Jonnie Irwin helps a newly retired couple downsize to a smaller home in rural Oxfordshire, with a budget of £500000. While in Oxfordshire, Jonnie is put through .\rbr\rbrJonnie Irwin helps a newly retired couple downsize to a smaller home in rural Oxfordshire, with a budget of £500000. While in Oxfordshire, Jonnie is put through .\rbr\rbrJonnie Irwin helps a couple who want to leave their family home after almost 30 years. But just how far will their budget of £650000 go in the expensive .\rbr\rbrJonnie Irwin helps a newly retired couple downsize to a smaller home in rural Oxfordshire, with a budget of £500000. While in Oxfordshire, Jonnie is put through .