College Green Apartments launch follows H+M's 2014 opening.
The extension created a spacious kitchen/living area that enjoys its southerly aspect.
Donnelly Turpin, in collaboration with 3D Reid Architects, were among the competition shortlist for the Leisure/Visitor Centre at Girvan in Ayrshire, Scotland.
Rathmines Square is one of just four projects to receive the AAI Special Award - the highest accolade this year.
Photo: Award presentation by Ruairi Quinn, Minister for Education.