what year is your civic. It sounds to me like your not from america. Here in america, as far as I know, we do not currently offer the civic ES.
If yours is an EP3 chassis, it will basicly bolt up. You will need new d-brakets, new bushings, and if your car does not already come with a rear swaybar, LCA's (possibly if yours do not already come with a hole for the endlinks) and endlinks