Brighton is the UK city where residents have the highest amount of disposable income, meaning they have more spare cash to splash. According to data from This is Money , people living in Brighton have an average of £1,315 spare cash per month - more than any other city in the UK. This is a whopping 30 per cent higher than those residing in London who have an average disposable income of £1,013. Known for its vibrant coastal lifestyle, Brighton's high disposable income levels further highlight