This　paper　shares　an　evolving　experience　learned　for　modelling　the　thermal　dynamics　of　buildings　from　live　experiments　run　in　Flexhousel　at　Riso　Campus　of　Technical　University　of　Denmark　(DTU).　Among　different　trials,　circuit　based　grey-box　models　approach　have　been　developed　and　improved　from　time　to　time.　Although　the　intension　of　modelling　the　thermal　dynamics　of　Flexhousel　remains　unchanged,　the　details　of　experiments　and　applied　modelling　approach　do　evolve　over　time　due　to　the　increase　of　knowledge　and　the　improvement　made　to　the　experimental　platform.　In　addition　to　presenting　a　summary　of　these　details,　additional　suggestions　on　future　improvements　are　discussed　and　preliminarily　investigated.　(C)　2017　The　Authors.　Published　by　Elsevier　Ltd.