Question: In what year were the railings and gates completed?
Sentence: Behind the gilded railings and gates which were completed by the Bromsgrove Guild in 1911 and Webb's famous façade, which has been described in a book published by the Royal Collection as looking "like everybody's idea of a palace", is not only a weekday home of the Queen and Prince Philip but also the London residence of the Duke of York and the Earl and Countess of Wessex.
Answer in sentence: yes