SAGA's 377-Square-Foot Danish Cabin Sleeps Six, Emits 83% Less CO2

By Daniel Okafor

A 377-square-foot vacation home on the western side of Zealand, Denmark, sleeps six people and emits roughly 386 pounds of CO₂ a year — about 83% less than an average vacation home for six, which SAGA Space Architects estimates at 2,282 pounds. The Copenhagen firm designed the cabin, called the EcoNeo House, both as a family retreat and as a prototype for tiny-house-style vacation homes.

The numbers do the arguing here. One building, six sleepers, a sixth of the usual emissions.

What fits in 377 square feet?

Quite a lot, it turns out. The living and dining areas flow into one another, framed by large windows that look straight into the surrounding forest. The kitchen sits slightly apart but opens onto the dining area, and comes fully equipped. Conceived originally as a summer house, the cottage has been insulated and heated, so it works in the Danish winter too.

Rather than chopping the floor plan into rooms, the architects used the building's height: stairs beside the kitchen lead up to two sleeping lofts that accommodate up to four people. Storage lives under the stairs. There is a sauna, which converts into a sleeping space for two extra guests, and a cold plunge pool waits on the terrace. A generous window front in the sauna frames the landscape.

Six berths, a sauna and a plunge pool in the footprint of a generous garage. That's the pitch.

How do the materials do the work?

Wood runs through everything. Wide Douglas fir planks cover the floor, bringing warm color and a vivid grain, and the timber carries through to the sauna, visually linking the two spaces. The bathroom uses natural materials as well, including Kolmården marble, a Swedish stone known for its green hue.

The palette deliberately avoids contrast — the green stone answers the greenery outside. "When designing the summer house, every detail was intended to reflect the harmony between sustainable innovation and timeless craftsmanship," said Niklas Munk-Andersen, architect and partner at SAGA Space Architects.

Why is the footprint so small in carbon terms?

Two factors, according to the firm's calculations: the compact living area and the bio-based materials that make up most of the build. The construction process was designed for efficiency as well — the house was planned digitally, its components prefabricated with precision, then assembled on-site in modular fashion. That approach simplified assembly and minimized disruption to the forest site.

The EcoNeo House makes a pointed claim: sustainability is not only a materials question, but one of size and how space is used. A getaway of 377 square feet can be enough, provided the floor plan, storage and amenities are designed with care. SAGA built the prototype to prove vacation homes can shrink — expect the model, not just the marble, to travel.