LONDYN-siku...

http://golondon.about.com/od/londonforfree/tp/freetoilets.htm

http://www.publictoilets.org/pt?context=1&item=75

http://www.cityoflondon.gov.uk/Corporation/LGNL_Services/Transport_and_streets/Street_care_and_cleaning/Public_toilets.htm

http://www.tfl.gov.uk/assets/downloads/toilets-map.pdf