Wattage is an important consideration because motor power alone does not guarantee better suction: it depends on the overall design of the unit. If a vacuum cleaner has a high wattage, the motor is more powerful.
If you have a large house to vacuum, or would like to vacuum the stairs in one go, make sure your new vacuum has enough hose and lead length. It's rather frustrating when your vacuum won't quite reach into the corner and you have to go back to the power point and replug into another one.
With so many upright vacuum cleaners to choose from, you're not alone if you don't know where to start when it comes to choosing your next vacuum cleaner. By considering and keeping in mind the following main features however, you should find the decision a little easier.