[Jaruzel]

I'm going to get flamed for this... but why would you need TLS/https on services that are ONLY accessible from inside your home network? If you have bad actors on your network, you've got bigger problems than un-secure websites.

Anyhoo, if you must, then roll your own CA, get it to generate certs, put the CAs root certs on your clients, and you should be good to go. This route also means you can have something like .myhouse as your TLD if you so wished.