Henry of Bolingbroke inherited the Lancaster estates from John of Gaunt and became king as Henry IV in 1399, after which Ingoldmells was treated as Crown property.

The manor became merged in the Crown rather than remaining a separate private Lancaster holding.

Research sources:
- W. O. Massingberd, Court Rolls of the Manor of Ingoldmells in the County of Lincoln, 1902, Introduction, p. xiv. — https://en.wikisource.org/wiki/Court_Rolls_of_the_Manor_of_Ingoldmells_in_the_County_of_Lincoln/Introduction
- Wikipedia biographical reference — https://en.wikipedia.org/wiki/Henry_IV_of_England