[5] From 1995 to 2011, Holtam was the vicar of St Martin-in-the-Fields, in the Trafalgar Square area of the Diocese of London, where he initiated and led a £36 million buildings renewal.

[citation needed] While in this position, he was a regular broadcaster and published articles and two books, A Room with a View: Ministry with the World at Your Door (SPCK, 2008); The Art of Worship: Paintings, Prayers and Readings for Meditation (National Gallery London with Yale University Press, 2011).

[18][19][20][21] In June 2013, Holtam wrote in response to a request from Waheed Alli asking him to clarify his views on same-sex marriage and explain why he differs from the official statements made by the Church of England.

[22] Acknowledging that members of the Church of England hold varied views, Justin Welby, Archbishop of Canterbury, said in the House of Lords that this was a "strong and welcome contribution".

[23] In 2017, speaking on same-sex marriage, Holtam stated that "the Church will come to see the goodness of supporting people in a fruitful relationship that is permanent, faithful and stable.