Orgyia antiqua

This rather splendid caterpillar was found on our washing.

With another one munching on the nearby Hibiscus

Once again identified by those on the brilliant Wild About Britain forum, this is a Vapourer (Orgyia antigua) moth.
A brief bit of research on the UKMoths, reveals a fascinating life, the males looking like a typical moth, with a 3cm wingspan, however, the female is wingless and looks nothing like a typical moth:

http://ukmoths.org.uk/show.php?id=4746