In addition to the restaurant, lounge area and upstairs bar, No. 42 has also made space for a chic underground spa and adjoining coffee shop, called Field Trip. Decked out in shades of warm wood and decorated with herbs and grasses, this is the place to go for the hotel’s signature Lessen Your Stress treatment: an hour-long back, shoulder and face massage with a facial which managed to unwind every muscle in my body in a surprisingly short space of time (£95).
