Carol longs to buy a holiday home for her and her husband on the island of Lanzarote that will work for all four generations of their family. She particularly loves the east coast, with its buzzing resorts of Costa Teguise and Puerto del Carmen, and is looking for a town house or apartment with a pool and a view from the terrace. With a budget of £150,000 - and Carol's daughter-in-law-Donna coming along to help - Jasmine Harman sets out to find a property to please everyone