There is a lot of excitement surrounding the completion of Crossrail in 2018/2019, not just because we will no longer be packed like sardines on the Central Line but because it will have a huge effect on the supply and demand of office space in London. As tenant representation agents we see every day how the lack of supply and high rents are having a detrimental effect on businesses; they simply cannot pay the rents being asked so are being forced out of London, extending leases or taking short term space.