Beneath the Guildhall and the Market Place lies a network of brick-vaulted tunnels and burial chambers dating from the mid-19th century. The Derby Catacombs were constructed in 1856 as part of the new Guildhall development, intended to provide a more orderly and hygienic alternative to the overcrowded churchyards that surrounded the medieval town. They were used for a relatively short period before cemetery burial became standard practice.
The tunnels are not open as a permanent attraction, but guided tours are organised periodically by local heritage groups and the Guildhall itself. They are genuinely atmospheric — the kind of place that makes the Victorian city feel very close. Check the Derby City Council or local heritage websites for upcoming open days.