Thanks for the link Bob, yes, they are UK medals. I'll also cross post on The Long Road site too, they have probably already had people asking the same question. I'd like to try and find someone local-ish if I can.
Better photos for those that are interested!

1914-1915 Star & British Medal - front

and back

Victory Medal & Naval Good Conduct Medal - front

and back

Ribbons, showing fraying and incorrect insertion into bar

I was also given his two photo albums of pictures taken between 1920 and 1925, mostly of ships and locations he visited and sent back to his wife. Sadly I had to leave one at my inlaws in England as I was completely out of room, but these two photos are from the one album I do have with me:


Now all I have to do is piece together his life after the war!
Brenda