Why dose my British Passport not get stamped at Heathrow?
It will not get stamped at Heathrow and at all other airports of the European Union if you hold a British EU passport. Travel rules for EU citizens travelling within the European Union: Immigration officers may not: • require you to present an identity card with machine readable zone, a recent model of identity card or a passport with validity at least another 3 months … if the identity card or passport is valid, that is all you need; • ask you to produce any documents other than a valid identity card or passport, such as to furnish proof of means to support yourself, travel tickets, employment certificate, pay slips, bank statements, proof of accommodation, means of subsistence, medical certificate … • ask you how much money you have to spend; • ask you questions regarding the purpose and duration of your trip; • affix an ■ entry stamp ■ on your identity document or passport on arrival authorising you to enter the national territory Source(s):