Quite like the following website called "Hipflat" which in addition to info on property for sale and rent in particular Thai developments, also gives a few basic stats about the development as a whole. Average price per m2, rental yields achievable etc 

Seems to focus mainly on condos

www.hipflat.co.th/en/bangkok/condo/the-star-estate-at-narathiwas


Don't think it's any relation to our hippity, but given he's a budding entrepreneur who knows