Houses of Parliament
Media playback is unsupported on your device
Video

Election 2015: What does it mean to dissolve Parliament - in 15 seconds

Dissolving Parliament means the end of Parliament before a general election. A new Parliament is elected every five years, but it is possible for an earlier general election to be held.

Parliament is usually dissolved 25 working days before a general election.

BBC Election on Instagram: instagram.com/bbcelection

Go to next video: Natalie Bennett in 15 seconds