Many small business start life from home - depending upon the business, it is relatively quick, easy and cheap. When you run a business and use your own home for running the business from, you are entitled to make a claim for tax relief on a proportion of the running costs.
Usually, there are a couple of factors that determine how much you can claim:
Therefore, in general terms, the higher your household running costs, the higher your claim for use of home.
NB if you run your business through a limited company, the approach is slightly different, in that the director is effectively renting part of his home to the company.
Please see here for more information and detailed examples.