The proposed move if comes in to effect will lift sanctions against religious ceremonies for the registration of gay unions when the country legalised civil partnerships six years ago.
According to the the Sunday Times, the government may also propose scrapping the definition of marriage. As it stands now, marriage legally means a relation between man and woman, but with the new definition it will also encompass gay men and women to call their partners husbands or wives.
According to the Sunday Telegraph, Equalities minister Lynne Featherstone will start consultations soon.
If the bill is passed on to become a law, then Britain will join the ranks of Netherlands and Canada where gays can marry legally.
Roman Catholic Church doesn't approve gay marriages.