Several other stoneware potteries also operated in Lambeth between the mid-18th & 19th centuries, including James Stiff and Sons and Stephen Green's Imperial pottery. The former having started his pottery career at Doulton in 1830, before opening his own factory in 1843.[32][33]
Except for its use by a few studio potters, the process is obsolete. Before its demise, in the face of environmental clean air restrictions, it was last used in the production of salt-glazed sewer-pipes.[34][35][36] The only commercial pottery in the UK currently licenced to produce salt glaze pottery is Errington Reay at Bardon Mill in Northumberland which was founded in 1878.