The median income in the UK is currently sitting at £2,627 / week or £31,524 / year [1]. This is advertising more than double that at £64,189, not quite graduate wages!
[1] https://www.ons.gov.uk/employmentandlabourmarket/peopleinwor...
EDIT: £2,627 / month, not week!
2.67 * 52 = 138.84
Not sure how you got 31,524