The building of about 2,712 sqm on 24 floors and 76 meters high aims to achieve exemplary environmental quality with a strong emphasis on urban integration, energy performance, and user comfort. Designing a new tower in Abuja Central Business District at The time involves solving several issues from a wide variety of fields: functional issues (creating a flexible place and an efficient building) – technical and constructive issues (a complex site with many constraints) – the quality of living conditions in a high-rise building – urban issues (with the evolution of a business district to a more urban living model) and also symbolic issues (the headquarters of a major Government Agency. A volume sculpted by the constraints of the site. The project evolved out of a contextual study reconciling the morphology of the block, urban regulations, and the building mass’s exposure to solar gain.