Well if your down near me ( worcester ) there are plenty of caravan sites/ B&B's.....no arcades though
I can forward you some details if you like?
The countyside can be quite beautiful, and if your bringing your dog's there is plenty of walking for them, should tire the kid's out too!!
And nice pub's.......don't get me started plenty......real ales, simple and nicely priced home cooked grub.
For the more adventurous......a pub nearby specialises in thing's like Hare, Rabbit, Squirrel and even been known to have hedgehog on menu!!
But for the kid's sake.....a good Macc