Civil Service Interview - how long to hear back?

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I had interviews last week for two different CS SEO roles. The interviews went OK, but they were quite vague as to how long it would take to hear back from them.

I've also applied for a third CS SEO role which closed this week. Out of the three roles this is the least appealing.

How long is normal to wait to hear back following a CS interview? Am I being optimistic in hoping that I will hear back from the interviews before I hear from the third application whether I've been invited to interview?

I applied for cs role EO level last month and it took 3 1/2 weeks to hear back.

Last year when I applied for went for an AO post and it took 6 weeks to hear back.

Thanks @easylikeasundaymorning . That is a long time. Am beginning to think I'm too impatient for the CS!

Was there a timeline in the advert? Sometimes with Civil Service adverts they specify when sift will be, when interview will be, when you should expect to hear back etc. Probably because they tend to take so much longer than private sector do.

Could be weeks or months tbh