Thanks for the reply!

I should be ok with the airlines as I normally don't have to show my BRP - my name on the ticket will match the passport.

I was more concerned about whether the UK border agency would give me hassle because the names aren't identical between the passport and BRP.

Hi there: I have Indefinite Leave to Remain and I originally used a double-barrelled my name on my biometric residence permit. However, I am now divorced and just have changed the name on my passport back to my non-double-barrelled name. My travel plans are happening before I have time to change my ...