He remained at St Peter's for two years after the Restoration (1660), but was then removed in the Great Ejection, under the terms of the Act of Uniformity 1662, which forbade Presbyterianism within the Church of England.
Barret and his old associate John Whitlock of St Mary's Church, Nottingham were summoned by the archdeacon and ordered to use the Book of Common Prayer and wear a surplice, which they refused to do.
After preaching in some malt rooms in Long Row, Nottingham, he escaped arrest only by borrowing the clothes of a "Mr Bartley, a gentleman, one of his hearers, who was very like him in stature and features.
[3] There were limited possibilities for opening conventicles after 1664, although the Five Mile Act 1665 may have been the reason why he moved to Sandiacre, Derbyshire when he was married in that year to Elizabeth, whose family background is not known.
The latter called at length for full and proper obedience to God's law, but underlined that penitents should be received back into fellowship wholeheartedly.
Being a small legacy of a dying minister to a beloved people (1713) and Reliquiæ Barretteanæ, or select sermons on sundry practical subjects (Nottingham, 1714).