This sort of data is reasonably accessible in the UK, although perhaps not quite to the same degree as your app. Either way, I suspect the value-add is less tha

This sort of data is reasonably accessible in the UK, although perhaps not quite to the same degree as your app. Either way, I suspect the value-add is less than it would be in the US. Rightmove, the primary property app in the UK, gives you the previous price the properties were purchased for, although perhaps not analytics across an area per se.