Double Bunk

Double Bunk is a 1961 British blackandwhite comedy set on a houseboat, that stars Ian Carmichael and Sid James.

When newlyweds Jack Ian Carmichael and Peggy Janette Scott face eviction from their rented London flat, they are tricked into buying a rundown houseboat by its current owner Alfred Harper Reginald Beckwith and his putupon wife Irene Handl. Mr Watson Dennis Price owns Jack and Peggys mooring and soon makes their acquaintance by introducing them to his mooring tariffs and associated surcharges.After rebuilding the engine with the help of his friend Sid Sid James, a usedcar salesman, Jack and Peggy plan a trip down the Thames River to Ramsgate, taking along Sid and his partner Sandra Liz Fraser. On their way, they get into trouble with the Thames Conservancy Naunton Wayne and also the river police Terry Scott. ........

Source: Wikipedia