Port Lane Field was an arable field of about two acres, part of Miles Grove, situated on the west side of Port Lane. In the Tithe Award it was measured at 2 acres and 7 perches; described on the OS map as 1.993 acres.

In the mid-18th century, the entire of Miles Grove was held by John Goreing. John Goreing died in 1755 and left Miles Grove to his daughter Elizabeth, then the wife of James Collyer.

Elizabeth Collyer, died in 1759/60 and in her will left Miles Grove to her 11 year old daughter, also Elizabeth. Elizabeth later married Richard Piercy. In 1778, Miles Grove passed to Sarah Collyer under the terms of a trust. In 1800, under the same trust, Miles Grove passed to James Piercy, the surviving son of Richard & Elizabeth.

James Piercy immediately sold Miles Grove (and several other plots of land) to James Living. In 1801, James Living sold Miles Grove in several pieces. That part of Miles Grove later to be known by the name of Port Lane Field was sold to William Walker.

Port Lane Field is now covered by the houses of Port Way.