A raft of changes affecting the money in your pocket are coming into force in April, with many starting tomorrow. Council tax and water are just two of the household bills which will rise, while mobile phone and broadband contracts are also going up, along with the price of a pint. And a change to Premium Bonds means your chances of winning a prize will fall. Money blog: Follow latest It's not bad news for everyone, though. Pensions and benefits are increasing, and your energy bill might fall.