Complex sentence: Several of these survive (albeit much hemmed in by later buildings), including Rockwall House and Tusculum, the latter of which now serves as the headquarters for the NSW chapter of the Royal Australian Institute of Architects.
Split into simpler sentences: Several of these survive (albeit much hemmed in by later buildings), including'Rockwall House' and'Tusculum'. Tusculum now serves as the headquarters for the NSW chapter of the Royal Australian Institute of Architects.