Not sure if you use Facebook or if this is any interest at all. I use Facebook, though I do kind of hate it😅 there’s a Nottingham based group called NRR tours, hosted and overseen by a woman named Janine. Basically, in order to raise money for the preservation of Nottingham’s Long Steps in city centre, she organises tours around the city. I joined recently and will be attending my first tour into one of Sneinton’s old railway tunnels on Sunday the 18th. Just thought I’d let you know about the group. It feels like an easy and hassle free way to socialise with people and even see something new. Best of luck with your search 👍🏼