Single mother Andrea lives in a two-bedroom flat in Lambeth with her three daughters. Over in Chelsea, best friends Geeta and Harriet share a love of the finer things in life - including Geeta's ú7million four-storey townhouse. The divorced businesswoman runs a diet clinic and practises what she preaches, with a strict routine of yoga and exercise. How will Andrea, who lives on benefits, find the extravagance of Chelsea living? And how will Geeta and Harriet cope with a quieter life in much more cramped conditions?

Rich retired couple Shahid and Riffat have worked hard all their lives planning for their retirement, managing to build their own home. Cleaner Kelly spends all her attention and money on her two sons, who live with her in their council house.