 In the summer of 2003, Walker auditioned for the BBC and was chosen to be the property stylist for 10 one-hour specials of the already successful "To Buy or Not to Buy".She was then invited to co-present the second series with Kristian Digby and in 2007 finished filming the sixth series, co-presenting with Simon Rimmer.She has also presented "Trading Up", featured on Colin McAllister and Justin Ryan's "20 Quickest Ways..." on Five, co-presented "The Property Market" in Bulgaria for the Overseas Property Channel, and appeared a number of times on "BBC Breakfast" and BBC Radio 5 Live in her role as a property expert.