“…Earlier research works mostly focused on early design stages of buildings rather than the maintenance and conservation phases. Previous research mainly dealt with regeneration of building envelope (Khorassani et al, 2018), technological developments (Aghili et al, 2019), digital applications (McGibbon et al, 2018;Smith and Quintero, 2018), life cycle performance criteria (Liu and Qian, 2019), Life-Cycle Costing (LCC) (Zheng et al, 2019) and heritage and environment reconceptualisation (Richards et al, 2019). It raised questions over the lack of investigation into sustainable maintenance management through low carbon repair options in heritage building repair.…”