Possibly the most expensive kitchen in the world one that includes a kitchen tap worth 6,000 has been unveiled at a design show at Earls Court.The limited edition Colosseo Oro kitchen, designed by Marazzi Design, has a price tag of 300,000 and boasts 24 carat gold leafing, crocodile embossed leather, metallic gloss Sub-Zero Wolf appliances and Venetian ink-stained gold glass.The cost of the kitchen appliances alone is 55,000, with the oven hood priced at 8,000 and the Zaha Hadid tap from Triflow Concepts at 6,000.A spokesman for the designer said The target market is confident social food lovers in the top end of the market who like to entertain and make a statement. Designer Paul Marazzi said he believed a kitchens value should not be expressed entirely in monetary termsI feel a kitchen should have a soul and presence, transforming the room into an emotional experience, a celebration of family life and convivial living, transcending the kitchen into the heart and soul of the home, he added.Triflow concepts makes Perrin Rowe kitchen taps.