Despite all the amenities that the property has to offer, the home has had difficulty selling. In fact, it's been on the market since 2005 , following a costly expansion and renovation. Part of why the renovation took so long was because it included rotating the entire house 90 degrees. This helped to give the living room windows a prime sunset view over the pond. But with the Knowles-Carters as the new owners, it seems like all that work was well worth it.