Heya
Scotia Grendel do a good range of modular buildings part of their kryomek battlefield architecture range, the pictures on their website a pretty poor but here's a link to the one's I've converted for 28mm... it's been raised on 5mm foamboard and the doors covered over.
http://scotiagrendel.forumcircle.com/vi ... .php?t=211They are multi-cast resin with white metal attachments and a certain degree of swapability if you use magnets, pins or just no glue
