large 5 bedroom in kent for 5 bedroom in cornwall

i have a very large 5 double bedrooms house in kent newly decorated fitted large kitchen, 33ft long lounge/dinner,very large living room but we use as a 6th bedroom newly decorated, walk in airing cubord/boiler room, walkin wet room with new shower toilet and sink fitted, newly fitted laundry room capable of 1 washer 2 dryers ,sepreate freezer room, double garges , up stairs a newly decorated bathroom with overhead shower, a balcony room leading out to the balcony currently used as a dogs room ,3 very large double bedrooms single bedroom with unsuite,and a single bedroom,gas central heating, garden downstairs and upstairs balcony,walking distance to shops train station (45 mins by train to london,) hospitals along with schools ,am looking for a large 3 , 4 or 5 bedroom exchange to cornwall as i need to be closer to family due to health problems i have someone in south london that is intrested in my house that has a 3 bedroom maybe a 3 way swap
contact me if intrested