By Chris Dorrell Taylor Swift’s Eras Tour is predicted to provide a near £1bn boost to the UK economy as fans splash out on events across the country. According to the Barclays Swiftonomics Report, Swifties attending a show are likely to spend an average of £848 in total, more than 12 times the typical cost of a night out. The 1.2m Swift devotees attending concerts spent an average of £206 on a ticket for the Eras Tour. On top of that fans are expected to spend £121 on accommodation and as much as £111 on travel. Almost a fifth of fans expect to buy a new outfit for the concert too. Eight per …