Red velvet chairs - can you tell me anything about them?

I have these three chairs and would like to identify them if at all possible. Any help doing that would be greatly appreciated!

Three in number, red velvet, I think my grandmother always referred to them as Jubilee chairs, but a search of those shows no real uniformity to make identification any easier. (Sorry, what a clumsy sentence...hope it makes sense.)

If anyone could tell me style, age, approximate value (UK market) I would be grateful.

Kind regards

Jake