And not just pay.
We already had a housing crisis before the influx. Now the poorest have to compete for housing as demand for an utterly inadequate supply pushes up rents to unaffordable levels.
The three parties just told them they must be racists to object.

Also other services. I remember Steve complaining his health centre was "over-run" and his local schools "bursting at the seams" because if incomers if not immigrants.