Ben Hillman helps Lisa from Bedfordshire find the perfect holiday home for her and her family in northern Tenerife, known as the Island of Eternal Spring and famous for its volcanic black-sand beaches. With Lisa's husband Jonathan tied up with work, she brings along her best friend Jo to keep her from getting carried away while they're looking. Ben shows them five fabulous properties for Lisa's maximum budget of £300,000, from a quirky hilltop house to a detached 'castle' villa