Some of the properties amassed by the O’Donnells as part of their €1 billion empire:

Gorse Hill, Vico Road, Killiney (family home)

85 Ailesbury Road, Dublin

61 and 62 Merrion Square, Dublin

61 and 62 Fitzwilliam Lane, Dublin

Gortdrishagh House, Oughterard

Fatburen office block, Stockholm, Sweden

2099 Pennsylvania Avenue, Washington DC (12-storey office block, close to White House - sold in February this year)

Chalet Hermine , Courcheval, France

15 Westferry Circus, Canary Wharf, London

17 Columbus Courtyard, Canary Wharf, London

8 Barton Street, Westminster

Sanctuary Buildings, 14 -26 Great Smith St, Westminster, (home to UK Department of Education - sold in 2011)