Leeson Lane – Office Development

This landmark project for the Office of Public Works (OPW) involved the construction of a modern 7-storey over-basement office building, seamlessly integrated with the careful refurbishment and redevelopment of the historic Spruce House, formerly a dispensary building. The two structures are linked at the rear of Spruce House, forming a cohesive and flexible multi-occupancy government headquarters.

Designed with sustainability and heritage preservation at its core, the development is fully compliant with the European Energy Performance of Buildings Directive and meets nZEB (nearly Zero Energy Building) standards. It incorporates advanced heat pump technology, predominantly renewable energy sources, and adheres to OPW’s Green Procurement Policy—positioning it as a model for energy-efficient design.

This flagship development delivers a highly functional and future-focused workspace while respecting and celebrating the historic character of the site. It stands as a testament to our commitment to quality, sustainability, and thoughtful integration of modern infrastructure within a heritage context.