For England, you will need a Type G adapter for your electronic devices.
For Australia, you will need a Type I power adapter.
For Brazil, you will need a Type N power adapter.
For Chile, you will need a Type L power adapter.
Yes! you need to use a power adapter as well a plug adapter in Egypt from the UK.
Check your laptops power adapter to see if it will handle both 240v(UK) and 110v(US) if it can handle 240v (which I believe most can) then all you need is a UK plug adapter.
For the UK, you will need a Type G plug adapter.
To use electronic devices in the UK, you will need a Type G adapter.
For Argentina, you will need a Type C or Type I plug adapter.
As far as I know, you will need an outlet adapter because the outlets in England are different than in America.
For Indonesia, you will need a Type C or Type F plug adapter.
You will need a Type C or Type F power adapter for Iceland.
your need a xbox adapter from game for around £40