This simple format, lifestyle factual programme has now successfully aired in over 15 different countries, including the US.
How Clean is Your House? has also ranked number one in its time period in France, Denmark, New Zealand, Finland and the Netherlands.
The show was first broadcast in the UK in 2003 and was an immediate ratings success. It follows two expert female cleaners who visit particularly filthy homes and clean them up. The interaction between the cleaners and the home owners is often lighthearted, making the programme more entertainment than factual.