Mess. Here's some crimes that do have a maximum sentence of 10 years in the UK:
Possession of firearm with intent to cause fear of violence
Possessing or distributing prohibited weapon or ammunition (5 year minimum sentence)
Riot
Making threats to kill
Administering poison etc. so as to endanger life
Cruelty to persons under 16
Possession of firearm without certificate
Possession or acquisition of shotgun without certificate
Indecent assault on a woman
Indecent assault on a man
Engaging in sexual activity in the presence of a child
Causing a child to watch a sexual act
Meeting child following sexual grooming
Administering a substance with intent
Committing offence with intent to commit sexual offence
Trespass with intent to commit sexual offence
Creulty to children
Burglary with intent to inflict GBH on a person or do unlawful damage to a building or anything in it (non-dwelling)
Burglary with intent to commit rape (non-dwelling)
Burglary (non-domestic)
Fraud by false representation
Indecency with children under 14
Taking, having etc. indecent photographs of children
Assault with intent to commit buggery
Sexual assault
Causing a person to engage in sexual activity without consent
Engaging in sexual activity in the presence of a person with a mental disorder impeding choice
Causing a person with a mental disorder impeding choice to watch a sexual act
Engaging in sexual activity in the presence, procured by inducement, threat or deception, of a person with a mental disorder
Causing a person with a mental disorder to watch a sexual act by inducement, threat or deception
Care workers: sexual activity with a person with a mental disorder
Care workers: inciting person with mental disorder to engage in sexual act
Source:
http://www.thelawpages.com/court-cases/maximums.php
