Mumbai, May 8: Home prices have touched record high levels but a faster rise in disposable income has made house purchasing the most affordable ever, housing loan major HDFC has said in a report. According to latest data compiled by HDFC, the average property value of housing units have risen to an all-time high of over Rs.50 lakh this year, while the annual income of an average homebuyer has also grown to record levels of over Rs.12 lakh. IANS