of housing market affordability and, in fact, the cost of borrowing remains low when compared to the rates seen a decade ago. At the same time, the average household is benefitting from a greater level of disposable income, but despite this, a larger proportion is required to cover the cost of a mortgage.

“This increase is being driven by house price inflation, with the average buyer paying almost £109,000 more than they were 10 years ago.

“Unfortunately for those struggling to climb the ladder, there’s currently no end in sight where the pandemic house price boom is concerned and it’s only likely that mortgage rates will continue to climb for the foreseeable future.”

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