The mill and its surroundings feature extant machinery, as well as notable populations of adders and wood cranesbill.

[9][3] Artefacts from the excavations included a 17th-century yellowware pancheon bowl, a Sankey flowerpot, two shards of 18th-century green glass, an early 20th-century pocket-watch and a blue poison bottle inscribed "NOT TO BE TAKEN" from the wheel pit.

[3] There were 149 bottles or fragments of glass excavated from the site, representing brands such as Gartons HP Sauce, Bovril, Kidderminster Brewery, White Horse Distillers, Watville Dairies and Venos cough medicine.

[3] Since 1982, climatological measurements have been made at Knowles Mill and have been recorded and analysed at the University of Birmingham.

[14] The area surrounding the mill is notable for its adder populations,[14] and for the presence of wood cranesbill.