Will a temporary civil service post affect my reserve list status?

[HaveYouHadYourBreak]

TDLR I'm on the civil service reserve list. If I take a temp version of the job I applied for, will that stop them giving me perm version if one comes up?
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Apologies for using AIBU but jobs is really quiet.

Last week I was placed on the reserve list for a permanent customer service operative in the civil service. It's for a year. They said I was at the top of the list.

This morning they offered me a 12 month temporary contract doing that job. They said they only had the budget for 12months. I hate my current job so I'm tempted but it means I could be jobless this time next year.

I know that someone doing the same job permanently is retiring this year and they'll want to backfill the post. It's exactly the same job I applied for. My source for this info is very, very reliable.

My question is if I take the temp post am I removing myself from the reserve list which means I wont be offered the perm post? Or will they be fair and offer me the perm post because that is what I applied for?

I asked and they wouldnt give me a straight answer. I couldnt tell them I knew someone was retiring and they couldnt tell me future plans for the team.

Does anyone have any experience?

Would I be better, declining the temp job (anf telling them I'll take it if a perm one comes up) and waiting to see if the perm comes up? Or should I take the temp and then they'll move me to perm when possible?

No guarantees either way so I'd personally take the temp role. I worked in civil service until about 3yrs ago now in an adjacent public sector role, it's very common to backfill permanent posts with temp contracts so when that person retires they may well not be backfilled at all or be backfilled with another temp contract.

Take the temp post. You can ask first but it shouldn’t affect your place on the reserve for the permanent one.
i just accepted a permanent promotion but i am still on the reserve list for a different role.

100 percent take the post. Fixed term contracts are so normal and it will be much better to move that role to permanent than to bring someone new in. I’m currently on my 3rd concurrent 12 month Fixed term contract