Exterior, House Building Type, and Wood Siding Material This cute cottage near the remote County Kerry lakeside town of Treangarriv has a modern poured concrete extension that mimics the original adjoining cottage. The color of the wood grain oxidized concrete matched the mountains in the background and helps the extension blend seamlessly into the landscape. The bathroom has a glass roof so guests can gaze up at the stars from a sunken bathtub.  Best Photos from 9 Traditional-Turned-Modern Cottages You Can Rent in the UK