Institutional seats of the European Union are based in Luxembourg City along with the European Investment Bank. The Economic and Social Committee and the Committee of the Regions are entirely based in Brussels while the European Central Bank is based in Frankfurt and Europol is the only agency to have its seat fixed by the treaties, in The Hague. Separately, the Treaty of Nice establishes Brussels as the venue for all formal summits of the European Council after 2004. However some extraordinary sessions are sometimes held outside the city. The European Council's seat is however fixed by a declaration rather than a protocol, meaning it is
Representative of the European Union, London office, along with a new personalised postcode – SW1P 3EU. There was some criticism of the amount spent by the EU in updating the interior of the building, which allegedly included the installation of bomb and bullet-proof windows. Representative of the European Union, London The Representative of the European Union (specifically the Representative of the European Commission and the Representative of the European Parliament) in London are the diplomatic missions of the European Commission and the European Parliament in the United Kingdom. They are both located in Europa House, 32 Smith Square. The building was formerly the Conservative Party's Central