To ask the Chancellor of the Duchy of Lancaster whether it is his policy to use (a) incandescent light bulbs or (b) LED lights for festive decorations in the Prime Minister’s Office. (173509)

The Christmas trees within the Prime Minister’s Office were lit by LED lights. The external tree outside No. 10 Downing street was lit by a combination of LED and compact fluorescent lamp fittings. Incandescent lights are not used.