It's probably worth noting that most people in the UK don't have to file at all (if you're on a wage and not in the top tax band, it's all automatic in your pay

It's probably worth noting that most people in the UK don't have to file at all (if you're on a wage and not in the top tax band, it's all automatic in your paycheck), and if you have a dispute/complication you just write a simple letter to the tax office laying out your case.