Apart from the fact that some countries don't allow dual citizenships so you would loose the other one:
- cost: ~2k
- time: 2 exams
- paperwork required to keep other nationalities in some cases
- after feb 2026, you can only re-enter the UK with a British passport (more cost) or with extra paperwork to enable your other passport (more costs ~500)
- cost: ~2k
- time: 2 exams
- paperwork required to keep other nationalities in some cases
- after feb 2026, you can only re-enter the UK with a British passport (more cost) or with extra paperwork to enable your other passport (more costs ~500)