Quote Originally Posted by bigtilly View Post
I retire in about 4 weeks and my UK state pension + 2 occupational pensions will take me over the age related personal allowance by around £1200. I have no idea how much tax I would have to pay on that amount.

But, if I obtain a TIN from the BIR (who they?) and send that to HMRC I won't have to pay tax in the UK. Sounds OK to me!
BIR= Bureau of Internal Revenue (Tax Office)

As said, depends who the pensions are with.
You'll need to prove residency also. Not tourist status.
13a