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Category: Underground House Ideas

CASE STUDY : Troglodium

An owner/designer-built home, this beautiful example of cordwood construction brings a more naturalistic approach to construction.

LINK : My Pinterest Feed for underground house ideas (External Link)

Underground House Concept : Curvy

This underground house concept is a hybrid between a land bridge, a breeze-way, and an atrium to really provide a solid base for independent living.

Underground House Concept – Squarely, Version 2

This refined version of the previous squarely underground home concept is a breath of realistic air. Although space improvements are in the works, and a possible expansion being designed, this version offers a variety of structural and load distribution improvements. To accomodate a large uninterrupted room for the normal living functions, only the bedroom and master bath will have a completely separate space (in addition to being the most buried portion, for temperature benefits)

6 types of underground homes

There are a number of different routes a potential underground home builder can take. In the underground spectrum, there are several different types seen in the majority of the house examples.  These range from simple man-made or natural caves with a front facade, to fully underground concrete labrynths. If there’s one thing to say about underground homes, it’s that they are rarely alike – and traditionally untraditional.


1. Relatively normal front-facing, embedded in hillside
2. Earthen roof, but with openings on either side (a land bridge).
3. Earthen roof, with light embankments but most sides exposed
4. Cordwood with Earthen Roof
5. Completely Embedded, with minimal surface access and skylights/ventilation shafts
6. Completely Embedded, but with either center or side atrium or open fully to sky

This seems to cover the majority of the underground home examples I’ve seen during the design process. There are, however, quite a few freak exceptions simply due to the creative nature of such a practical but unconventional design style in america. Many of the underground homes, whether shaped like large shells or clams, or in the form of an earthship, have an immense artistic presence while serving as eco-friendly housing.

Underground Home Concept – half covered with delta supports

This design combines a relatively light-weight earthen roof with a more modern concrete design and atrium. The entertainment room and bedroom is significantly covered and bermed with earth.

Underground House Concept – Large, complex modern layout

This older concept adds a luxurious touch of class to my designs. This underground house concept shows off a unique, modern floorplan great for a minimalist

Underground House Project – Delta Retaining Walls and Full Earthen roof


This underground eco-house concept is a re-take on 1970s-era underground house designs with a relatively timeless look. The back would be covered, but this model is not intended to be built into a hillside for drainage concerns. This underground house would be above-grade, and utilities/lines built into the roof loft-style, maybe with an exposed tress system for support. The roof is shown exposed, however the sodden roof would be back-filled to within 1-3″ of the skylights and stove pipe vent, and would need to be at least 18″ deep on all surfaces.


Re-enforced concrete outer walls and roof, concrete inner walls


Re-enforced concrete, 6″
2-4″ of waterproofing layers (material to be determined)