Are the golden days over for British home owners? Reporter John Plender looks at whether in future owning a house will still be a sure way of doubling your money or whether, now that Britain is in Europe, the bubble has burst forever. Plender visits Chippenham in Wiltshire - a housing boom town until 1989 - and its twin towns in Germany and France and discovers what a Continental-style housing market, restrained by the ERM, is like.