Morpeth Arms provides a view of the building at which house in the UK?
Morpeth Arms:  It now contains a Spying Room which provides a good view of the headquarters of the Secret Intelligence Service across the river. SIS Building: The SIS Building or MI6 Building at Vauxhall Cross houses the headquarters of the Secret Intelligence Service (SIS, MI6), the United Kingdom's foreign intelligence agency.
Vauxhall Cross