You are right *rosequartz", the National Housing Federation reported last year that "the income needed to afford a typical 80 percent mortgage on an average London home was £108,500 – way above the average yearly wage of just £33,000." I believe that in less "fashionable" areas, the income needed is still in excess of £60,000.
You are talking, though, as if some of us are suggesting that people shouldn't be allowed to inherit anything. They could, up until recently, inherit up to £650,000 without becoming liable for IT. I think that was pretty generous. Now the Conservatives propose increasing it to £1 million - plus 60% of any amount above that threshold. The majority of people will inherit either nothing or less than £10,000, and as the Office for National Statistics stated, those inheriting substantial amounts are likely to already be wealthy in their own right.