Ecohouse Building Systems Limited is an Irish company based in Rathcoole, on the western edge of Dublin, registered in October 2022. It operates as a small enterprise focused on “other construction installation” with a principal activity in the use of contemporary building systems for energy-efficient structures. The registered address is Unit 9a, Block 513, Grants Rise, Greenogue Business Park, Rathcoole, Dublin.
The company specializes in the design and construction of low-energy and passive homes using advanced methods such as structural insulated panels (SIPs) and glulam timber frame systems. Ecohouse Building Systems delivers both turnkey passive houses and structural shells, adapting to client needs for new builds, extensions, and modular structures such as garden rooms. Their standard build integrates features like passive slab foundations, air-to-water heat pumps, underfloor heating, and heat recovery ventilation systems, aiming for high energy efficiency.
Ecohouse Building Systems has presented its work through a showhouse at Horkans Garden Centre in Glen of the Downs, Bray, County Wicklow, which illustrates their approach to energy-efficient residential architecture. The company’s portfolio is diverse, ranging from family homes to extensions and smaller prefab structures. Their team consists of architects, engineers, and builders working collaboratively to ensure sustainable and durable construction. The company's strategy prioritizes fixed-price turnkey solutions, transparency in costs, and minimization of hidden extras. As of the last available filings in 2025, the company remains operational with no reported overdue accounts.
