[2] The name is from the Old English personal name Hreodbeorht (modern name Robert) and Old Norse gil "ravine".
The Listing indicated that the structure - a medium scale mansion ... [with] crenellated retaining wall" - was built in several phases primarily in the late 18th and early 19th century, although the nucleus was a 16th-century tower.
[4] A subsequent report at the time indicated that there was a "fine stable block dating from the later 19th C. and a sizeable walled garden with a large glasshouse.
The stable block has gained a swimming pool and there is a large indoor equestrian arena".
[9] A 2013 prospectus provided numerous diagrams, photographs and descriptions of each element of the property.