Ireland’s First 3D Printed Homes Underway in Dundalk

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Ireland is building its first 3D printed homes in Dundalk. Harcourt Technologies utilizes a custom 3D printer(COBOD) to construct affordable homes.

Harcourt Technologies (HTL) has begun building Ireland’s first 3D-printed homes in Dundalk.

Three social housing units will be 3D printed at Grange Close using COBOD technology. This machine uses a gantry-mounted system to extrude concrete from a digital blueprint. It eliminates the need for traditional blocks. The local authority provided the land for this initiative.

HTL’s CEO, Justin Kinsella, explained: “It’s like building a concrete block wall, but the machine lays 50mm layers instead of manual placement.”

HTL reports that this method triples construction speed compared to traditional approaches. We expect to finish the homes by October. With a one-third labor cut and a tripled pace, Kinsella highlighted a 25-30% speedup.

Ireland's First 3D Printed Homes Underway in Dundalk (2)
Ireland's First 3D Printed Homes Underway in Dundalk (2)

Currently, the printer lays one 50mm concrete layer in 18 minutes, with aims to reduce this to 12 minutes. Kinsella says this method’s initial costs are about the same as traditional ones. However, because it’s much faster, it could end up being less expensive in the long run.

Michael McBride, Project Manager at B&C Contractors, describes the 3D printing process as automated. He added that the final product is stronger and could be used more often in future buildings.

Three families on Louth County Council’s waiting list will get new 3-bedroom homes.

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