Aww, he's lovely

I'm not sure what to say. I mean it's a good sized hutch, but honestly not really if he's gonna be stuck in there all day every day (which isn't your fault I know!)

Are you able to alter his hutch a bit and build a run onto it so he has access to it all day? You just need to buy a standard bunny run and take the door off his hutch.

Then you don't have to feel bad for not being able to do much with him, and he gets a bit more space to play. Mine have a 4ft hutch with a 4ftx4ft run under it and a 3ft hutch I'ce since added on top.

With this weather they are shut in this setup most days and they're perfectly content.

You can always buy him some bell toys etc for his run too

Hope that helps!