[1] The embassy is located on Belgrave Square, Belgravia, in two separate buildings, and there is also a Portuguese consulate in Portland Place, Fitzrovia.

[2] The Portuguese Embassy had previously been situated at 23–24 Golden Square, Soho, London, W1F 9JP from 1724 to 1747; the Marquess of Pombal served as Ambassador from 1738 to 1744.

During this period a chapel (now the Church of Our Lady of the Assumption and St Gregory) was under the protection of the embassy.

[3] The embassy is now situated in a stucco terrace of c. 1825, designed by George Basevi.

[4] On 2 February 2002 a ceremony on the corner of the square facing the embassy took place, unveiling a statue of the Anglo-Portuguese prince Henry the Navigator, whose English ancestry derived from his mother, Philippa of Lancaster.