Close to the Blue Flag beach of Porthtowan, in north Cornwall, Rosehill (01209 891920, www.rosehilllodges.com) is a new eco-retreat with 10 cosy lodges set in three acres of woodland. Each has a log burner, a grass roof, an outdoor spa bath, WiFi access and a DVD player; sand dunes, rock pools and clifftop paths are all on your doorstep. A two-bedroom lodge costs £390 for four nights or £620 for a week.