Concluding part of the documentary which reveals the dirty secrets about the way modern Brits live. In London, a team of domestic maids discover how fussy some homeowners can be about dirt and grime, while pest controller Jim deals with a house that has been overrun by pigeons. The Manchester sewers are clogged up with things that people should not put down them, and Mick and Shaun have to clean up the mess. Extreme cleaners Matt and John are faced with the unpleasant task of cleaning up after the deaths of people who lived - and died alone. In Knightsbridge the most expensive carwash in the country is kept busy with the Rolls Royces and Ferraris of the nation's super-rich