Young, Self Employed, No Accounts And No Savings. How Did I Get A Mortgage?

I was having considerable problems getting a mortgage to buy my first home about four years ago. If I was to believe everything I had heard, I was the ideal candidate for a mortgage - young, a first-time buyer and with an annual income of about £30k. Easy! No, not easy, actually. Being young with a leaning towards enjoying myself, I had no savings - nothing to use as a deposit. But what about these 100% mortgages I had been hearing about? Surely I qualified? Oh, there was ...