Several of these tree pipes have fairly recently been unearthed in New Conduit Street dated early 19th century. Later Kettlemill was used as a coal-fired electricity plant but was eventually demolished to make way for the offices of the Local Drainage Board.
The unearthing of several tree pipes at New Conduit Street reveals their origins in the early 19th century. Kettlemill was subsequently used as a coal-fired electricity facility before being cleared to make way for the Local Drainage Board's office building.