Editing Chancellor of the Exchequer (section)

== Second Lord of the Treasury ==
The holder of the office of chancellor of the exchequer is ''[[ex officio]]'' second lord of the Treasury as a [[Lords Commissioners of the Treasury|member of the commission]] exercising the ancient office of [[treasurer of the Exchequer|treasurer of the exchequer]].<ref name=Sainty>{{cite book |last1=Sainty |first1=John Christopher |title=Office-Holders in Modern Britain: Volume 1, Treasury Officials 1660–1870 |date=1972 |publisher=University of London |location=London |isbn=0485171414 |pages=16–25 |url=https://www.british-history.ac.uk/office-holders/vol1/pp16-25 |access-date=19 October 2021}}</ref> As second lord, her official residence is [[11 Downing Street]] in London, next door to the residence of the [[first lord of the Treasury]] (a title that has for many years been held by the [[Prime Minister of the United Kingdom|prime minister]]), who resides in [[10 Downing Street]]. While in the past both houses were private residences, today they serve as interlinked offices, with the occupant living in an apartment made from attic rooms previously resided in by servants.

Since 1827, the chancellor has always simultaneously held the office of second lord of the Treasury when that person has not also been the prime minister.