“…Providing a good opportunity for investment returns (Construction, 2008), (Chan et al, 2009), (M. Azizi & Sakina, 2010), (Gündoğan, 2012), (Azis et al, 2013), (Ng, 2013), (Darko, Zhang, et al, 2017), (Yang et al, 2017), 11 Increasing occupant productivity (Construction, 2008), (Chan et al, 2009), (Ng, 2013), (Darko, Zhang, et al, 2017), 12 Increasing occupancy rate (Construction, 2008), (Darko, Zhang, et al, 2017) 13 Increasing rental and sale value (Construction, 2008), (Chan et al, 2009), (Azis et al, 2013), (Ng, 2013), (Usman & Gidado, 2015) 14 Providing lower annual energy cost (Construction, 2008), (Lam et al, 2010), (Gündoğan, 2012), (Waidyasekara & Fernando, 2013), (Ng, 2013), (Windapo, 2014), (Rustom, 2014), (D. Nduka & Ogunsanmi, 2015), (Aste et al, 2016), (Shen et al, 2016), (Shazmin et al, 2016), (Deutsche, 2016), (Darko, Zhang, et al, 2017), (Azar & Al Ansari, 2017) …”