"For stays of up to three months your passport should be valid for the proposed duration of your stay; you do not need any additional period of validity on your passport beyond this."
The other EU countries I checked all say the same thing.
Had the same concern with MiniGB as her passport expired 3 weeks after the end of a (French) ski-trip. In the end I renewed it (it took less than a week without even paying for the express service).
Example FCO guidance for Germany:-
https://www.gov.uk/foreign-travel-advice/germany/entry-requirements
"For stays of up to three months your passport should be valid for the proposed duration of your stay; you do not need any additional period of validity on your passport beyond this."
The other EU countries I checked all say the same thing.
Had the same concern with MiniGB as her passport expired 3 weeks after the end of a (French) ski-trip. In the end I renewed it (it took less than a week without even paying for the express service).