Overview: Sun-worshippers Carol and Junior Smith from Middlesex have cashed in their savings and can’t wait to buy a holiday home where they can spend more quality time as a family. With a budget of £70,000, Jonnie Irwin shows them five fantastic properties on Spain’s popular Mar Menor. But will they go for a bungalow with a glorious roof top terrace or a spacious townhouse that has them lost for words?