Janvrin retired in September 2007, and was succeeded as Private Secretary by Christopher Geidt. He was promoted to Knight Grand Cross of the Order of the Bath in the 2007 Birthday Honours and, on 24 July, it was announced that Janvrin would be made a life peer, as one of the ten public servants per Parliament whom the Prime Minister may nominate for a peerage upon their retirement. His title was gazetted as "Baron Janvrin", of Chalford Hill in the County of Gloucestershire on 10 October, and he sits as a crossbencher in the House of Lords. On the day of his retirement, 8 September, Janvrin was also promoted to Knight Grand Cross of the Royal Victorian Order by the Queen. In October, the Queen appointed Lord Janvrin to be a Permanent Lord-in-waiting in the Royal Household.