This is a problem in my company as well,
If we are heavy and Vapp is relatively high , there is no problem reducing from 160kt but if we are light and Vapp is relativel low like 125-130kts , there is no way to be stable at 1000ft.
What i do is
180kt ( CONF 2)
at 6 miles Gear Down
Speed Selected 160kt
Flaps 3 and Full
at 4 miles , managed speed .
It bearly comes to a stable approach with the speed , and engines are spooled up.