Peter Zumthor's Secular Retreat is the last in a series of eight holiday homes built by Living Architecture. Here's a look at them all, from a barn cantilevered over a hillside, to a boat perched on the roof of a concert venue.
Alain de Botton ? a philosophy author based in London ? set up holiday rentals company Living Architecture in 2006, with a vision to make contemporary architecture accessible to a new audience.
Twelve years later, the company has built eight homes, designed by some of the most respected names in architecture. They are dotted all over the UK ? John Pawson has built one in a remote Welsh valley, while NORD Architecture built one on the vast shingle beach of Dungeness.
According to Mark Robinson, the man who commissions the projects, this will be the last in the series, as the company wants to switch its focus to more community-focused projects. Here's a look back at all eight houses, from the first to the last:

Balancing Barn by MVRDV
This design by Dutch studio MVRDV turns the English countryside barn into a gravity-defying structure. Located near the Suffolk coast, the reflective building cantilevers over the edge of a hill, and even has a swing suspended from its underside.

Shingle House by NORD Architecture
The vast beach of Dungeness ? the only place in the UK classified as a desert ? is the setting for this house by Scottish studio NORD Architecture. It is clad in tarred black shingles, to match the fisherman's huts that dot the landscape...