The Hood Trilogy features examples of the following:

Author Avatar: Trife in Kidulthood and Sam in the sequels.
Batter Up!: In every film Sam Peele picks up a bat, and he uses it to kill Trife in KiDULTHOOD. Subverted though considering he mostly uses it to intimidate.
Byronic Hero: Sam Peel is a flawed individual with serious anger issues, a background he’s trying to avoid and a lot to atone for. All of this is balanced by his large capacity for goodness and his firm refusal to kill.
Cult Classic: There are many fans of the trilogy in the UK especially if the first two entries as they were made during a time when there weren’t many films in Britain that tackled the genre.
Hood Film: Trope Codifier for the UK exploring themes, one of the first films in Britain to explore themes such as: urban culture, the effects of drug addiction, teenage criminality and gangs.

Jerk with a Heart of Gold: Most of the protagonists, most of the time they are committing crimes or not being very nice. Deep down however they are actually genuinely good people who are simply flawed and products of their environment.
Lower-Class Lout: A few characters, of particular note: Jay, Omen and Poppy.
Sequel Escalation: Each entry gets bigger and bolder in violence, characters, story length, and general appeal.
Tooka Level In Badass: Jay takes a major one between Kidulthood and Adulthood. In the first film, Sam easily overpowers him while fighting Trife and Moony at the same time. In the second film, Jay fights Sam to a standstill.
The Yardies: Arch-villain Curtis.