Rising Damp to his belief in some aspect of Philip's lore: for example, the 'love wood' which fails to excite Miss Jones (in the 'Charisma' episode, first broadcast 1974). Philip is an intelligent, educated man (more so than the moderately educated Alan and Miss Jones), he is sophisticated and suave; this makes Rigsby suspicious of him, particularly as Miss Jones openly fancies him. Philip does not reciprocate Miss Jones's romantic interest. Croydon was not revealed to be the true birthplace of Philip until the film version of "Rising Damp" (1980). Don Warrington commented in Britain's 50 Best Sitcoms on Channel 4, that
Damp (structural) particular problem with regard to the installation of retrofit external wall insulation (EWI). Rising damp is the common term for the slow upward movement of water in the lower sections of walls and other ground-supported structures by capillary action. Although rising damp of up to 5 metres in height has been observed the height of rise is typically much lower and is rarely above 1.5m. Rising damp has been a widely observed phenomenon for at least two hundred years. There is also strong evidence to suggest that it was a problem understood by the Romans and Ancient Greeks. In common