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Linda's first recruit is 31-year-old Richard Searle, who is obsessed with order, organisation and tidiness. Richard is paired with Christopher Sylvester, a retired antiques dealer whose stone Victorian cottage is overrun with collectibles and bric-a-brac. Linda also recruits germaphobe Michele Murray, who sets off to help Richard Pugh: he hasn't cleaned his flat since he moved in four years ago. And Linda and her cleaning gang head to Leatherhead to help The Pitstop, a drop-in centre for the vulnerable and the homeless.

Denise, from Richmond, was officially diagnosed with obsessive compulsive disorder in 2002. She is taking four days out of her own cleaning regime to help 82-year-old retired British Aerospace engineer Frank from Chipping Sodbury. Linda has also recruited hairdresser Adam, who heads to Buckinghamshire to help Helen with her piles of clutter.

Mark, from Hampshire, who can spend an hour a day just getting the pleats in his curtains to hang symmetrically, visits single mum-of-two Julie Arkwright, from Lancashire. Hoarding runs in Julie's family: her grandmother was a hoarder and so is her mother. Also joining the team is 29-year-old Cheyza Burch, from Cambridge, who travels to Oxfordshire to help shopaholic Amanda. English

The compulsive cleaners are carefully matched with someone whose home is in dire need of a major spring clean. In this edition, 27-year-old OCD sufferer Hayley heads to Plumstead to help library assistant Shereen, who last cleaned her flat a year ago. And 44-year-old estate agent Penny heads to the two-bed home of Paul and Elaine from Surrey. Paul is a self-confessed shopaholic who collects Star Trek memorabilia in the belief it will be his kids' inheritance, but Elaine is worried their home is turning into a death trap with so much clutter.