Most of the UK banks are represented in Gibraltar.
Gibraltar is one hour ahead.
No
Gibraltar is a peninsula in southern Spain but is a UK Overseas Territory.
Gibraltar is a self governing Overseas Territory of the UK.
The driving distance from Gibraltar to Dover, UK is 1,419.04mi / 2283.72km
Clydesdale Banks are located in most cities in Scotland, Ireland, and England. They are a very popular bank un the UK, and their branches and ATMs are very easy to find there.
No, the UK does not share a border with Spain. However Gibraltar does share a border with Spain, Gibraltar is under the sovereignty and jurisdiction of the UK but not part of the UK, it is a British Overseas Territory.
From Gibraltar to a London area airports (Stansted, Gatwick, Heathrow and Luton) takes on average 2 hours, 41 minutes
Four countries (5 by territories) are located on the Iberian Peninsula. They include Portugal, Spain, Andorra, and France. (the UK is also on the peninsula through Gibraltar, a British territory)
The Gibraltar Pound (GIP) is pegged at par with the British Pound Sterling (GBP) and the Gibraltar decimal coinage is identical in dimensions and composition to the equivalent British coins, being struck on the same blanks. Gibraltar currency is "legal tender" only in Gibraltar.
In theory you can but in practice, it is nearly impossible. Similarly, it is difficult to use Northern Irish and Scottish notes outside of their countries. Your best bet is to exchange them for bank of England notes in any of the banks along Main Street before you leave.
Gibraltar is a self governing Overseas Territory of the UK.