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The quest to implement innovative practices that will lead to a high level of sustainability at the firm level within the construction sector cannot be overemphasised. The aim of this study is to establish the empirical relationship between organisational innovativeness and sustainability of construction firms using a structural equation modelling approach. The study has adopted a survey approach and 1179 copies of structured questionnaire have been administered to construction firm representatives. A total of valid 980 copies of questionnaire have been received giving a response rate of 83.2 %. Data collected have been analysed using descriptive statistics and structural equation modelling. The correlation coefficient (β = 0.81) shows that organisational innovativeness positively influences the sustainability of construction firms. The study reveals that 66.1 % of the variability in the overall sustainability of construction firms operating in the Niger Delta region of Nigeria is accounted for by the implementation of innovative practices by the construction firms. It is concluded that 67.1 %, 83.8 % and 45.7 % of the variability in the construction firm’s social, environmental and economic sustainability, respectively, are explained by the implementation level of innovative practices by the top management teams of the firms. In line with the findings, this study concludes that efficient implementation of innovative practices at the firm level has a significant and positive influence on the overall sustainability of construction firms.

Higher education institutions face immediate pressure to preserve existing building facilities within the campuses and enhance the capacity of their higher education system to address growing demands of an increasing influx of students and academic activities. There is no doubt that dilapidated and unhealthy buildings in a decaying environment depresses the quality of life and contributes in some measure to antisocial behaviours. The buildings of higher education institutions in Nigeria only receive top management attention when there is a problem. Hence, the paper assessed the building maintenance management practices of 6 higher institutions available (2 universities, 2 polytechnics and 2 colleges of education) in Niger State. This was done by interviewing the Directors of Works of the 6 institutions using a structured interview method. The study revealed that there was no maintenance manual in any of the Works Department of the higher education institution, no user satisfaction survey has ever been conducted and none of the institutions had a computerised maintenance management system (CMMS) in place. In addition to these, corrective maintenance was mostly adopted and there was inadequate staffing of the field operatives. All these shortcomings might be responsible for the backlog of maintenance work experienced in the institutions studied. A proactive maintenance system should be put in place, CMMS should be adopted to enhance effective maintenance work, and top management should be enlightened on the imperative of maintenance among other issues competing for funds within the institutions and be more flexible in allocation of resources to enhance maintenance works.