The Homeland star moved into Laurie's old family property in Islington, but was subsequently offered the lead in U.S. show Life.
Lewis was unsure about taking up the offer, so he turned to his fellow Brit - who moved to America when he landed his role in House - for tips on how to handle a big upheaval.
He tells the Mr Porter website, ""You've got to be English on a popular show and then you get to sell each other property...
""I'd never met him, I just asked his advice because he was doing so well in L.A. with House. And he said, 'It's lovely working out here, you should take the job and good luck'.""