The Somerset Arms in Semington is a very popular local with food, drink and within easy walking distance of the site via a path over the fields, and access to the canal not far from there. Of course you can also drive to it. They have an outside area, so dogs are welcome!
http://www.somersetarmssemington.co.uk/index.php
Postcode – BA14 6JR
Opening Hours;
Pub
Mon – Sat 9am – 11pm
Sun 9am – 10pm
Restaurant
Lunch 12pm – 3pm
Dinner Fri & Sat 6pm – 9.00pm
Dinner Sunday 12pm – 8 pm
Ask Peter for directions once on site