大象传媒

All over Wales, homeowners are being encouraged to make their properties more energy efficient with cavity wall insulation. Whilst many homes benefit from this process, X-Ray has received dozens of complaints from viewers whose homes have been blighted by severe damp, mould and other problems after the installation of cavity wall insulation. Reporter Rachel Treadaway-Williams meets industry insiders who are so concerned about the way surveys and installations are carried out they've decided to speak out about their experiences.

Also, Rachel Treadaway-Williams is given exclusive access to the South Wales Police mounted section. As well as taking a look at the training of the officers and the animals, Rachel follows PC Bethan Jones as she prepares to police a Six Nations rugby match at the Millennium Stadium. Will her horse Sampson live up to his promise on the big day?

And it's the end of the challenge for the residents of Portland Street. Three months ago they agreed to try and become fitter and healthier - but will they succeed? Stop smoking advisor Liz Clark tests the smokers' lungs for carbon monoxide, the healthy eaters face the final weigh-in and the exercisers tackle the Sports Relief mile - can they keep up the pace all the way round Caerphilly castle?