Cairn Homes plc is an Irish residential property developer and homebuilder, incorporated in 2014. The company's business model centers on acquiring land, securing planning permissions, and managing the design, construction, and sale of residential communities. Cairn primarily operates in the Greater Dublin Area, though it has expanded its geographic footprint to other major Irish urban centers such as Cork and Galway. The company generates the vast majority of its revenue from residential property sales, which include houses, duplexes, and apartments sold to first-time buyers, private purchasers, and state partners. A smaller portion of revenue is derived from the occasional sale of development sites. In 2024, the company generated approximately €860 million in revenue, with residential property sales accounting for nearly all of its core operations. Cairn Homes operates at a significant scale within the Irish market, delivering thousands of units annually. The company also focuses on energy efficiency, increasingly building to Passive House standards to reduce energy demand in its developments. The company utilizes a centralized procurement strategy and multi-site tender awards to manage operating margins in a market characterized by structural housing supply shortages.