There is a place called Westwood Villas just down the road in Cross Keys
59 Risca Road, Crosskeys, Caerphilly, NP11 7BT. Tel: 01495 272650
I’ve stayed there quite a few times and the chap who runs it is bike friendly and as a secure garage you can leave your bike in. It’s clean, has plenty of hot water and reasonably newly decorated.
A good place for food/pub is about half a mile down the road, a place on the left called ‘The Daran’. It’s a more ‘up market’ pub.
All of this is relative to Cross Keys area, which isn’t the most salubrious end of Wales, but you’ll be perfectly comfortable and it’s all cheap!