Do you check Zoopla's website?

GLOBAL TRAFFIC RANKING

In the last 3 months, both PrimeLocation and Zoopla have had impressive growth in global site reach. 

  Source:   Alexa.com, average % change in global reach, 19.06.16-19.09.16.

Source: Alexa.com, average % change in global reach, 19.06.16-19.09.16.