 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.As a speaker, theatre host and expert panelist, Walker has appeared at property shows and exhibitions around the UK, including BBC Good Homes, Invest in Property, RETV Live, Homes Overseas, The Home & Garden Show, Viva Italia and Landlord & Buy to Let Show.