An investigation by The Telegraph reveals hundreds of adverts advertising "Muslim-only" flat and room rentals. Some say the newspaper's reports, which also uncover other apparent equality breaches, are a worrying sign of unchecked discrimination. Others question the focus on Muslims and argue that some forms of discrimination in renting are understandable, even necessary. We find out what the law says, step back in time to understand the link between property and race in the UK, and look at some housing developments specifically designed for certain groups.

Presenter: Adam FlemingProduction team: Simon Tulett, Annabel Deas, Ellie House and Bob HowardStudio manager: Hal HainesProduction coordinator: Gemma AshmanEditor: Penny Murphy