|Ordered||5 Jun 1941|
|Laid down||21 Jun 1943||F. Krupp Germaniawerft AG, Kiel (werk 691)|
|Launched||20 Apr 1944|
|Commissioned||20 May 1944||Oblt. Günther Lüth|
|Successes||No ships sunk or damaged|
Surrendered on 9 May 1945 at Bergen, Norway (Waller & Niestlé, 2010).
Transferred to Loch Ryan, Scotland on 2 June 1945.
Post war information (see more post-war boats):
This boat was fitted with a Schnorchel underwater-breathing apparatus and sailed equipped with it in April 1945 but it was of course installed prior to that date.
Men lost from U-boats
Unlike many other U-boats, which during their service lost men due to accidents and various other causes, U-1057 did not suffer any casualties (we know of) until the time of her loss.