We live over seas and my passport expires in Sept this year, we intend travelling to the UK in July and I want to renew it there as it will be cheaper to do the 1 day service than to send it to Dusseldorf which is where they now process UK passports from over seas!!! (and no, we don't leave in Germany or Europe for that matter
) our host country no longer offers passport renewal service.
The question is, how long should I have left on my passport to enter the UK?? I know when I travel to the US for instance that you have to have at least 6 months left on your pp. Have just tried the passport office in the UK and the chap that answered the phone didn't know 
Oh wise mumsnetters please help, thank you