The new tenant received a letter saying she owed £1,200 in unpaid electricity bills for an apartment she'd only lived in for three weeks. She thought it was a mistake. Then she saw the meter reading. It was almost exactly the same as the reading recorded when she moved in. That made no sense. She called the electricity company. They told her the account had been opened in her name on the day she moved in. She checked her lease. Everything looked normal. Then she noticed something she'd never paid attention to before. The electricity meter number on the bill didn't match the meter in her apartment. She called the company again and explained. The customer service agent told her the meter number on her account belonged to another flat in the building. She thought that would solve everything. It didn't. The agent said someone had provided her address when the account was opened. The tenant asked who. They couldn't tell her. She contacted the landlord. He immediately said, "That's impossible." Then he asked her to send him a copy of the bill. She did. Ten minutes later, he called back. His tone had completely changed. He told her not to pay anything yet. Then he asked whether she'd noticed a second meter cupboard in the hallway. She hadn't. He said the building had been converted from one large house into several flats years earlier. Apparently, some of the electrical meters had never been properly reassigned after the conversion. That meant tenants might have been paying for electricity used by other apartments. She asked why nobody had noticed. The landlord said the utility company had always handled the billing. That answer didn't satisfy her. She asked for the previous bills. He refused...