How can we determine when our UK passports are about to expire after receiving them from the embassy/consulate?

How can we determine when our UK passports are about to expire after receiving them from the embassy/consulate? Here are some ways to determine when your UK passport is due to expire ¹: - Adult passports are normally valid for 10 years - Child passports are normally valid for 5 years - Check the expiration date of your previous passport, if your name, birth date, place of birth, gender and nationality have not changed since your previous passport - Contact the UK embassy or consulate where you submitted your application, or where your passport was issued - Contact the UK government's passport services, or visit their website for guidance on checking the status of your passport.