Travel.mapsofworld.com gives useful information on United Kingdom Visa Information

United Kingdom visa information states that visa here is granted on certain conditions. There are nationals of some countries who do not require visa to enter United Kingdom. The list of countries whose nationals require visa are: Afghanistan, Albania, Algeria, Angola, Bahrain, Bangladesh, Benin, Bhutan, Bosnia-Herzegovina, Bulgaria, Burkina Faso, Burundi, Cambodia, Cameroon, Cape Verde, Central African Republic, Chad, China (PR), CIS, Colombia, Comoros, Congo (Dem. Rep.), Congo (Rep. of), Côte d'Ivoire, Croatia, Cuba, Djibouti, Dominican Republic, Ecuador, Egypt, Equatorial Guinea, Eritrea, Ethiopia, Fiji, Former Yugoslav Republic of Macedonia, Gabon, Gambia, Ghana, Guinea, Guinea-Bissau, Guyana, Haiti, India, Indonesia, Iran, Iraq, Jordan, Kenya, Korea (DPR), Kuwait, Laos, Lebanon, Liberia, Libya, Madagascar, Maldives, Mali, Mauritania, Mauritius, Mongolia, Morocco, Mozambique, Myanmar, Nepal, Niger, Nigeria, Oman, Pakistan, Papua New Guinea, Peru, Philippines, Qatar, Romania, Rwanda, São Tomé e Príncipe, Saudi Arabia, Senegal, Sierra Leone, Slovak Republic, Slovenia, Somalia, Sri Lanka, Sudan, Surinam, Syria, Taiwan, Tanzania, Thailand, Togo, Tunisia, Turkey, Uganda, United Arab Emirates, Vietnam, Yemen, Yugoslavia (Serbia and Montenegro) and Zambia. Except these countries the nationals of other countries do not require visa for United Kingdom tours. To get visa a passport valid for a minimum period of 6 months beyond the date of departure is necessary. Nationals of EU countries who have a valid national ID card for tourist visit not surpassing a period of 3 months may not require passport . At the same time people of Iceland, Liechtenstein, Monaco, Norway and Switzerland who have a valid national ID card for tourist or social visit not surpassing 6 months and have British visitor's Card obtained from travel agencies may not require passport.

United Kingdom Visa Information is helpful in getting information regarding required documents for getting visa for United Kingdom tour. A valid passport , 2 passport-size photographs and fee should accompany the application for visa.About the duration of time required for issuing visa United Kingdom Visa Information conveys this information that it depends on applicant's nationality. However, the applications made to the Home office may take a minimum period of 6 months. United Kingdom Visa Information has this important information that for a travel between UK and Ireland, Northern Ireland, the Channel Islands or the Isle of Man a passport is not required. Those who are transiting UK for Ireland should better have return ticket to avoid any sort of interrogation.For any further information it is advised to contact Embassy of Great Britain(US), Embassy of Great Britain(Brazil) and British Consulate General(China).