A couple whose enormous new home was likened to a “spaceship” by furious neighbours revealed on television they went over budget while sleeping in a tent. The duo told Extraordinary Extensions presenter Tinie Tempah they were left shocked after winning permission to overhaul a modest Sandgate bungalow into a ‘Miami Vice’ style home. Before Channel 4’s show aired on Friday neighbours slammed the building for “looking like a spaceship”, with some calling it a “shed on steroids” and out of keeping with the surroundings. But the pair, who are referred to as ‘Tracey’ and ‘Jeff’ on the prime-time sh…