For Kindle readers, check out another photo gallery from the e-book Why Most People Don't Build Energy-Efficient Homes.
These show some completed UK Passivhaus projects.
Denby Dale, Green Building Store.
The triple-glazed windows at Denby Dale.
The Tunstalls enjoy the comfort of Denby Dale.
Crossway, nestled under the land!
Crossway, Hawkes Architecture.
Master bedroom at Crossway.
The Hanse Haus Passivhaus, High Barn.
Living room at High Barn.
Kitchen at High Barn.