The British are said to be reserved in manners,

The British are said to be reserved in manners, dress and speech. We are famous for our politeness, self-discipline and especially for our sense of humour. Basic politeness (please, thank-you, excuse me) is expected.

How to greet someone English etiquette
British people are quite reserved when greeting one another. Greeting can be a bright 'Hello' 'Hi' or 'Good morning', when you arrive at work or at school.

Eating
We eat continental style, with fork in the left hand and the knife in the right

Visiting people in their houses
When being entertained at someone's home it is nice to take a gift for the host and hostess. A bottle of wine, bunch of flowers or chocolates are all acceptable.

Sending a thank you note is also considered appropriate.

Terms of Endearment - Names we may call you
You may be called by many different 'affectionate' names, according to which part of the

Britain

you are in. Do not be offended, this is quite normal. For example, you may be called dear, dearie, flower, love, chick, chuck, me duck, me duckie, mate, guv, son, ma'am, madam, miss, sir, or treacle, according to your sex, age and location.