The role stakeholders play is fundamental to the realisation of sustainable development. Consequentially, there is a need for the major stakeholders to be fully aware of their respective roles. Thus, this paper focused on assessing the stakeholders’ roles in sustainable housing projects in Lagos State, Nigeria. A structured questionnaire survey was used to collect data from 259 stakeholders involved in sustainable housing projects in Lagos State, Nigeria. A total of 203 responses were obtained, representing a 78% response rate. Primary data regarding the extent of stakeholders’ awareness of their roles in sustainable housing were collected. The data collected were analysed using mean ranking analysis and analysis of variance (ANOVA). The data collected were used to determine the extent of awareness of the stakeholders’ role in sustainable housing projects in Lagos State, Nigeria. The results showed that all the stakeholders were aware of their respective roles in the delivery of sustainable housing projects and were highly conscious of them. Although their extent of awareness was at varying levels, there was no statistically significant difference of opinions amongst the different categories of stakeholders in the delivery of sustainable housing projects. The study concluded that Government and Project Managers have key roles to play as major stakeholders in the delivery of sustainable housing projects. The knowledge of the awareness of stakeholders’ roles in the delivery of sustainable housing projects provides invaluable information to stakeholders regarding the important roles to focus attention on in achieving sustainable housing projects. The study provides a veritable basis for understanding and aligning stakeholder roles in sustainable housing project delivery.