Much work has already been published on the prisoner records:
Harrison Scott Baker II, American Prisoners of War: held at Halifax during the War of 1812. 2 volumes ( Maryland: Heritage Books Inc., 2005)

Another two volumes covering Barbados, New Providence and Newfoundland and Bermuda, Cape of Good Hope and Jamaica were published in 2007.

The amount of work and dedication which has been employed in compiling these volumes can’t be over estimated and they stand as a memorial to their author.
They were all published on behalf of the Society of the War of 1812 12 Ohio of which the author was President 1996-1999.

Sample page from Halifax volume.
uk map
The records of those held in the UK has been compiled by the late Ira Dye, who deserves no less praise, unfortunately his work still remains in the form of a computer printout held in the National archives at Kew, London. He has covered Dartmoor, Chatham, Stapleton, Plymouth and Portsmouth. They are available her in the form of pdf of the originals and in some case accompanied by Death cerificates. I recommend that you start with Dartmoor, the largest, and easiest to read.
Prisoners of war were held in two types of prisons, the hulks which were the hulls of ships converted into prisons or land based prisons such as Dartmoor.
The records of those held in the UK has been compiled by the late Ira Dye, who deserves no less praise, unfortunately his work still remains in the form of a computer printout held in the National archives at Kew, London.


He has covered Dartmoor, Chatham, Stapleton, Plymouth and Portsmouth. They are available her in the form of pdf of the originals and in some case accompanied by Death cerificates. I recommend that you start with Dartmoor, the largest, and easiest to read.
Some of those held out with the UK are given below.

A concise view of the prison system is given in Prisoners of War and British Port Communities 1793-1815 pdf or for those wanting more information there is Prisoners of War in Britain 1756-1815 27mb.

An interesting document published by the US gives a contemporary account on the problems and conditions of prisoner exchanges including a list giving proof of American citizenship.
A more intimate picture can be found through the letters from and to prisoners and along with subsidiary material make interesting reading


Quebec


Gibraltar

Malta