It’s rare to see newcomers in the competitive world of caravan manufacture, so the new, British-made Eterniti caravans have attracted considerable attention.

The company was founded in 2011 and first showed prototype US-built tourers at the spring shows of 2012. By the NEC show in October 2012, designs had advanced radically but still retained the important USP of an American-style slide-out.

The Eterniti range has four Chronicle single-axle models and two Genesis twin-axle models. Here, the Practical Caravan review takes on the maker’s Genesis IB4 to see how its slide-out room extension improves the extremely popular transverse double bed layout.