...eco homes set in the highly desirable Mid-Devon village of Sandford. The development sits naturally among the quaint streets, ...cottages, and perennial gardens of this historic rural village. Sandford was once famous for producing a woven serge cloth called Perpetuana, ...Perpetuana, a type of twill fabric. The development and the houses within it take their name from this tradition. These are ...heat that is normally wasted. This keeps the air inside the house fresh without the need to open a window, unless you wish to,