Guns? Did someone mention my name?
I was raised around all sorts of guns (for some odd reason).
The Pistol was most likely property of someone of "rank" or prestige in that the white grips were considered a special luxury known only to VIP types. At first glance I thought it might be a 22 but when you show the size of those chambers, it's at least a 32 caliber or even 38 but dang if I'd want to shoot a 38 slug from such a small frame... I'd say it would burn a bit, not to mention the kick.
The "rifle" (and I say that hesitantly because it reminds me more of a shot gun or "hunter's" gun to be more accurate) I'd have to see the bore to know which but if it is a rifle I doubt that it was for any sort of long range, which brings me back to thinking it something used by farmers and hunters when dealing with game or defending the property. I also believe it to be an early version of a cartridge loader (what we now recognize as bullets or shells) rather than flint-lock... again, I couldn't make out the workings for the hammer section so I'm not positive.
Flint Locks, at least those here in the U.S., tend to have a much longer barrel. This was common with most military grade weapons of this sort, which is one of the reasons I keep coming back to this being non-military and something of personal use. Too, if it was military, you would find stamps in the stock and probably the barrel itself denoting such information.
Look along the barrels and see if you can find engraving... sometimes it will be near the stock or hand-grips. This will typically be a maker's mark along with a serial number or type number that can be researched. Too, you may want to take it to an arms expert from your area. Most veteran's groups have just such a person on hand but you can also look up area gun smiths or simply visit the war & veteran's museums, asking for assistance in said research. Another avenue but I don't know if you have the same show over there, is a group we call the History Detectives. It's a television show on PBS in which they take finds of your kind and do a rather in-depth background search around them. It's quite interesting, the things they uncover.
As to the legal possession of such items I'm not familiar with British law but I do know that most historic firearms must be rendered non-functional. This can be done in two ways; the removing of the firing pen or filling the barrel by no less than 2/3 with something like lead... I know that tends to be how many such items were treated here, with rare exceptions.
Sometimes, if you are a recognized collector of this sort of thing, you can legally preserve the authenticity of the item, including function. I'm not familiar with how regulations have changed on that front but I know my father had to comply on certain levels because of the older "museum" quality pieces we owned that were made in the Navoo, Ill. smith shop operated by Jonathan Browning, father to the lads that moved to Belgium to begin the big company... but they were Mormons and far, far removed from the Baptist side of the family
