DURHAM, N.C. — HFF has arranged the $22 million sale of Nottingham Hall, a 105,601-square-foot office property in Durham. Ryan Clutter, Scot Humphrey and Chris Lingerfelt of HFF arranged the transaction on behalf of the seller, CapRidge Properties LLC, and procured the buyer, Senior Housing Properties Trust, a seniors housing and healthcare REIT that also invests in office buildings leased to medical tenants. Nottingham Hall is located at 4505 Emperor Blvd., within Imperial Center, a business park in Durham’s Research Triangle Park submarket. Constructed in 2001, the four-story building was fully leased at the time of sale to 13 tenants including its largest, Social and Scientific Systems, a company dedicated to improving public health worldwide. The RMR Group manages the property.