 Dexter sees an ad in the local paper and employs Josh (Ronnie Barker) to do the work.The house is finished, although well over budget, but eventually burns down because Juliet's father had changed the fuses from 15 amp to 30 amp, causing the fire.Roddy, their estate agent (and aspiring actor) (Leslie Phillips) saves the day, telling Dexter and Juliet that a motorway is soon to be built on their land, so they can sell at a profit, and gives them the keys to a cottage requiring no work in the adjoining field.