Yesterday I saw these exhibitions, which start closing on Sunday...
Both these 2 close this Sunday:
http://www.nationalgallery.org.uk/whats-on/exhibitions/vienna
http://www.courtauld.ac.uk/gallery/exhibitions/2013/durer/
Both these 2 close on 26/1:
http://www.royalacademy.org.uk/exhibitions/daumier/
http://www.somersethouse.org.uk/visual-arts/stanley-spencer
This is also at Somerset House:
http://www.somersethouse.org.uk/visual-arts/isabella-blow-fashion-galore