That is the steepest average rise of the last 10 years.
The average rise has been kept down to 5.6% thanks to an additional £136m of government funding.
This is against a national average rise of 9pc.
So far consumers have seen an average rise of about 10 percent in restaurant and supermarket prices, the department reported.
The average rise during the recovery has been 120 percent.
An average rise of about 39 inches, they say, could place 70 million people at risk.
The average rise was £55 per month, but some borrowers were hit hard.
He said that compares with an average rise of about 30 percent for all businesses across the country.
That is far less than the average rise in home prices.
The average rise is 12 to 15 percent, but it varies by city.