James Hayward is a science teacher and his lab is a model of cleanliness, but at his place, it's a very different story. Since he moved into his flat, he's transformed it from a home to a hovel. Can this mucky professor turn his back on his dirty past?

Science technician Amanda Kinsey hates cleaning and has so many interests that she wouldn't have time to clear up even if she wanted to. She plays badminton, goes dancing, attends WeightWatchers, helps with her daughter's horse riding, and enjoys gardening. But daughter Hannah is not happy about the state of their home.

Father and son David and Nick Worboys live in a two-bedroom flat in Newcastle. David reckons the last time the flat had a decent clean was six years ago. Now at the end of their collective tethers, the pair have promised to maintain the flat once it's had a thorough clean.

Kim Woodburn and Aggie MacKenzie visit the Ross-on-Wye home of the Williams family.

Janet moved into a virtually derelict house with her five kids and then built them each outhouses. Janet's revolt against housework came from her resentment at being forced to stay in and clean as a child and she gets extremely bad-tempered when she has to get the hoover or duster out, but Kim and Aggie won't let that stop them.

Kim and Aggie travel to a four-story townhouse near London Bridge - the tip that young professionals Tristan, Chris, and EJ call home. Can Kim and Aggie change their attitude to cleaning as well as the state of their house?

Caroline and Chris moved into their three-story house immediately after getting married. The house wasn't particularly clean and they never tackled the problem. If it was cleaned from top to bottom, Caroline and Chris think it would pave the way for them to start decorating properly.

The Le Bas family is more concerned with creativity and artistic expression than cleaning. Juliet's mother Amy, an ex-housekeeper, nominated the family because she believes they, and especially Juliet, would benefit from the knowledge Kim and Aggie have to offer.

Kim Woodburn and Aggie MacKenzie visit the Glasgow home of Annie Macfarlane.