Quote From pm133:
If you are prepared to stay away from city centres and London, don't have a car, have no dependents or debtand are prepared to flat share, it is absolutely possible to live very comfortably on less than £10k per year.
I lived on £8k during 2014 and I had a car, a 2 bed flat and lived in a city centre. No dependants or debts though. Wouldn't call it comfortable, but I did it.