By Saskia Koopman Festive spending in London’s West End is expected to reach £1.7bn, with international tourists set to push sales up by 3.2 per cent in the run up to Christmas. Consumer spending is set to grow by 1.6 per cent in the period, while tourists are set to spend 5.8 per cent more than last year, according to a report by the New West End company. Tourists are set to flock from the Gulf, China and the US, with flight bookings to London during the festive season up by 11 per cent, the report said. “International visitors have been fundamental to the district’a recent performance, but m…