If the house is lived in for more than 1 year, it is classed as your principle residence, resulting in no capital gains tax to pay if sold. An additional bonus is that you can claim VAT back at the end of the build. All resulting in a very large reward for possibly very little work. Environmental, many self-builders see it as opportunity to be more environmentally friendly. House design can incorporate many environmentally friendly features that many commercial developers overlook.
Houses can be super insulated to reduce heating, water used for washing etc.
Not only do these features help save the planet they also save money. Personal preferences and details can be incorporated into the house from the very start, resulting in a building that is as individual as the person who lives in it. It is also worth mentioning that self-built houses are almost invariably built to a higher standard than commercially built houses. This site was built with the NetObjects Fusion 4.0 Trial.