There are too many variables to answer your question. Where are you getting the rent figures from? Can you afford the 400 gap, do you really want to be a landlord and all that entails. There are many many boom time landlords that hate being landlords. Rents are going to drop this year (my personal opinion) while costs are increasing, we are not allowed to discuss house prices so won't go there, asking prices are nothing to do with selling prices, a lot of sellers don't get the reality of the market.