Abstract
The concept of biophilic design involves the integration of natural components into the architectural and interior design of places, and is widely seen as an extension of sustainable practices. Abuja is often characterised as a city experiencing rapid economic growth, resulting in the emergence of many corporate activity and emphasising the need for a sustainable working environment. The purpose of this research is to evaluate the use of biophilic architecture in the design of office buildings located in Abuja, Nigeria. For this research, the mixed method was adopted. The quantitative aspect of the research focused on the occupants of the space, using the questionnaire survey approach to determine the extent to which the users perceive the concept of Biophilia. It also explores interplay of physical elements and their stress impact on the users present in the spaces using an air detecting device known as air node (instrument survey). The qualitative aspect of the research focuses on the office buildings using the case study approach to assess the level of adoption of biophilic design attributes using an observation guide. Findings from the study revealed that the distribution of respondents based on the nature of the current office space: 39.1% use Hive Office Space (open plan), and 24.1% use cumulative office space. The study revealed that causes of stress such as: an unconducive physical work environment, pressure from senior staff, family-related issues, an unconducive social environment, and workload were identified as significant causes of stress. Therefore, the main findings reveals that the majority (62.6%) of the respondents were stressed in their workplaces. This implies that biophilic architecture was not effective in the office buildings. The study recommends that there should be an institutional framework that makes it mandatory for the stakeholders such as designers, clients and building approving authorities, to use biophilic architecture strategies in office building design.

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