In his speech, Welby chose his words carefully when addressing the issue of gay marriage, highlighting the need for respectful dialogue.
“We must have no truck with any form of homophobia, in any part of the church,” he said.
He won praise from the liberal camp by saying he would vote to allow the ordination of women as bishops at a crucial assembly later this month that is the culmination of more than 10 years of debate.
“I am thrilled,” said Christina Rees, a former chairperson of advocacy group Women and the Church and member of the General Synod, the legislative body of the church.
“To hear the new archbishop of Canterbury saying 10 days before the vote: ‘I am strongly in favor,’ is really going to positively influence the vote,” Rees said.