It's not what you asked, but there are 2 groups that rotate asian women between different places in the uk and that have a house in leamington spa. I visited them both a few times, one always had good looking women in the age range you are interested in, the other one I walked out of every time: ugly, old women. They change their AW and vivastreet profile all the time so I don't know which is which.
External Link/Members OnlyExternal Link/Members OnlyExternal Link/Members Only(if anyone looking for info is reading this more than a month after I posted it, the links are probably no longer relevant
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If you are interested, call the numbers here and ask where you should go. If the address is on High street/Radford road, don't go, that's the bad place. The good girls are in Chapel street/Russel terrace. Prices are 70 for half an hour, 120 for an hour (or at least they were when I was last there)
I also visited a place that had EE girls (it was opposite an irish pub) but I wouldn't recommend it.
Edit: and as others have said, Warwick is super close, you could literally walk there.