Mansion House, Cardiff subsequently being used by Cardiff Council for events, functions, civil ceremonies and weddings. It was also the base for the council's protocol team. Mansion House, Cardiff The Mansion House (), located on Richmond Road, is the official residence of the Lord Mayor of Cardiff. Architects Habershon & Fawckner designed the Mansion House and it was built in 1896 for James Howell, owner of Howells department store. It was then known then as 'The Grove'. James Howell was a Cardiff businessman who opened his first shop in 1865. In 1890 he made arrangements to build a property on land leased from
Manoogian Mansion Derrick. The Manoogian mansion is one of the few houses in Detroit that has a boat house. Manoogian Mansion The Manoogian Mansion is the official residence of the mayor of Detroit, Michigan. It is located at 9240 Dwight Street in the Berry Subdivision Historic District, on the city's east side, backing up to the Detroit River. The mansion was built in 1928 at the cost of $300,000. The original owner lost the home during the Great Depression and it sat vacant until Alex Manoogian, founder of the Masco company, purchased the home at an auction in 1939 for a mere