How I built my underground house

Architect Mark Stephens provides an overview of how to build underground and reflects on the subterranean house he built seven years ago for him and his family.

Since we moved into our underground eco house, a lot has changed. There’s been the building regulations, the rise in popularity of the Passivhaus methodology (for which I’ve become a qualified designer) and generally speaking a growing understanding of building methods and materials, especially with regards to underground construction.

What hasn’t changed is the attractiveness of earth shelters.


Written by Mark Stephens

Mark Stephens RIBA MRIAI is a UK and Ireland trained architect based in Foxford, Co. Mayo. For more information about his practice or to see photos of his own innovative ‘underground’ house visit or contact via email at or mobile 085 159 4084.

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North facing extension