 In the late 18th century , Donald Maclachlan oversaw the construction of New Castle Lachlan , a mansion which stands about a ten @-@ minute walk away from the ruinous old castle . This new house was first built in the Queen Anne Style , then later at the end of the 19th century it was transformed into the Scottish baronial house that stands today . The building , upon the 1 @,@ 500 acres ( 2 @.@ 3 sq mi ; 6 @.@ 1 km2 ) estate , has been divided in two with the chief residing in one part and the second available for rent . 
