Below is a collection of websites to help with your British research.
Books on InternetArchive for British research The registers of baptisms and marriages at St. George’s chapel, May Fair
City of London Cemetery Registers https://www.cityoflondon.gov.uk/services/births-deaths-and-marriages/cemetery-and-crematorium/cemetery-registers
Free BMD https://www.freebmd.org.uk/
National Archives – this link is a starting point for help with your research http://www.nationalarchives.gov.uk/gettingstarted/understand-the-archive/default.htm
Old Bailey, London’s Central Criminal Court https://www.oldbaileyonline.org/