ERS Environmental Services specialise in the ERADICATION of Japanese Knotweed, with 18 years experience we have developed a unique treatment guaranteed to eradicate Japanese Knotweed in one growing season, the ERS Fast Acting Stem Treatment (FAST) enables us to eradicate Japanese Knotweed in situ allowing development to continue. We are the only company who Operates this particular system and we can supply references,. We work in the construction industry, commercial and domestic and can fit in With all budgets.