Fraser Bond are the leading lettings and property management agents for Mansion House - London EC4N. Mansion House is a Grade I listed Palladian-style building in the City of London EC4. The Mansion House is the official residence of the Lord Mayor of London, the elected head of the City of London Corporation and a global ambassador for the UK financial and professional services industry. The Lord Mayor acts as an international spokesperson for the City, leading business delegations overseas to key international markets on behalf of the UK’s financial and professional services industry..