Bromfield’s family came from Essex, but his father, Thomas, settled in Southwark, becoming one of the alderman’s deputies by 1594. Thomas was a merchant, successful enough to purchase an estate in Sussex in 1596, to which he retired in about 1601,
Bromfield succeeded William Mayhew* as vestryman in 1614, and seven years later was returned for Southwark to the third Jacobean Parliament. He is only mentioned once in the surviving parliamentary records, on 17 May 1621, when he was named to consider a bill to reverse a decree procured by one Francis Verzelyne in a Chancery suit concerning the will of Verzelyne’s father.
In 1624 the Southwark election was contested by Francis Myngaye and the sheriff returned two indentures, one naming Bromfield and the other Myngaye. Bromfield offered to relinquish the seat to his rival, but on 2 Mar. the Commons ruled that this was not in his power and a fresh election was ordered, at which he was elected, apparently without opposition.
In 1625 Bromfield joined with his brother-in-law and fellow-vestryman, the soap-maker Thomas Overman, in the purchase of Montagu House with all Viscount Montagu’s messuages, wharves and ground ‘in the close of St. Mary Overies between the middle gate of the close and the outer gate next unto Southwark’. He immediately began to develop the property, pulling down all the ‘mean cottages and habitations’ and erecting houses ‘fit for men of better ability’, including himself.
Bromfield had been summoned before the Privy Council in January 1622 for failing to contribute to the Palatinate Benevolence but was persuaded to contribute £43 16s. 9d. the following July. He was assessed at £20 for the 1625-6 Privy Seal loan.
In the 1634 herald’s visitation of London, Bromfield was described as one of the two examiners in Star Chamber, but it is not known when he was appointed to this office. He was among the chief inhabitants of St. Saviour’s who helped to prepare the Ship Money assessment of 1635. Bromfield himself was still living in Southwark in 1639, but appears to have moved to Essex soon afterwards.
