Bare in mind health and safety, wages and the way workers were treated were also surprisingly shit by modern standards.....
Victorian construction costs were low, partly because wages were low and health and safety regulations very slack, where they existed at all, but also because there was much less in the way of bureaucracy, few or no requirements to compensate people for disruption, the methods of construction were low-tech and cheap, and I've certainly seen it suggested that loans for investment were a fair bit cheaper than they are now, especially prior to the financial difficulties of the late 1860s. The Victorians were generally less risk-averse than we are, too...
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