From an employers point of view the best length to make a CV is no more than two pages. Some employers can receive over a hundred applications per vacancy so you want to make their job as easy as possible by cutting out the padding and bullet pointing the important facts. Avoid going into huge amounts of detail on irrelevant points, for example - only give descriptions on relevant work experience and either leave out or list other work experience under another small section. If you feel that there are some more text heavy points you would like to make, use your covering letter to get them across. Another space saving idea is to replace your references section with the simple text 'Excellent references available on request'.
