Penfold, 21, has been on the fringes of the first team at The Progression Solicitors Stadium, and joins the Pitching In Northern Premier League Premier Division side until January.
After an eight-year spell in the Peterborough United academy, he made his first-team debut during an EFL Trophy game against Norwich City.
Following Peterborough, he signed an initial two-year deal with Barrow on 15 May 2019.
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