The guest house is located on the island of Alnö outside of Sundsvall in northern Sweden. Set back from the coastline, with a view across the bay, the site slopes to the southwest and is surrounded by moss covered boulders and dense pine forest to the north.

      The building stands on columns along the eastern edge of the site, in continuation of an existing storage shed next to the main house, a 1940s timber log cabin. Long and narrow, measuring 12,3 x 2,7m, the guest house provides extra bedrooms, a bathroom and a studio space overlooking the sea, while framing the garden and acting as some protection from the harsh northeasterly winds. A covered deck runs along the west facade and wraps around the front, ending in a small balcony towards the view. The natural slope of the site allows for a protected parking space underneath the guest house instead of in a separate garage as was suggested by the client in the initial brief. Stacking the two on top of each other saves on cost and material and minimizes the use of space on the site.

The building is lifted 2,1m off the ground at the tall end and is supported on a grid of structural posts made of dense slow grown pine. It is stabilized with cross bracing in internal walls and metal tension rods in-between two pairs of columns at the lower level. The structure and facade, also sawn pine, are coated in a dark brown tar paint, relating directly to the existing buildings on the site and the traditional tar treated log cabin.