Enquire for price per person per month — Britannia House is at the heart of the Caerphilly Business Park. A landmark office, Britannia House welcomes visitors in with its prestigious reception area. Home to Welsh ICE, Britannia House is a hub of business activity, with a sustainable community of firms able to provide services and custom to one another. The building has a wide array of different sized office suites, as well as more flexible work space options.