Referencing the traditional Welsh long house form, the building cantilevers out over the site, cleverly avoiding the planning constraint on building within seven meters of the nearby river. The name of the house means 'hovering house'.
The design uses a tall, striking and expressive nine metre tall dry-stone wall as the knuckle between the rectangular form of the main house and the bedroom wing, which is buried into the hillside under a green sedum roof. The best views are from the cantilevered living room where you feel that you are amongst the trees. The buried wing of the house has generous full-height glazing and three rooflights permitting daylight to permeate into the deeper parts. These are intriguingly detailed as if they were wooden cattle toughs in a field.