The Financial Services Authority is looking to force banks to check borrowers’ income before they offer mortgages after it discovered that almost half of the home loans provided between 2007 and the start of this year did not require proof of earnings. Matthew Vincent, personal finance editor, talks to Daniel Garrahan about why the so-called "liar loans" were allowed to continue for so long and what the move means for honest self employed people seeking to get on the property ladder.