Back with some additional info, now that we know it’s a Duchess.
Classic Roadsters used reproduction MG-TD pieces for most of the missing items you mentioned, including the grill shell and slats, head light buckets, headlight brackets and door handles, latches & strikers.
You can try Moss Motors for all of the above…but will pay top dollar.
You should also try MG Magic. Just search MG Magic in this forum and you’ll find their contact info.
The tail-lights should be VW Beetle parts. The year will depend on what the builder used.
Your best option for the hood hinges and latches would be a marine supply store, although MG Magic might have these also.
Former Owner of a 1981 Classic Roadsters Ltd. Duchess (VW)
2005 Intermeccanica Roadster
If you own a TDr and are not in the Registry, please go to https://tdreplica.com/forums/topic/mg-td-replica-registry/ and register (you need to copy and paste the link)