Perhaps the explanation is that it's not quite as well known as The Ivy and Le Caprice when, by any measure, it should be. Owned by the Signature Group, and with the same unmistakable stamp of old-fashioned quality, J Sheekey deserves to be mentioned in the same breath as the other two and yet, for some reason, it isn't. It's the culinary equivalent of Elizabeth Bennet in Pride and Prejudice: its virtues may not be as obvious as those of its two sisters but, actually, it's the most worthwhile of the three.
Fortunately, you don't need an estate in Derbyshire to get a reservation.