What are chances to get new before the expiration date? Maybe someone had experience recently? How long it takes and is it worth to apply for Premium Service £500? Would be very nice to hear opinion of ksanda24 
I'm here
. You won't get the visa before your current one expires, because the standard processing time is 8 weeks, although someone here on the forum has been waiting since June or July for theirs, I believe.
However, it's not an issue if it isn't processed before the current one expires... the only thing that matters is that you apply before the expiry date of the visa. As long as you have applied before that date, your current immigration status is extended while the visa is processing.
If you can afford the £500 to do it in person, you should get a same-day decision, and your BRP card will be mailed within a few days. However, if you don't urgently need your passport and can be without it for 2-3 months, then save the £500 and apply by post.
Problem is, that I only recently got a good job and don't want to loose it because of waiting for next issued residency permit. Would I still have a right to work if I applied for the extension of residency, but wouldn't get it in time? Probably not 
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As mentioned, your current visa is extended while the application is processing, even if it expires, so it won't affect your right to work.
If your employer is concerned about your immigration status and whether you can work, they can check it here:
https://www.gov.uk/employee-immigration-employment-statusI have Biometrical Residency Permit as a spouse. It is 30 months (2.5 years) and I believed I applied on FLR(M) form previously. I arrived in the UK on fiancee visa October 2013, got my Residency permit on 1st of May 2014 ( which expires on 1st of November 2016).
Is it right that I will apply with FLR(M) again or should I apply actually with SET (M)? That is very confusing on Home Office page, even for my British husband.
Yes, that's correct - you apply for FLR(M) again, which is the exact same visa as you did before.
The only differences between your previous application and this one are:
- you now need to show 2 years of official correspondence addressed to both of you at the same address, spread evenly over the 2 years(details are on the FLR(M) form)
- you now have to pay a £500 NHS surcharge towards your healthcare costs. This is on top of the £811 FLR(M) fee, so you will pay £1,311 in total (plus the £500 if you apply in person). The NHS surcharge is mandatory and your application will not be processed unless you have paid it.
When you have spent 5 years on FLR(M) visa (two 30-month visas), you can apply for ILR using form SET(M).
